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Best practices/performance: mixing StringBuilder.append with String.concat
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Although newer versions of the compiler automatically optimize the + operator to a string builder it isn't necessarily a good thing to assume it will as older versions don't. There is a very important topic that is being ignored in this whole discussion w...
What happens to a declared, uninitialized variable in C? Does it have a value?
...in undefined behavior.
void foo() {
int x;
printf("%d", x); // the compiler is free to crash here
}
In practice, they tend to just have some nonsensical value in there initially - some compilers may even put in specific, fixed values to make it obvious when looking in a debugger - but stric...
How do I find which rpm package supplies a file I'm looking for?
... an example, I am looking for a mod_files.sh file which presumably would come with the php-devel package. I guessed that yum would install the mod_files.sh file with the php-devel x86_64 5.1.6-23.2.el5_3 package, but the file appears to not to be installed on my filesystem.
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What is state-of-the-art for text rendering in OpenGL as of version 4.1? [closed]
...a distance-map-textured quad, and evaluating curves in the shader is still computationally much more expensive than necessary.
The best trade-off between "fast" and "quality" are still textured quads with a signed distance field texture. It is very slightly slower than using a plain normal textured...
How to develop a soft keyboard for Android? [closed]
...board. I cloned the repo but when I try to build the java part it seems to complain about the native part, and I can't figure out how to get the ndk to build the right part. Any tips?
– Ibrahim
Mar 7 '11 at 9:10
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How can HTML5 “replace” Flash? [closed]
...hat people loosely refer to HTML5 in the context of this discussion is the combination of HTML as a markup language, CSS which specifies how it is rendered, and the javascript code which manipulates the HTML and CSS dynamically.
Furthermore, HTML5 not only has the standard text elements, but also &...
Performance difference between IIf() and If
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How do I get the color from a hexadecimal color code using .NET?
...n any help on how to get alpha value as I need to convert this value to be compatible with css rgba for web design.
– Siddharth Pandey
Apr 17 '14 at 8:14
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How to show first commit by 'git log'?
I have a project which has long history. I want to show the first commit on git.
6 Answers
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Get column index from column name in python pandas
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