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What does the exclamation mark do before the function?
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JavaScript syntax 101. Here is a function declaration:
function foo() {}
Note that there's no semicolon: this is just a function declaration. You would need an invocation, foo(), to actually run the function.
Now, when we add the seemingly ...
How to pop an alert message box using PHP?
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answered Nov 29 '16 at 14:07
Deepak PlayDeepak Play
31122 silver badges77 bronze badges
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JavaScript: How to find out if the user browser is Chrome?
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edited May 23 '17 at 12:10
Community♦
111 silver badge
answered Dec 30 '10 at 18:17
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How do I keep Python print from adding newlines or spaces? [duplicate]
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201
import sys
sys.stdout.write('h')
sys.stdout.flush()
sys.stdout.write('m')
sys.stdout.flush()
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How to document Ruby code?
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200
You should target your documentation for the RDoc processor, which can find your documentation ...
What is the difference between conversion specifiers %i and %d in formatted IO functions (*printf /
...er, but %i defaults to decimal but also allows hexadecimal (if preceded by 0x) and octal (if preceded by 0).
So 033 would be 27 with %i but 33 with %d.
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不到20个积木块，我用App Inventor 2给女儿做了个接星星小游戏 - App应用开...
...入：
1. 一个Canvas（设置宽为"填充父容器"，高为400px，背景色为深蓝色）
2. 一个ImageSprite（放到Canvas里面，设置图片为篮子素材，名称为"Basket"）
3. 一个Ball（放到Canvas里面，设置半径12px，填充色#FFD700金色，名...
Java - Convert integer to string [duplicate]
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840
There are multiple ways:
String.valueOf(number) (my preference)
"" + number (I don't know how ...
Why doesn't Console.Writeline, Console.Write work in Visual Studio Express?
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306
Console.WriteLine writes your output to the console window opened by your application (think bl...
“Application tried to present modally an active controller”?
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104
Assume you have three view controllers instantiated like so:
UIViewController* vc1 = [[UIViewC...