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Preview an image before it is uploaded
I want to be able to preview a file (image) before it is uploaded. The preview action should be executed all in the browser without using Ajax to upload the image.
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Unit testing private methods in C#
Visual Studio allows unit testing of private methods via an automatically generated accessor class. I have written a test of a private method that compiles successfully, but it fails at runtime. A fairly minimal version of the code and the test is:
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How to create a jQuery plugin with methods?
...s best not to muddy up the jQuery and jQuery.fn namespaces. They suggest this method:
(function( $ ){
var methods = {
init : function(options) {
},
show : function( ) { },// IS
hide : function( ) { },// GOOD
update : function( content ) { }// !!!
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PHP Foreach Pass by Reference: Last Element Duplicating? (Bug?)
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After the first foreach loop, $item is still a reference to some value which is also being used by $arr[2]. So each foreach call in the second loop, which does not call by reference, replaces that value, and thus $arr[2], with the new value.
So loop 1, the valu...
.NET Format a string with fixed spaces
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This will give you exactly the strings that you asked for:
string s = "String goes here";
string lineAlignedRight = String.Format("{0,27}", s);
string lineAlignedCenter = String.Format("{0,-27}",
String.Format("{0," + ((2...
Useful GCC flags for C
...gned integer overflow (formally "undefined behaviour" in C).
-fverbose-asm is useful if you're compiling with -S to examine the assembly output - it adds some informative comments.
-finstrument-functions adds code to call user-supplied profiling functions at every function entry and exit point.
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Find the most common element in a list
What is an efficient way to find the most common element in a Python list?
21 Answers
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Get a list of resources from classpath directory
I am looking for a way to get a list of all resource names from a given classpath directory, something like a method List<String> getResourceNames (String directoryName) .
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How do I split a string on a delimiter in Bash?
I have this string stored in a variable:
32 Answers
32
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Understanding Linux /proc/id/maps
...08048000-08056000 r-xp 00000000 03:0c 64593 /usr/sbin/gpm
address - This is the starting and ending address of the region in the process's address space
permissions - This describes how pages in the region can be accessed. There are four different permissions: read, write, execute, and shared. ...