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How to exit a 'git status' list in a terminal?
... If you're getting the E37: No write since last change (add ! to override) error, do what it says and use :q!
– Noumenon
Aug 24 '15 at 15:05
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关于我们 · App Inventor 2 中文网，少儿编程陪伴者
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App Inventor 2 AnimatedGif扩展教程 - 显示GIF动画 · App Inventor 2 中文网
...络加载GIF吗？
可以，但需要网络权限和稳定的连接。建议先下载到本地再显示。
总结
方案
推荐度
说明
AnimatedGif扩展
⭐⭐⭐⭐
专用扩展，功能完整
...
Is null check needed before calling instanceof?
...B b) {
// Overloaded version. Would cause reference ambiguity (compile error)
// if Test.test(null) was called without casting.
// So you need to call Test.test((A)null) or Test.test((B)null).
}
}
So Test.test((A)null) will print a instanceof A: false.)
P.S.: If you are hiring, pl...
How can I strip first and last double quotes?
I want to strip double quotes from:
13 Answers
13
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Difference between `set`, `setq`, and `setf` in Common Lisp?
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(set ls '(1 2 3 4)) => Error - ls has no value
(set 'ls '(1 2 3 4)) => OK
(setq ls '(1 2 3 4)) => OK - make ls to (quote ls) and then have the usual set
(setf ls '(1 2 3 4)) => OK - same as setq so far BUT
(setf (car ls) 10) => Make...
How Do You Clear The IRB Console?
How do you clear the IRB console screen?
21 Answers
21
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Listing all permutations of a string/integer
...#.
– Jon Schneider
Jan 26 '18 at 22:05
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How to use SharedPreferences in Android to store, fetch and edit values [closed]
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this.getSharedPreferences gives me the following error: The method getSharedPreferences(String, int) is undefined for the type MyActivity
– Si8
Jul 29 '13 at 19:14
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How to set up a cron job to run an executable every hour?
...e
path_to_exe >> log_file
to see the output of your command
also errors can be redirected with
path_to_exe &> log_file
also you can use
crontab -l
to check if your edits were saved.
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