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Why is volatile needed in C?
...ther thread running that also uses the variable; or when there's a signal handler that might change the value of the variable.
Let's say you have a little piece of hardware that is mapped into RAM somewhere and that has two addresses: a command port and a data port:
typedef struct
{
int command;...
How many levels of pointers can we have?
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The C standard specifies the lower limit:
5.2.4.1 Translation limits
276 The implementation shall be able to translate and execute at least one program that contains at least one instance of every one of the following limits...
How to change my Git username in terminal?
I was pushing and pulling from git in Terminal then I changed my username on github.com. I went to push some changes and it couldn't push because it was still recognizing my old username.. How do I change/update my username on git in terminal?
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Backwards migration with Django South
Ok, so this seems like a really silly thing to ask, and I'm sure I'm missing something somewhere.
3 Answers
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Android java.lang.VerifyError?
In my Android app, I always get VerifyErrors! And I cannot figure out why. Whenever I include a external JAR, I always get VerifyErrors when I try to launch my app (except for once, when I included Apache Log4j.)
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What Xcode keyboard shortcuts do you use regularly? [closed]
...er then navigate to source files. However now I find the open quickly command better (cmd-shift-O , type a few chars, return)
– Robert
Nov 30 '12 at 12:45
6
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Depend on a branch or tag using a git URL in a package.json?
Say I've forked a node module with a bugfix and I want to use my fixed version, on a feature branch of course, until the bugfix is merged and released.
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Case insensitive comparison of strings in shell script
...t to compare two strings ignoring case, how can it be done? Is there any standard command for this?
12 Answers
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Where can I find php.ini?
A few years ago I installed Apache 2.2x and PHP 5.3.1 on a Linux server I maintain. I used .tar.gz's and built them as instructed (instead of rpms and what-have-you). And all was fine.
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Can a CSV file have a comment?
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The CSV "standard" (such as it is) does not dictate how comments should be handled, no, it's up to the application to establish a convention and stick with it.
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