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How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators dif
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Difference between == and ===
The difference between the loosely == equal operator and the str...
How do I calculate square root in Python?
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249
sqrt=x**(1/2) is doing integer division. 1/2 == 0.
So you're computing x(1/2) in the first ins...
How do you see recent SVN log entries?
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limit option, e.g.:
svn log --limit 4
svn log -l 4
Only the last 4 entries
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Check orientation on Android phone
...3
AlexS
54544 silver badges1919 bronze badges
answered May 9 '10 at 20:06
hackbodhackbod
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Size of Matrix OpenCV
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241
cv:Mat mat;
int rows = mat.rows;
int cols = mat.cols;
cv::Size s = mat.size();
rows = s.height...
Removing all empty elements from a hash / YAML?
... Please note that compact and compact! come standard in Ruby => 2.4.0, and Rails => 4.1. They are non-recursive though.
– aidan
Nov 21 '17 at 5:21
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How to set the thumbnail image on HTML5 video?
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Add poster="placeholder.png" to the video tag.
<video width="470" height="255" poster="placeholder.png" controls>
<source src="video.mp4" type="video/mp4">
<source src="video.ogg" type="video/ogg">
<source src="video.webm" type="video/webm">
<obj...
vagrant up failed, /dev/vboxnetctl: no such file or directory
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LinusLinus
81044 silver badges55 bronze badges
1
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Difference between getDefaultSharedPreferences and getSharedPreferences
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224
getDefaultSharedPreferences will use a default name like "com.example.something_preferences", bu...
Android splash screen image sizes to fit all devices
...ixel sizes is as always hard to find).
Here's the tl/dr version
Create 4 images, one for each screen density:
xlarge (xhdpi): 640x960
large (hdpi): 480x800
medium (mdpi): 320x480
small (ldpi): 240x320
Read 9-patch image introduction in Android Developer Guide
Design images that have areas th...