今日见闻
今日重要的三件事
记录
flutter upgrade 的log记录
[flutter] flutter upgrade
Upgrading Flutter from /Users/panda8z/flutter...
From https://github.com/flutter/flutter
5391447fa..8661d8aec stable -> origin/stable
5391447fa..8661d8aec beta -> origin/beta
5391447fa..e5b1ed7a7 dev -> origin/dev
+ af09490e1...40c4925a5 gallery -> origin/gallery (forced update)
a226c0f0d..1fa1e1a17 master -> origin/master
* [new branch] revert-29010-re_enable_dart2js -> origin/revert-29010-re_enable_dart2js
* [new tag] v1.2.1 -> v1.2.1
* [new tag] v1.3.8 -> v1.3.8
* [new tag] v1.1.0 -> v1.1.0
* [new tag] v1.1.1 -> v1.1.1
* [new tag] v1.1.2 -> v1.1.2
* [new tag] v1.1.3 -> v1.1.3
* [new tag] v1.1.4 -> v1.1.4
* [new tag] v1.1.5 -> v1.1.5
* [new tag] v1.1.6 -> v1.1.6
* [new tag] v1.1.7 -> v1.1.7
* [new tag] v1.1.8 -> v1.1.8
* [new tag] v1.1.9 -> v1.1.9
* [new tag] v1.2.0 -> v1.2.0
* [new tag] v1.2.2 -> v1.2.2
* [new tag] v1.3.0 -> v1.3.0
* [new tag] v1.3.1 -> v1.3.1
* [new tag] v1.3.2 -> v1.3.2
* [new tag] v1.3.3 -> v1.3.3
* [new tag] v1.3.4 -> v1.3.4
* [new tag] v1.3.5 -> v1.3.5
* [new tag] v1.3.6 -> v1.3.6
* [new tag] v1.3.7 -> v1.3.7
Updating 5391447fa..8661d8aec
.../app/src/main/res/mipmap-hdpi/ic_launcher.png | Bin 0 -> 544 bytes
.../app/src/main/res/mipmap-mdpi/ic_launcher.png | Bin 0 -> 442 bytes
.../app/src/main/res/mipmap-xhdpi/ic_launcher.png | Bin 0 -> 721 bytes
.../app/src/main/res/mipmap-xxhdpi/ic_launcher.png | Bin 0 -> 1031 bytes
.../src/main/res/mipmap-xxxhdpi/ic_launcher.png | Bin 0 -> 1443 bytes
.../AppIcon.appiconset/[email protected] | Bin 0 -> 11112 bytes
.../AppIcon.appiconset/[email protected] | Bin 0 -> 564 bytes
.../AppIcon.appiconset/[email protected] | Bin 0 -> 1283 bytes
.../AppIcon.appiconset/[email protected] | Bin 0 -> 1588 bytes
.../AppIcon.appiconset/[email protected] | Bin 0 -> 1025 bytes
.../AppIcon.appiconset/[email protected] | Bin 0 -> 1716 bytes
.../AppIcon.appiconset/[email protected] | Bin 0 -> 1920 bytes
.../AppIcon.appiconset/[email protected] | Bin 0 -> 1283 bytes
.../AppIcon.appiconset/[email protected] | Bin 0 -> 1895 bytes
.../AppIcon.appiconset/[email protected] | Bin 0 -> 2665 bytes
.../AppIcon.appiconset/[email protected] | Bin 0 -> 2665 bytes
.../AppIcon.appiconset/[email protected] | Bin 0 -> 3831 bytes
.../AppIcon.appiconset/[email protected] | Bin 0 -> 1888 bytes
.../AppIcon.appiconset/[email protected] | Bin 0 -> 3294 bytes
.../AppIcon.appiconset/[email protected] | Bin 0 -> 3612 bytes
.../LaunchImage.imageset/LaunchImage.png | Bin 0 -> 68 bytes
.../LaunchImage.imageset/[email protected] | Bin 0 -> 68 bytes
.../LaunchImage.imageset/[email protected] | Bin 0 -> 68 bytes
1032 files changed, 59994 insertions(+), 12240 deletions(-)
Upgrading engine...
Downloading Dart SDK from Flutter engine 3757390fa4b00d2d261bfdf5182d2e87c9113ff9...
