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Check whether a variable is a string in Ruby
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@seanmakesgames Did you mean to_str, or to_s? The two are slightly different.
– Andrew Grimm
Jul 31 '16 at 3:22
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What's the concept of and differences between Framebuffer and Renderbuffer in OpenGL?
...Renderbuffer, I guess), very quickly using pixel transfer operations. This means that a Renderbuffer can be used to efficiently implement the double buffer pattern that you mentioned.
Renderbuffers are a relatively new concept. Before them, a Framebuffer was used to render to a texture, which can b...
Use git “log” command in another folder
...erer than me and what I typed. If I say 'run this in directory X', I don't mean 'except sometimes, do something else'.
– underscore_d
Jan 27 '18 at 18:29
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Adding onClick event dynamically using jQuery
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Using the .attr onClick instead of .click also means you can directly assign a script command instead of calling a function, like "history.go(0);" or "alert('Hi!');".
– Jonathan
May 3 at 23:09
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jquery $(window).height() is returning the document height
...nt must be having enough space in the window to display its contents. That means there is no need to scroll down to see any more part of the document. In that case, document height would be equal to the window height.
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Best approach to converting Boolean object to string in java
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Depends on what you mean by "efficient". Performance-wise both versions are the same as its the same bytecode.
$ ./javap.exe -c java.lang.String | grep -A 10 "valueOf(boolean)"
public static java.lang.String valueOf(boolean);
Code:
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How can I loop through a List and grab each item?
... Another word of warning, if you have a big list, (by big I mean over 100,000 items) myMoney.Count start to take a while as it has to traverse the list to perform the Count, and in the for examples above the myMoney.Count is counted every time around the loop. So using int myMoneyC=my...
Pass mouse events through absolutely-positioned element
...For mobile devices or desktop browsers zoomed in X Y coordinates no longer mean anything, and there is no clear way to calculate zoom. i believe for pinch zooming it's actually impossible.
– Impossibear
Sep 16 '14 at 23:27
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How to grep (search) committed code in the Git history
...erences that introduce or remove an instance of <string>.
It usually means "revisions where you added or removed line with 'Foo'".
the --pickaxe-regex option allows you to use extended POSIX regex instead of searching for a string.
Example (from git log): git log -S"frotz\(nitfol" --pickaxe-re...
Differences in boolean operators: & vs && and | vs ||
... is not:
if((a != null) & (a.something == 3)){
}
"Short-circuiting" means the operator does not necessarily examine all conditions. In the above examples, && will examine the second condition only when a is not null (otherwise the whole statement will return false, and it would be moo...