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overlay opaque div over youtube iframe
... bottom: 0;
left: 0;
z-index: 50;
background: #000;
pointer-events: none;
opacity: 0.8;
color: #fff;
}
'pointer-events: none' will change the overlay behavior so that it can be physically opaque. Of course, this will only work in good browsers.
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How to add and get Header values in WebApi
... Content-Type is not a valid C# identifier
– thepirat000
Dec 15 '18 at 17:18
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Generate fixed length Strings filled with whitespaces
...rmat("%8s", toPad).replace(' ', '0');
System.out.println(padded);
Prints 000Apple.
Update more performant version (since it does not rely on String.format), that has no problem with spaces (thx to Rafael Borja for the hint).
int width = 10;
char fill = '0';
String toPad = "New York";
String...
Group by month and year in MySQL
...OUP BY DATE_FORMAT(date,'%Y-%m') (~850 ms) on a InnoDB table with > 300,000 entries showed the former (the marked answer to this question) took ~half the time as the latter.
– ow3n
Jul 16 at 12:19
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How to count the number of files in a directory using Python
...is much faster (about half the time with my testing on a directory with 10,000 files) if you know the pattern you're looking for, rather then testing each file with os.path.isfile() as the accepted answer does. Also significantly faster than glob.glob().
– CivFan
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How to save MySQL query output to excel or .txt file? [duplicate]
... Just a note to say that if you get this error: ERROR 1290 (HY000): The MySQL server is running with the --secure-file-priv option so it cannot execute this statement, you can stillsave the file in /var/lib/mysql-files/ (Debian) and move it to your desired location after.
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Prepend text to beginning of string
...ular scenarios, and I'm not sure how common it prepend a the same string 1,000 times.
– KyleMit
Apr 22 '19 at 18:08
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PHP Fatal error: Cannot redeclare class
...y be a noticeable difference of about 1 second if you have a file with 100,000 include_once's. You would be better off optimizing your DB access or other logic than prematurely optimizing your file includes using substandard techniques like master include files. The autoload feature doesn't perfor...
How to remove all leading zeroes in a string
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(string)((int)"00000234892839")
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Handling colon in element ID with jQuery
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I tested it with firefox 10 and jquery 1.7.2
basically I did a select 10'000 times of a div with a colon in the id - with the different methods to achieve it. Then I compared results to a ID selection with no colon in it, the results are quite surprising.
left time in ms
right selector method
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