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
0 71.0M 0 291k 0 0 267k 0 0:04:31 0:00:01 0:04:30 267k
1 71.0M 1 804k 0 0 391k 0 0:03:05 0:00:02 0:03:03 391k
2 71.0M 2 1555k 0 0 428k 0 0:02:49 0:00:03 0:02:46 428k
2 71.0M 2 1556k 0 0 358k 0 0:03:22 0:00:04 0:03:18 358k
2 71.0M 2 2098k 0 0 357k 0 0:03:23 0:00:05 0:03:18 362k
2 71.0M 2 2099k 0 0 315k 0 0:03:50 0:00:06 0:03:44 325k
4 71.0M 4 3037k 0 0 426k 0 0:02:50 0:00:07 0:02:43 440k
5 71.0M 5 4103k 0 0 509k 0 0:02:22 0:00:08 0:02:14 576k
7 71.0M 7 5746k 0 0 634k 0 0:01:54 0:00:09 0:01:45 889k
9 71.0M 9 6851k 0 0 681k 0 0:01:46 0:00:10 0:01:36 1135k
10 71.0M 10 7520k 0 0 680k 0 0:01:46 0:00:11 0:01:35 1231k
11 71.0M 11 8332k 0 0 691k 0 0:01:45 0:00:12 0:01:33 1074k
13 71.0M 13 9799k 0 0 750k 0 0:01:36 0:00:13 0:01:23 1138k
15 71.0M 15 11.3M 0 0 825k 0 0:01:28 0:00:14 0:01:14 1169k
18 71.0M 18 13.0M 0 0 889k 0 0:01:21 0:00:15 0:01:06 1307k
21 71.0M 21 15.0M 0 0 958k 0 0:01:15 0:00:16 0:00:59 1566k
24 71.0M 24 17.2M 0 0 1035k 0 0:01:10 0:00:17 0:00:53 1865k
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28 71.0M 28 20.5M 0 0 1103k 0 0:01:05 0:00:19 0:00:46 1883k
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36 71.0M 36 25.6M 0 0 1093k 0 0:01:06 0:00:24 0:00:42 1057k
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40 71.0M 40 28.6M 0 0 1079k 0 0:01:07 0:00:27 0:00:40 962k
43 71.0M 43 30.5M 0 0 1116k 0 0:01:05 0:00:28 0:00:37 1175k
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45 71.0M 45 32.6M 0 0 1110k 0 0:01:05 0:00:30 0:00:35 1300k
47 71.0M 47 33.4M 0 0 1101k 0 0:01:06 0:00:31 0:00:35 1333k
48 71.0M 48 34.4M 0 0 1099k 0 0:01:06 0:00:32 0:00:34 1210k
49 71.0M 49 35.2M 0 0 1092k 0 0:01:06 0:00:33 0:00:33 958k
50 71.0M 50 35.8M 0 0 1076k 0 0:01:07 0:00:34 0:00:33 796k
51 71.0M 51 36.3M 0 0 1061k 0 0:01:08 0:00:35 0:00:33 767k
51 71.0M 51 36.8M 0 0 1047k 0 0:01:09 0:00:36 0:00:33 708k
52 71.0M 52 37.4M 0 0 1034k 0 0:01:10 0:00:37 0:00:33 621k
53 71.0M 53 37.7M 0 0 1015k 0 0:01:11 0:00:38 0:00:33 510k
53 71.0M 53 38.3M 0 0 1005k 0 0:01:12 0:00:39 0:00:33 518k
54 71.0M 54 38.7M 0 0 989k 0 0:01:13 0:00:40 0:00:33 486k
56 71.0M 56 40.0M 0 0 997k 0 0:01:12 0:00:41 0:00:31 642k
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59 71.0M 59 42.1M 0 0 1002k 0 0:01:12 0:00:43 0:00:29 899k
61 71.0M 61 43.8M 0 0 1019k 0 0:01:11 0:00:44 0:00:27 1126k
63 71.0M 63 45.0M 0 0 1024k 0 0:01:11 0:00:45 0:00:26 1302k
64 71.0M 64 45.5M 0 0 1012k 0 0:01:11 0:00:46 0:00:25 1130k
65 71.0M 65 46.3M 0 0 1007k 0 0:01:12 0:00:47 0:00:25 1082k
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69 71.0M 69 49.6M 0 0 1035k 0 0:01:10 0:00:49 0:00:21 1179k
71 71.0M 71 50.9M 0 0 1042k 0 0:01:09 0:00:50 0:00:19 1206k
73 71.0M 73 52.3M 0 0 1049k 0 0:01:09 0:00:51 0:00:18 1389k
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76 71.0M 76 54.0M 0 0 1044k 0 0:01:09 0:00:53 0:00:16 1249k
77 71.0M 77 55.1M 0 0 1045k 0 0:01:09 0:00:54 0:00:15 1138k
79 71.0M 79 56.4M 0 0 1050k 0 0:01:09 0:00:55 0:00:14 1131k
