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How to get all properties values of a JavaScript Object (without knowing the keys)?
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By using a simple for..in loop:
for(var key in objects) {
var value = objects[key];
}
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How to compare strings in Bash
...nt to do something when they don't match, replace = with !=. You can read more about string operations and arithmetic operations in their respective documentation.
Why do we use quotes around $x?
You want the quotes around $x, because if it is empty, your Bash script encounters a syntax error as s...
Authentication versus Authorization
...t of web applications? I see the abbreviation "auth" a lot. Does it stand for auth -entication or auth -orization? Or is it both?
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Why / when would it be appropriate to override ToString?
...t is common to all objects and thus other classes know about this method. For instance, whenever the .NET framework wants to convert an object to a string representation, ToString is a prime candidate (there are others, if you want to provide more elaborate formatting options).
Concretely,
Consol...
Reset PHP Array Index
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If you want to reset the key count of the array for some reason;
$array1 = [
[3] => 'Hello',
[7] => 'Moo',
[45] => 'America'
];
$array1 = array_merge($array1);
print_r($array1);
Output:
Array(
[0] => 'Hello',
[1] => 'Moo',
[2] => 'America...
urllib2.HTTPError: HTTP Error 403: Forbidden
I am trying to automate download of historic stock data using python. The URL I am trying to open responds with a CSV file, but I am unable to open using urllib2. I have tried changing user agent as specified in few questions earlier, I even tried to accept response cookies, with no luck. Can you pl...
What is the difference between MediaPlayer and VideoView in Android
...numerous threads here, VideoView is a wrapper (200 hundred lines of code) for MediaPlayer and SurfaceView to provide embedded controls.
He also kindly shared some examples:
https://github.com/commonsguy/cw-advandroid/blob/master/Media/Video/src/com/commonsware/android/video/VideoDemo.java
https:/...
How do I specify the exit code of a console application in .NET?
...nt.ExitCode = -1;. This will be used if nothing else sets the return code or uses one of the other options above).
Depending on your application (console, service, web app, etc) different methods can be used.
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How to make an image center (vertically & horizontally) inside a bigger div [duplicate]
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Personally, I'd place it as the background image within the div, the CSS for that being:
#demo {
background: url(bg_apple_little.gif) no-repeat center center;
height: 200px;
width: 200px;
}
(Assumes a div with id="demo" as you are already specifying height and width adding a backgrou...
Should I use int or Int32
...006 C# Language Specification (p18):
Each of the predefined types is shorthand for a system-provided type. For example, the keyword int refers to the struct System.Int32. As a matter of style, use of the keyword is favoured over use of the complete system type name.
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