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how do I initialize a float to its max/min value?
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@Yacoby, you might want to clarify that numeric_limits<float>::min() doesn't mean most negative value, it means smallest positive.
– MSN
Apr 21 '10 at 16:35
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Safely casting long to int in Java
What's the most idiomatic way in Java to verify that a cast from long to int does not lose any information?
10 Answers
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PHP string “contains” [duplicate]
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if (strpos($str, '.') !== FALSE)
{
echo 'Found it';
}
else
{
echo 'Not found.';
}
Note that you need to compare with the !== operator. If you use != or <> and the '.' is found at position 0, hey! 0 compares equal to...
Create Directory if it doesn't exist with Ruby
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If you want to create nested directories then this doesn't work. For e.g I wanted to create following directory /home/jignesh/reports/test but using this solution raised RUBY (Errno::ENOENT), no such file or directory @ dir_...
Why should I use 'li' instead of 'div'?
...ed, it can be helpful to distinguish what's in a list and what's not. Say if you have a list of ingredients in a recipe for example, and the user wants to skip to the instructions or just read the list, you need a list.
– Dave Markle
Feb 14 '09 at 19:57
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how do I strip white space when grabbing text with jQuery?
...lAdd = $(this).text().replace(/ /g,'');
That will remove all the spaces
If you want to remove the leading and trailing whitespace only, use the jQuery $.trim method :
var emailAdd = $.trim($(this).text());
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Android Fragment handle back button press [duplicate]
...ace( R.id.fragment, new MyFragment() ).addToBackStack( "tag" ).commit();
If you require more detailed control (i.e. when some Fragments are visible, you want to suppress the back key) you can set an OnKeyListener on the parent view of your fragment:
//You need to add the following line for this s...
C#: Raising an inherited event
... OnLoading(EventArgs e)
{
EventHandler handler = Loading;
if( handler != null )
{
handler(this, e);
}
}
protected virtual void OnFinished(EventArgs e)
{
EventHandler handler = Finished;
if( handler != null )
{
handle...
How to remove item from array by value? [duplicate]
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This can be a global function or a method of a custom object, if you aren't allowed to add to native prototypes. It removes all of the items from the array that match any of the arguments.
Array.prototype.remove = function() {
var what, a = arguments, L = a.length, ax;
while (L...
How to close off a Git Branch?
...ks a place in time. By tagging each branch merge we can resurrect a branch if that is needed. The branch tags have been used several times to review changes.
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