81 71.0M 81 58.2M 0 0 1064k 0 0:01:08 0:00:56 0:00:12 1214k
83 71.0M 83 59.2M 0 0 1062k 0 0:01:08 0:00:57 0:00:11 1247k
84 71.0M 84 60.0M 0 0 1057k 0 0:01:08 0:00:58 0:00:10 1202k
86 71.0M 86 61.4M 0 0 1064k 0 0:01:08 0:00:59 0:00:09 1278k
87 71.0M 87 62.2M 0 0 1062k 0 0:01:08 0:01:00 0:00:08 1193k
88 71.0M 88 63.0M 0 0 1057k 0 0:01:08 0:01:01 0:00:07 986k
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90 71.0M 90 64.6M 0 0 1050k 0 0:01:09 0:01:03 0:00:06 962k
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97 71.0M 97 69.3M 0 0 1028k 0 0:01:10 0:01:09 0:00:01 767k
98 71.0M 98 69.9M 0 0 1022k 0 0:01:11 0:01:10 0:00:01 712k
99 71.0M 99 70.5M 0 0 1016k 0 0:01:11 0:01:11 --:--:-- 693k
100 71.0M 100 71.0M 0 0 1014k 0 0:01:11 0:01:11 --:--:-- 712k
Building flutter tool...
Flutter assets will be downloaded from https://storage.flutter-io.cn. Make sure you trust this source!
Downloading package sky_engine... 1.1s
Downloading common tools... 29.5s
Downloading darwin-x64 tools... 51.1s
Downloading android-arm-profile/darwin-x64 tools... 4.0s
Downloading android-arm-release/darwin-x64 tools... 1.0s
Downloading android-arm64-profile/darwin-x64 tools... 2.8s
Downloading android-arm64-release/darwin-x64 tools... 3.9s
Downloading android-arm-dynamic-profile/darwin-x64 tools... 5.7s
Downloading android-arm-dynamic-release/darwin-x64 tools... 2.4s
Downloading android-arm64-dynamic-profile/darwin-x64 tools... 4.4s
Downloading android-arm64-dynamic-release/darwin-x64 tools... 2.4s
Downloading android-x86 tools... 13.1s
Downloading android-x64 tools... 11.8s
Downloading android-arm tools... 5.5s
Downloading android-arm-profile tools... 2.5s
Downloading android-arm-release tools... 3.1s
Downloading android-arm64 tools... 8.5s
Downloading android-arm64-profile tools... 5.8s
Downloading android-arm64-release tools... 3.6s
Downloading android-arm-dynamic-profile tools... 4.4s
Downloading android-arm-dynamic-release tools... 3.7s
Downloading android-arm64-dynamic-profile tools... 5.2s
Downloading android-arm64-dynamic-release tools... 5.7s
Downloading ios tools... 27.2s
Downloading ios-profile tools... 18.5s
Downloading ios-release tools... 16.4s
Flutter 1.0.0 • channel stable • https://github.com/flutter/flutter.git
Framework • revision 5391447fae (3 months ago) • 2019-02-14 19:19:53 -0800
Engine • revision 3757390fa4
Tools • Dart 2.1.0 (build 2.1.0-dev.9.4 f9ebf21297)
Running flutter doctor...
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, v1.2.1, on Mac OS X 10.14.3 18D109, locale en-CN)
[✓] Android toolchain - develop for Android devices (Android SDK version 28.0.3)
[✓] iOS toolchain - develop for iOS devices (Xcode 10.1)
[✓] Android Studio (version 3.2)
[✓] IntelliJ IDEA Ultimate Edition (version 2018.2.5)
[✓] VS Code (version 1.32.1)
[!] Connected device
! No devices available
! Doctor found issues in 1 category.
exit code 0
通过VSCode新建Flutter项目的log
[undefined] flutter create .
Waiting for another flutter command to release the startup lock...
