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Create a string of variable length, filled with a repeated character
...ethod. Looking forward to the day when I don't have to care about them anymore, myself . . .
– talemyn
Sep 24 '18 at 19:41
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Remove last character from C++ string
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How to get the previous URL in JavaScript?
...I believe in some cases, by submitting a form?). Specified by DOM Level 2. More here.
window.history allows navigation, but not access to URLs in the session for security and privacy reasons. If more detailed URL history was available, then every site you visit could see all the other sites you'd b...
How to URL encode a string in Ruby
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force_encoding('binary') might be a more self-documenting choice.
– mu is too short
Jul 15 '11 at 23:53
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How do I vertically center text with CSS? [duplicate]
...t the line's height to the same height as the containing box element.
A more versatile approach
This is another way to align text vertically. This solution will work for a single line and multiple lines of text, but it still requires a fixed height container:
div {
height: 100px;
line...
Drawing a dot on HTML5 canvas [duplicate]
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If you are planning to draw a lot of pixel, it's a lot more efficient to use the image data of the canvas to do pixel drawing.
var canvas = document.getElementById("myCanvas");
var canvasWidth = canvas.width;
var canvasHeight = canvas.height;
var ctx = canvas.getContext("2d");
v...
Collection versus List what should you use on your interfaces?
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MySQL ON vs USING?
...erence between ON and USING() ? As far as I can tell, USING() is just more convenient syntax, whereas ON allows a little more flexibility when the column names are not identical. However, that difference is so minor, you'd think they'd just do away with USING() .
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How to randomly select rows in SQL?
...ORDER BY NEWID()
That said, everybody seems to come to this page for the more general answer to your question:
Selecting a random row in SQL
Select a random row with MySQL:
SELECT column FROM table
ORDER BY RAND()
LIMIT 1
Select a random row with PostgreSQL:
SELECT column FROM table
ORDER BY...
How to show soft-keyboard when edittext is focused
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