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Default argument values in JavaScript functions [duplicate]
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In javascript you can call a function (even if it has parameters) without parameters.
So you can add default values like this:
function func(a, b){
if (typeof(a)==='undefined') a = 10;
if (typeof(b)==='undefined') b = 20;
//your code
}
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How do I run a program with a different working directory from current, from Linux shell?
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Call the program like this:
(cd /c; /a/helloworld)
The parentheses cause a sub-shell to be spawned. This sub-shell then changes its working directory to /c, then executes helloworld from /a. After the program exits, the sub...
Force “portrait” orientation mode
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Sure thing, @TusharPandey. If I recall correctly, the one place this caused us grief was was when our activity launched the default image capture intent on the Samsung Galaxy S3. Basically, we just wanted to take a picture and get the results. However, when ...
Google Authenticator available as a public service?
...unts.
The actual process is straightforward. The one time code is, essentially, a pseudo random number generator. A random number generator is a formula that once given a seed, or starting number, continues to create a stream of random numbers. Given a seed, while the numbers may be random to each ...
How to inflate one view with a layout
...IllegalStateException: The specified child already has a parent. You must call removeView() on the child's parent first.
– Michal Dymel
Feb 25 '10 at 21:24
27
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Error inflating class fragment
...wered Feb 6 '12 at 22:21
Dandre AllisonDandre Allison
5,73755 gold badges3939 silver badges5353 bronze badges
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C# Set collection?
...nts that the object can hold. A HashSet(Of T) object's capacity automatically increases as elements are added to the object.
The HashSet(Of T) class is based on the model of mathematical sets and provides high-performance set operations similar to accessing the keys of the Dictionary(Of T...
Cross-browser window resize event - JavaScript / jQuery
...r the sake of UI responsiveness, you might consider using a setTimeout to call your code only after some number of milliseconds, as shown in the following example, inspired by this:
function doSomething() {
alert("I'm done resizing for the moment");
};
var resizeTimer;
$(window).resize(functio...
How to convert a color integer to a hex String in Android?
...l. By using a bit wise AND operation with the value 0x00FFFFFF, you essentially clears the leftest byte (alpha channel) to 0. When used with Integer.toHexString, it'll just leave the rest of the 3 bytes in String. All non-significant digits will be dropped from the call, so if you want the leading...
How to install and run phpize
I have been meaning to install ffmpeg as an extension to my PHP setup. So before I can install it, I need to phpize it. I installed php5-dev by sudo apt-get install php5-dev . But now when I run phpize I get the following error :
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