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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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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.
For ...
What is path of JDK on Mac ? [duplicate]
...ided by Oracle). The best generic way to find this out is to run
/usr/libexec/java_home
This is the natively supported way to find out both the path to the default Java installation as well as all alternative ones present.
If you check out its help text (java_home -h), you'll see that you can u...
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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What is a deadlock?
When writing multi-threaded applications, one of the most common problems experienced are deadlocks.
17 Answers
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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...
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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Why does an overridden function in the derived class hide other overloads of the base class?
...happens, people who respond either say that this called "name hiding" and explain how it works (which you probably already know), or explain how to override it (which you never asked about), but nobody seems to care to address the actual "why" question.
The decision, the rationale behind the name h...
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...