Creating project ....
ios/Runner.xcworkspace/contents.xcworkspacedata (created)
ios/Runner/Info.plist (created)
ios/Runner/Assets.xcassets/LaunchImage.imageset/[email protected] (created)
ios/Runner/Assets.xcassets/LaunchImage.imageset/[email protected] (created)
ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md (created)
ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json (created)
ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png (created)
ios/Runner/Assets.xcassets/AppIcon.appiconset/[email protected] (created)
ios/Runner/Assets.xcassets/AppIcon.appiconset/[email protected] (created)
ios/Runner/Assets.xcassets/AppIcon.appiconset/[email protected] (created)
ios/Runner/Assets.xcassets/AppIcon.appiconset/[email protected] (created)
ios/Runner/Assets.xcassets/AppIcon.appiconset/[email protected] (created)
ios/Runner/Assets.xcassets/AppIcon.appiconset/[email protected] (created)
ios/Runner/Assets.xcassets/AppIcon.appiconset/[email protected] (created)
ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json (created)
ios/Runner/Assets.xcassets/AppIcon.appiconset/[email protected] (created)
ios/Runner/Assets.xcassets/AppIcon.appiconset/[email protected] (created)
ios/Runner/Assets.xcassets/AppIcon.appiconset/[email protected] (created)
ios/Runner/Assets.xcassets/AppIcon.appiconset/[email protected] (created)
ios/Runner/Assets.xcassets/AppIcon.appiconset/[email protected] (created)
ios/Runner/Assets.xcassets/AppIcon.appiconset/[email protected] (created)
ios/Runner/Assets.xcassets/AppIcon.appiconset/[email protected] (created)
ios/Runner/Assets.xcassets/AppIcon.appiconset/[email protected] (created)
ios/Runner/Base.lproj/LaunchScreen.storyboard (created)
ios/Runner/Base.lproj/Main.storyboard (created)
ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata (created)
ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme (created)
ios/Flutter/Debug.xcconfig (created)
ios/Flutter/Release.xcconfig (created)
ios/Flutter/AppFrameworkInfo.plist (created)
test/widget_test.dart (created)
panda_first.iml (created)
.gitignore (created)
.metadata (created)
ios/Runner/AppDelegate.h (created)
ios/Runner/main.m (created)
ios/Runner/AppDelegate.m (created)
ios/Runner.xcodeproj/project.pbxproj (created)
android/app/src/profile/AndroidManifest.xml (created)
android/app/src/main/res/mipmap-mdpi/ic_launcher.png (created)
android/app/src/main/res/mipmap-hdpi/ic_launcher.png (created)
android/app/src/main/res/drawable/launch_background.xml (created)
android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png (created)
android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png (created)
android/app/src/main/res/values/styles.xml (created)
android/app/src/main/res/mipmap-xhdpi/ic_launcher.png (created)
android/app/src/main/AndroidManifest.xml (created)
android/app/src/debug/AndroidManifest.xml (created)
android/gradle/wrapper/gradle-wrapper.properties (created)
android/gradle.properties (created)
android/settings.gradle (created)
pubspec.yaml (created)
README.md (created)
lib/main.dart (created)
android/app/build.gradle (created)
android/app/src/main/java/com/example/panda_first/MainActivity.java (created)
android/build.gradle (created)
android/panda_first_android.iml (created)
.idea/runConfigurations/main_dart.xml (created)
.idea/libraries/Flutter_for_Android.xml (created)
.idea/libraries/Dart_SDK.xml (created)
.idea/libraries/KotlinJavaRuntime.xml (created)
.idea/modules.xml (created)
.idea/workspace.xml (created)
Running "flutter packages get" in panda_first... 6.5s
Wrote 66 files.
All done!
[✓] Flutter is fully installed. (Channel stable, v1.2.1, on Mac OS X 10.14.3 18D109, locale en-CN)
[✓] Android toolchain - develop for Android devices is fully installed. (Android SDK version 28.0.3)
[✓] iOS toolchain - develop for iOS devices is fully installed. (Xcode 10.1)
[✓] Android Studio is fully installed. (version 3.2)
[✓] IntelliJ IDEA Ultimate Edition is fully installed. (version 2018.2.5)
[✓] VS Code is fully installed. (version 1.32.1)
[!] Connected device is not available.
Run "flutter doctor" for information about installing additional components.
In order to run your application, type:
$ cd .
$ flutter run
Your application code is in ./lib/main.dart.
exit code 0
code6-1
#include <stdio.h>
int main(void)
{
long num;
long sum = 0;
int status;
printf("Please enter an integer to summed. ");
printf("q to quit): ");
status = scanf("%ld", &num);
while (status == 1)
{
sum = sum + num;
printf("Please enter next integer(q to quit): ");
status = scanf("%ld", &num);
}
printf("Thos integers sum to %ld.\n", sum);
return 0;
}
log6-1
Panda-MBP:CodeList6-1 panda8z$ gcc -o summing.out summing.c
Panda-MBP:CodeList6-1 panda8z$ ./summing.out
Please enter an integer to summed. q to quit): 8
Please enter next integer(q to quit): 09
Please enter next integer(q to quit): 89
Please enter next integer(q to quit): 89
Please enter next integer(q to quit): 89
Please enter next integer(q to quit): 1
Please enter next integer(q to quit): 1
Please enter next integer(q to quit): 2
Please enter next integer(q to quit): 3
Please enter next integer(q to quit): t
Thos integers sum to 291.
