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How to convert char to int?
... ParseInt32(this char value) {
int i = (int)(value - '0');
if (i < 0 || i > 9) throw new ArgumentOutOfRangeException("value");
return i;
}
}
then use int x = c.ParseInt32();
share
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How to place and center text in an SVG rectangle
...xt to the absolute center of the element in which you want to center it:
If it's the parent, you could just do x="50%" y ="50%".
If it's another element, x would be the x of that element + half its width (and similar for y but with the height).
Use the text-anchor property to center the text hori...
PDOException “could not find driver”
...
From CLI, you can verify your installation by: php -i | grep pdo_mysql
– krisanalfa
May 23 '18 at 7:56
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document.getElementById vs jQuery $()
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Take care if your identifier is not fixed. $('#'+id)[0] is not equal to document.getElementById(id) because id may contain characters which are treated special in jQuery!
– Jakob
Feb 28 '12 at 12:...
What does the thread_local mean in C++11?
...he thread_local variables are visible to all the threads but can only modified by the thread for which they are defined? Is it correct?
...
curl : (1) Protocol https not supported or disabled in libcurl
...ndows SSL-enabled cURL curl.haxx.se/latest.cgi?curl=win64-ssl-sspi instead if none of the other provided answers works for windows.
– ganesh
Jan 8 '15 at 16:54
6
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Is there “Break on Exception” in IntelliJ?
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A fast way to pop up the dialog is to press Ctrl + SHIFT + F8 (On Mac: Cmd + SHIFT + F8), then click over to the exception breakpoints tab. If that was the last tab you were viewing, it'll still be selected, making it easy to flick breaking on exceptions on and off.
This will...
How to execute file I'm editing in Vi(m)
...prg option. Use % as a placeholder for the current file name. For example, if you were editing a python script:
:set makeprg=python\ %
Yes, you need to escape the space. After this you can simply run:
:make
If you wish, you can set the autowrite option and it will save automatically before run...
Canvas is stretched when using CSS but normal with “width” / “height” properties
...size of the element's bitmap: width and height. These attributes, when specified, must have values that are valid non-negative integers. The rules for parsing non-negative integers must be used to obtain their numeric values. If an attribute is missing, or if parsing its value returns an error, then...
SQL Query Where Field DOES NOT Contain $x
...OM y);
-- predefined list
SELECT a FROM x WHERE x.b NOT IN (1, 2, 3, 6);
If you are searching a string, go for the LIKE operator (but this will be slow):
-- Finds all rows where a does not contain "text"
SELECT * FROM x WHERE x.a NOT LIKE '%text%';
If you restrict it so that the string you are ...