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Select all child elements recursively in CSS
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Remove or adapt border of frame of legend using matplotlib
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Check if table exists in SQL Server
..._SCHEMA view. These views are (mostly) standard across many different databases and rarely change from version to version.
To check if a table exists use:
IF (EXISTS (SELECT *
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_SCHEMA = 'TheSchema'
AND...
Object initialization syntax
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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PostgreSQL LIKE query performance variations
...in response times regarding LIKE queries to a particular table in my database. Sometimes I will get results within 200-400 ms (very acceptable) but other times it might take as much as 30 seconds to return results.
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How to capture UIView to UIImage without loss of quality on retina display
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I have created a Swift extension based on @Dima solution:
extension UIImage {
class func imageWithView(view: UIView) -> UIImage {
UIGraphicsBeginImageContextWithOptions(view.bounds.size, view.opaque, 0.0)
view.drawViewHierarchyInRect(...
How to measure elapsed time in Python?
...apsed since the
first call to this function, as a floating point number, based on the
Win32 function QueryPerformanceCounter(). The resolution is typically
better than one microsecond.
Deprecated since version 3.3: The behaviour of this function depends
on the platform: use perf_counter...
SourceKitService Terminated
...ately I did not write that one down).
When I would start to type in an iOS based Swift project, attempting to use code completion/intellisense on any UIKit specific class, I would receive the SourceKitService Terminated issue in this thread.
Debugging process:
I started by looking through google ...
What is the difference between :focus and :active?
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Related question and the answer, based on this one: stackoverflow.com/a/48597351/5587480. From my point of view, very easy to understand
– john c. j.
Feb 3 '18 at 13:16
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SET NAMES utf8 in MySQL?
... (PHP) will get the data in utf8, no matter how they are stored in the database. Of course, they need to be stored correctly first.
DDL definition vs. real data
Encoding defined for a table/column doesn't really mean that the data are in that encoding. If you happened to have a table defined as utf8...