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How to implement an ordered, default dict? [duplicate]
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It's now offical Guido approved it.
– Fruch
Dec 20 '17 at 21:28
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Why should text files end with a newline?
...miliar with the adage that all text files should end with a newline. I've known of this "rule" for years but I've always wondered — why?
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'is' versus try cast with null check
... casts seem to be performed as fast as they used to be but as and linq are now approximately 3 times faster.
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C++ mark as deprecated
...llows for the attribute to be in the same places as __declspec(deprecated) now, so the macro can be simplified.
– bames53
Nov 29 '12 at 17:06
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How to create local notifications?
...alloc] init];
notification.fireDate = [NSDate dateWithTimeIntervalSinceNow:7];
notification.alertBody = @"This is local notification!";
notification.timeZone = [NSTimeZone defaultTimeZone];
notification.soundName = UILocalNotificationDefaultSoundName;
notification.applicationIcon...
Python division
...2.7 and Python 3.3.
In Python 2.7 and Python 3.3:
>>>20//15
1
Now, see the comparison
>>>a = 7.0/4.0
>>>b = 7/4
>>>print a == b
For the above program, the output will be False in Python 2.7 and True in Python 3.3.
In Python 2.7 a = 1.75 and b = 1.
In Pyth...
How do you produce a .d.ts “typings” definition file from an existing JavaScript library?
...ase before trying to write your own.
Maybe You Don't Need One
TypeScript now supports the --allowJs flag and will make more JS-based inferences in .js files. You can try including the .js file in your compilation along with the --allowJs setting to see if this gives you good enough type informatio...
App Inventor 2 文件操作教程 - 创建/读取/写入/管理文件 · App Inventor 2 中文网
..._追加.Click() {
var 时间戳 = 计时器1.FormatDateTime(计时器1.Now(), "yyyy-MM-dd HH:mm:ss")
var 追加内容 = join(时间戳, ": ", 文本输入框_内容.Text, "\n")
文件管理器1.AppendToFile(追加内容, "/sdcard/MyApp/log.txt")
}
写入JSON数据
whe...
Android Studio installation on Windows 7 fails, no JDK found
...However, I capitalized the "C" and removed the trailing slash and it works now: "C:\Program Files\Java\jdk1.7.0"
– ASeale
May 16 '13 at 12:08
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Why call git branch --unset-upstream to fixup?
... version: remote-tracking branch origin/master used to exist, but does not now, so local branch source is tracking something that does not exist, which is suspicious at best—it means a different Git feature is unable to do anything for you—and Git is warning you about it. You have been getting ...