Panda-MBP:CodeList6-1 panda8z$
在模拟器上运行Flutter应用
CodeList 6-2 at P
code6-2
#include <stdio.h>
int main(void)
{
int n = 5;
while (n < 7)
{
printf(" n = %d\n", n);
n++;
printf("Now n = %d\n", n);
}
printf("The loop has finished.\n");
return 0;
}
log6-2
bogon:CodeList6-02 panda8z$ gcc -o when.out when.c
bogon:CodeList6-02 panda8z$ ./when.out
n = 5
Now n = 6
n = 6
Now n = 7
The loop has finished.
bogon:CodeList6-02 panda8z$
CodeList 6-3 at P
code6-3
#include <stdio.h>
int main(void)
{
int n = 0;
while(n < 3)
printf("n is %d\n", n);
n++;
printf("That`s all this program does\n");
return 0;
}
log6-3
n is 0
n is 0
n is 0
n is 0
n is 0
[这里省略几千行]
n is 0
n is 0
n is 0
n is 0
n is 0
n is 0
^C //直到手动结束这个程序才得以退出.
bogon:CodeList6-03 panda8z$
CodeList 6-4 at P
code6-4
#include <stdio.h>
int main (void)
{
int n = 0;
while(n++ < 3);
printf("n is %d\n", n);
printf("That`s all this program does.\n");
return 0;
}
log6-4
bogon:CodeList6-04 panda8z$ gcc -o while2.out while2.c
while2.c:7:19: warning: while loop has empty body [-Wempty-body]
while(n++ < 3);
^
while2.c:7:19: note: put the semicolon on a separate line to silence this warning
1 warning generated.
bogon:CodeList6-04 panda8z$ ./while1.out
bash: ./while1.out: No such file or directory
bogon:CodeList6-04 panda8z$ ./while2.out
n is 4
That`s all this program does.
bogon:CodeList6-04 panda8z$
CodeList 6-5 at P
code6-5
#include <stdio.h>
#include <math.h>
int main (void)
{
const double ANWSER = 3.14159;
double response;
pirntf("What`s the value of pi?\n");
scanf("%lf", &response);
while(fabs(response - ANWSER) > 0.0001)
{
printf("Try again!\n");
scanf("%lf", &response);
}
printf("Close enough!\n");
}
log6-5
bogon:CodeList6-05 panda8z$ ./cmpfit.out
What`s the value of pi?
357
Try again!
3.1416
Close enough!
CodeList 6-6 at P
code6-6
#include <stdio.h>
int main(void)
{
int true_val, false_val;
true_val = (10 > 2);
false_val = (10 == 2);
printf("true = %d, false = %d \n", true_val, false_val);
return 0;
}
log6-6
bogon:CodeList6-06 panda8z$ gcc -o t_and_f.out t_and_f.c
bogon:CodeList6-06 panda8z$ ./t_and_f.out
true = 1, false = 0
CodeList 6-7 at P
code6-7
#include <stdio.h>
int main (void)
{
int n = 3;
while(n){
printf("%2d is true\n", n--);
}
printf("%2d is false\n", n);
return 0;
}
log6-7
bogon:CodeList6-07 panda8z$ gcc -o truth.out truth.c
bogon:CodeList6-07 panda8z$ ./truth.out
3 is true
2 is true
1 is true
0 is false
CodeList 6-8 at P
code6-8
#include <stdio.h>
int main(void)
{
long num;
long sum = 0;
int status;
printf("Please enter an integer to bu summed. ");
printf("(q to quit) : ");
status = scanf("%ld", &num);
while(status = 1){
sum = sum + num;
printf("Please enter next integer (q to quit): ");
status = scanf("%ld", &num);
}
printf("Those integer sum to %ld.\n", sum);
return 0;
}
log6-8
惨不忍睹...
