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jQuery.active function
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163
This is a variable jQuery uses internally, but had no reason to hide, so it's there to use. J...
log4j logging hierarchy order
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edited Jun 4 '18 at 14:08
answered May 11 '16 at 15:28
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Jackson JSON custom serialization for certain fields
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108
You can implement a custom serializer as follows:
public class Person {
public String na...
Is the primary key automatically indexed in MySQL?
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edited Dec 3 '11 at 20:41
answered Jul 1 '09 at 20:24
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How to find out what character key is pressed?
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159
"Clear" JavaScript:
<script type="text/javascript">
function myKeyPress(e){
var k...
Twitter bootstrap float div right
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You have two span6 divs within your row so that will take up the whole 12 spans that a row is made up of.
Adding pull-right to the second span6 div isn't going to do anything to it as it's already sitting to the right.
If you mean you want to have the text in the second span6 div aligned to th...
Python subprocess.Popen “OSError: [Errno 12] Cannot allocate memory”
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+100
As a general rule (i.e. in vanilla kernels), fork/clone failures with ENOMEM occur specifically because of either an honest to God o...
How to set up tmux so that it starts up with specified windows opened?
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edited Dec 7 '18 at 9:59
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Determine font color based on background color
...n color...
double luminance = ( 0.299 * color.R + 0.587 * color.G + 0.114 * color.B)/255;
if (luminance > 0.5)
d = 0; // bright colors - black font
else
d = 255; // dark colors - white font
return Color.FromArgb(d, d, d);
}
This was tested for many various colo...