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What is the lifetime of a static variable in a C++ function?
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Filtering collections in C#
...you and return a subset of the list.
MSDN has a great code example here: http://msdn.microsoft.com/en-us/library/aa701359(VS.80).aspx
EDIT: I wrote this before I had a good understanding of LINQ and the Where() method. If I were to write this today i would probably use the method Jorge mentions a...
Why fragments, and when to use fragments instead of activities?
...that carries out a task that despite being somewhat short (such as a short HTTP request) is still required to survive configuration changes and thus depends on the exact fragment instance being preserved across them (by using setRetainInstance(true) on the fragment). As for layout fragments, setReta...
Version of Apache installed on a Debian machine
...Debian and Mac OS:
apachectl -v
On Red Hat and Amazon's EC2 Linux use:
httpd -v
On other verisons of Linux try:
apache2 -v
You can use two different flags:
-v # gives you the version number
-V # gives you the compile settings including version number.
If you want to run the command with ...
Can two Java methods have same name with different return types? [duplicate]
... with the same signature even if they have a different return type.
See: http://docs.oracle.com/javase/tutorial/java/javaOO/methods.html
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“unmappable character for encoding” warning in Java
...
everytime a JVM is started, it will pick up this information.
Source: http://whatiscomingtomyhead.wordpress.com/2012/01/02/get-rid-of-unmappable-character-for-encoding-cp1252-once-and-for-all/
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How to write asynchronous functions for Node.js
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How do I prevent a parent's onclick event from firing when a child anchor is clicked?
...f time while developing with ReactJS
Browser support could be found here: http://caniuse.com/#feat=pointer-events
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How to select html nodes by ID with jquery when the id contains a dot?
...t of the jquery documentation - section selectors which you can find here:
http://api.jquery.com/category/selectors/
Your question is answered right at the beginning of the documentation:
If you wish to use any of the meta-characters ( such as
!"#$%&'()*+,./:;?@[\]^`{|}~ )
as a literal par...
How to compute the sum and average of elements in an array?
...,0)/(elements.length||1);
Understand Javascript Array Reduce in 1 Minute
http://www.airpair.com/javascript/javascript-array-reduce
as gotofritz pointed out seems Array.reduce skips undefined values.
so here is a fix:
(function average(arr){var finalstate=arr.reduce(function(state,a) { state.sum...