CodeList 6-09 at P
code6-09
#include <stdio.h>
int main (void)
{
long num;
long sum = 0L;
_Bool input_is_good;
printf("Please enter an integer to be summed. ");
printf("(q to quit): ");
input_is_good = (scanf("%ld", &num) == 1);
while(input_is_good)
{
sum = sum + num;
printf("Please enter next integer (q to quit): ");
input_is_good = (scanf("%ld", &num) == 1);
}
printf("Those integers sum to %ld.\n", sum);
return 0;
}
log6-09
bogon:CodeList6-09 panda8z$ gcc -o boolean.out boolean.c
bogon:CodeList6-09 panda8z$ ./boolean.out
Please enter an integer to be summed. (q to quit): 23
Please enter next integer (q to quit): 23
Please enter next integer (q to quit): 231
Please enter next integer (q to quit): q
Those integers sum to 277.
CodeList 6-10 at P
code6-10
#include <stdio.h>
int main (void)
{
const int NUMBER = 32;
int count = 1;
while(count <= NUMBER)
{
printf("Be my Valentine!\n");
count++;
}
return 0;
}
log6-10
bogon:CodeList6-10 panda8z$ gcc -o sweetie1.out sweetie1.c
bogon:CodeList6-10 panda8z$ ./sweetie1.out
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
Be my Valentine!
bogon:CodeList6-10 panda8z$
CodeList 6-11 at P
code6-11
#include <stdio.h>
int main (void)
{
const int NUMBER = 22;
int count;
for(count =1; count <= NUMBER; count++)
printf("Be My Valentine!\n");
return 0;
}
log6-11
bogon:CodeList6-11 panda8z$ gcc -o sweetie2.out sweetie2.c
bogon:CodeList6-11 panda8z$ ./sweetie2.out
Be My Valentine!
Be My Valentine!
Be My Valentine!
Be My Valentine!
Be My Valentine!
Be My Valentine!
Be My Valentine!
Be My Valentine!
Be My Valentine!
Be My Valentine!
Be My Valentine!
Be My Valentine!
Be My Valentine!
Be My Valentine!
Be My Valentine!
Be My Valentine!
Be My Valentine!
Be My Valentine!
Be My Valentine!
Be My Valentine!
Be My Valentine!
Be My Valentine!
CodeList 6-12 at P
code6-12
#include <stdio.h>
int main(void)
{
int num;
printf(" n n cubed\n");
for(num = 1; num < 6; num++)
{
printf("%5d %5d\n", num, num * num * num);
}
return 0;
}
log6-12
Panda-MBP:CodeList6-12 panda8z$ gcc -o for_cube.out for_cube.c
Panda-MBP:CodeList6-12 panda8z$ ./for_cube.out
n n cubed
1 1
2 8
3 27
4 64
5 125
CodeList 6-13 at P
code6-13
#include <stdio.h>
int main(void )
{
const int FIRST_OZ = 37;
const int NEXT_OZ = 23;
int ounces, cost;
printf(" ounces cost\n");
for(ounces =1, cost = FIRST_OZ; ounces <= 16; ounces++, cost += NEXT_OZ)
{
printf("%5d $%4.2f\n", ounces, cost/100.0);
}
return 0;
}
log6-13
Panda-MBP:CodeList6-13 panda8z$ gcc -o postage.out postage.c
Panda-MBP:CodeList6-13 panda8z$ ./postage.out
ounces cost
1 $0.37
2 $0.60
3 $0.83
4 $1.06
5 $1.29
6 $1.52
7 $1.75
8 $1.98
9 $2.21
10 $2.44
11 $2.67
12 $2.90
13 $3.13
14 $3.36
15 $3.59
16 $3.82
CodeList 6-14 at P
code6-14
#include <stdio.h>
int main (void)
{
int t_ct;
double time, x;
int limit;
printf("Enter the number of terms you want: ");
scanf("%d", &limit);
for(time = 0, x =1, t_ct = 1 ; t_ct <= limit; t_ct++, x *=20)
{
time += 1.0/x;
printf("time = %f when terms = %d.\n", time, t_ct);
}
return 0;
}
log6-14
Panda-MBP:CodeList6-14 panda8z$ gcc -o zeno.out zeno.c
Panda-MBP:CodeList6-14 panda8z$ ./zeno.out
Enter the number of terms you want: 88
time = 1.000000 when terms = 1.
time = 1.050000 when terms = 2.
time = 1.052500 when terms = 3.
time = 1.052625 when terms = 4.
time = 1.052631 when terms = 5.
time = 1.052632 when terms = 6.
time = 1.052632 when terms = 7.
time = 1.052632 when terms = 8.
time = 1.052632 when terms = 9.
time = 1.052632 when terms = 10.
time = 1.052632 when terms = 11.
