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Counting the number of True Booleans in a Python List
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215
True is equal to 1.
>>> sum([True, True, False, False, False, True])
3
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NOT IN vs NOT EXISTS
...ever. This article shows another one for a query against the AdventureWorks2008 database.
For the NOT IN on a NOT NULL column or the NOT EXISTS against either a nullable or non nullable column it gives the following plan.
When the column changes to NULL-able the NOT IN plan now looks like
It ...
How do I lowercase a string in C?
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edited Jan 29 '19 at 22:34
Evan Carroll
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Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue
...e http://groups.google.com/group/android-developers/browse_thread/thread/9e215c83c3819953
* @see http://gskinner.com/blog/archives/2007/12/colormatrix_cla.html
* @param value degrees to shift the hue.
* @return
*/
public static ColorFilter adjustHue( float value )
{
ColorMatrix cm = new Colo...
Calculating the difference between two Java date instances
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How to export iTerm2 Profiles
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421
If you have a look at Preferences -> General you will notice at the bottom of the panel, the...
AngularJS-Twig conflict with double curly braces
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You can change the start and end interpolation tags using interpolateProvider service. One con...
Get mouse wheel events in jQuery?
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edited Jun 28 '13 at 14:49
JasCav
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Standardize data columns in R
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542
I have to assume you meant to say that you wanted a mean of 0 and a standard deviation of 1. If...
Change color of PNG image via CSS?
...03030a;
min-width: 800px;
min-height: 400px
}
img {
width:20%;
float:left;
margin:0;
}
/*Filter styles*/
.saturate { filter: saturate(3); }
.grayscale { filter: grayscale(100%); }
.contrast { filter: contrast(160%); }
.brightness { filter: brightness(0.25); }
.blu...