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What is the meaning of “POSIX”?
What is POSIX? I have read the Wikipedia article and I read it every time I encounter the term. The fact is that I never really understood what it is.
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In Bash, how can I check if a string begins with some value?
...* ]] ;
then
echo yes2
fi
Which will echo
yes1
yes2
Bash's if syntax is hard to get used to (IMO).
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html select only one checkbox in a group
So how can I only allow a user to select only one checkbox?
16 Answers
16
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UIScrollView Scrollable Content Size Ambiguity
Fellow devs,
I am having trouble with AutoLayout in Interface Builder (Xcode 5 / iOS 7).
It's very basic and important so I think everyone should know how this properly works. If this is a bug in Xcode, it is a critical one!
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How do I associate file types with an iPhone application?
...ype handling is new with iPhone OS 3.2, and is different than the already-existing custom URL schemes. You can register your application to handle particular document types, and any application that uses a document controller can hand off processing of these documents to your own application.
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What is a deadlock?
When writing multi-threaded applications, one of the most common problems experienced are deadlocks.
17 Answers
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Subscripts in plots in R
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expression is your friend:
plot(1,1, main=expression('title'^2)) #superscript
plot(1,1, main=expression('title'[2])) #subscript
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GDB corrupted stack frame - How to debug?
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Those bogus adresses (0x00000002 and the like) are actually PC values, not SP values. Now, when you get this kind of SEGV, with a bogus (very small) PC address, 99% of the time it's due to calling through a bogus function pointer. Note that virtu...
Convert Enumeration to a Set/List
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There is a simple example of convert enumeration to list. for this i used Collections.list(enum) method.
public class EnumerationToList {
public static void main(String[] args) {
Vector<String> vt = new Vector<String&g...
BASH copy all files except one
I would like to copy all files out of a dir except for one named Default.png. It seems that there are a number of ways to do this. What seems the most effective to you?
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