time = 1.052632 when terms = 12.
time = 1.052632 when terms = 13.
time = 1.052632 when terms = 14.
time = 1.052632 when terms = 15.
time = 1.052632 when terms = 16.
time = 1.052632 when terms = 17.
time = 1.052632 when terms = 18.
time = 1.052632 when terms = 19.
time = 1.052632 when terms = 20.
time = 1.052632 when terms = 21.
time = 1.052632 when terms = 22.
time = 1.052632 when terms = 23.
time = 1.052632 when terms = 24.
time = 1.052632 when terms = 25.
time = 1.052632 when terms = 26.
time = 1.052632 when terms = 27.
time = 1.052632 when terms = 28.
time = 1.052632 when terms = 29.
time = 1.052632 when terms = 30.
time = 1.052632 when terms = 31.
time = 1.052632 when terms = 32.
time = 1.052632 when terms = 33.
time = 1.052632 when terms = 34.
time = 1.052632 when terms = 35.
time = 1.052632 when terms = 36.
time = 1.052632 when terms = 37.
time = 1.052632 when terms = 38.
time = 1.052632 when terms = 39.
time = 1.052632 when terms = 40.
time = 1.052632 when terms = 41.
time = 1.052632 when terms = 42.
time = 1.052632 when terms = 43.
time = 1.052632 when terms = 44.
time = 1.052632 when terms = 45.
time = 1.052632 when terms = 46.
time = 1.052632 when terms = 47.
time = 1.052632 when terms = 48.
time = 1.052632 when terms = 49.
time = 1.052632 when terms = 50.
time = 1.052632 when terms = 51.
time = 1.052632 when terms = 52.
time = 1.052632 when terms = 53.
time = 1.052632 when terms = 54.
time = 1.052632 when terms = 55.
time = 1.052632 when terms = 56.
time = 1.052632 when terms = 57.
time = 1.052632 when terms = 58.
time = 1.052632 when terms = 59.
time = 1.052632 when terms = 60.
time = 1.052632 when terms = 61.
time = 1.052632 when terms = 62.
time = 1.052632 when terms = 63.
time = 1.052632 when terms = 64.
time = 1.052632 when terms = 65.
time = 1.052632 when terms = 66.
time = 1.052632 when terms = 67.
time = 1.052632 when terms = 68.
time = 1.052632 when terms = 69.
time = 1.052632 when terms = 70.
time = 1.052632 when terms = 71.
time = 1.052632 when terms = 72.
time = 1.052632 when terms = 73.
time = 1.052632 when terms = 74.
time = 1.052632 when terms = 75.
time = 1.052632 when terms = 76.
time = 1.052632 when terms = 77.
time = 1.052632 when terms = 78.
time = 1.052632 when terms = 79.
time = 1.052632 when terms = 80.
time = 1.052632 when terms = 81.
time = 1.052632 when terms = 82.
time = 1.052632 when terms = 83.
time = 1.052632 when terms = 84.
time = 1.052632 when terms = 85.
time = 1.052632 when terms = 86.
time = 1.052632 when terms = 87.
time = 1.052632 when terms = 88.
CodeList 6-15 at P
code6-15
#include <stdio.h>
int main (void)
{
const int secret_code = 13;
int code_entered;
do
{
printf("To enter the triskaidekaphobia therapy club. \n");
printf("Please enter the secret code number:");
scanf("%d", &code_entered);
} while(code_entered != secret_code);
printf("Congratulations! you are cured!\n");
return 0;
}
log6-15
Panda-MBP:CodeList6-15 panda8z$ gcc -o do_while.out do_while.c
Panda-MBP:CodeList6-15 panda8z$ ./do_while.out
To enter the triskaidekaphobia therapy club.
Please enter the secret code number:24
To enter the triskaidekaphobia therapy club.
Please enter the secret code number:12
To enter the triskaidekaphobia therapy club.
Please enter the secret code number:233
To enter the triskaidekaphobia therapy club.
Please enter the secret code number:2444
To enter the triskaidekaphobia therapy club.
Please enter the secret code number:13
Congratulations! you are cured!
CodeList 6-16 at P
code6-16
#include <stdio.h>
int main(void)
{
const int secret_code = 13;
int code_entered;
printf("To enter the triskaidekaphobia therapy club. \n");
printf("Please enter the secret code number: ");
scanf("%d", &code_entered);
while (code_entered != secret_code)
{
printf("To enter the triskaidekaphobia therapy club. \n");
printf("Please enter the secret code number: ");
scanf("%d", &code_entered);
}
printf("congratulations! you are cured!\n");
return 0;
}
log6-16
Panda-MBP:CodeList6-16 panda8z$ gcc -o entry.out entry.c
Panda-MBP:CodeList6-16 panda8z$ ./entry.out
To enter the triskaidekaphobia therapy club.
Please enter the secret code number: 234
To enter the triskaidekaphobia therapy club.
Please enter the secret code number: 12
To enter the triskaidekaphobia therapy club.
Please enter the secret code number: 12
To enter the triskaidekaphobia therapy club.
Please enter the secret code number: 12
To enter the triskaidekaphobia therapy club.
Please enter the secret code number: 22
To enter the triskaidekaphobia therapy club.
Please enter the secret code number: 33
To enter the triskaidekaphobia therapy club.
Please enter the secret code number: 13
congratulations! you are cured!
CodeList 6-17 at P
code6-17
#include <stdio.h>
#define ROWS 6
#define CHARS 10
int main(void)
{
int row;
char ch;
for (row = 0; row < ROWS; row++)
{
for (ch = 'A'; ch < ('A' + CHARS); ch++)
{
printf("%c", ch);
}
printf("\n");
}
}
log6-17
Panda-MBP:CodeList6-17 panda8z$ gcc -o rows1.out rows1.c
Panda-MBP:CodeList6-17 panda8z$ ./rows1.out
ABCDEFGHIJ
ABCDEFGHIJ
ABCDEFGHIJ
ABCDEFGHIJ
ABCDEFGHIJ
ABCDEFGHIJ
CodeList 6-18 at P
code6-18
#include <stdio.h>
int main(void)
{
const int ROWS = 6;
const int CHARS = 6;
int row;
char ch;
for(row = 0; row < ROWS; row++)
{
for(ch = ('A' + row); ch < ('A' + CHARS); ch++)
{
printf("%c", ch);
}
printf("\n");
}
}
log6-18
Panda-MBP:CodeList6-18 panda8z$ gcc -o rows2.out rows2.c
Panda-MBP:CodeList6-18 panda8z$ ./rows2.out
ABCDEF
BCDEF
CDEF
DEF
EF
F
CodeList 6-19 at P
code6-19
#include <stdio.h>
#define SIZE 10
#define PAR 72
int main(void)
{
int index, score[SIZE];
int sum = 0;
float average;
printf("Enter %d golf scores: \n", SIZE);
for (index = 0; index < SIZE; index++)
{
scanf("%d", &score[index]);
}
printf("the scores read in are as follows: \n");
for (index = 0; index < SIZE; index++)
{
printf("%5d", score[index]);
}
printf("\n");
for (index = 0; index < SIZE; index++)
{
sum += score[index];
}
average = (float)sum / SIZE;
printf("Sum of scores = %d, average = %0.2f.\n", sum, average);
printf("That`s a handicap of %.0f.]n", average - PAR);
return 0;
}
log6-19
Panda-MBP:CodeList6-19 panda8z$ gcc -o scores_in.out scores_in.c
Panda-MBP:CodeList6-19 panda8z$ ./scores_in.out
Enter 10 golf scores:
3
3
3
4
4
5
56
4
2
5
the scores read in are as follows:
3 3 3 4 4 5 56 4 2 5
Sum of scores = 89, average = 8.90.
That`s a handicap of -63.
CodeList 6-20 at P
code6-
#include <stdio.h>
double power(double n, int p);
int main(void)
{
double x, xpow;
int exp;
printf("Enter a number and the positive integer power");
printf(" to which\nthe number will be raised. Enter q");
printf(" to quit.\n");
while (scanf("%lf%d", &x, &exp) == 2)
{
xpow = power(x, exp);
printf("%.3g to the power %d is %.5g\n", x, exp, xpow);
printf("Enter next pair of numbers or q to quit.\n");
}
printf("Hope you enjoyed ths power trip -- bye!\n");
return 0;
}
double power(double n, int p)
{
double pow = 1;
int i;
for (i = 1; i <= p; i++)
{
pow *= n;
}
return pow;
}
log6-
Panda-MBP:CodeList6-20 panda8z$ gcc -o power.out power.c
Panda-MBP:CodeList6-20 panda8z$ ./power.out
Enter a number and the positive integer power to which
the number will be raised. Enter q to quit.
3
4
3 to the power 4 is 81
Enter next pair of numbers or q to quit.
23
23
23 to the power 23 is 2.088e+31
Enter next pair of numbers or q to quit.
q
Hope you enjoyed ths power trip -- bye!
