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How to Set Focus on Input Field using JQuery
... Space between input & :first. Does jQuery splice that automatically? I've always thought it should be input:first.
– simshaun
Jul 18 '11 at 20:11
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How to merge 2 List and removing duplicate values from it in C#
...return set. This is different
behavior to the Concat
method, which returns all the elements
in the input sequences including
duplicates.
List<int> list1 = new List<int> { 1, 12, 12, 5};
List<int> list2 = new List<int> { 12, 5, 7, 9, 1 };
List<int> ulist = list1.Union(l...
Is there a way of having git show lines added, lines changed and lines removed?
...
If all of your files are staged for commit, to see the --numstat go like this:
git diff --numstat HEAD~
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How to find the key of the largest value hash?
...(or in this case puts's) the key(s) where the value is equal to the max of all values. This should return more than one key if there's a tie.
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How to prevent errno 32 broken pipe?
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Your server process has received a SIGPIPE writing to a socket. This usually happens when you write to a socket fully closed on the other (client) side. This might be happening when a client program doesn't wait till all the data from the server is received and simply closes a socket (using close...
TargetedPatchingOptOut: “Performance critical to inline across NGen image boundaries”?
...le:
String.Equals has [TargetedPatchingOptOut]
You write a program that calls String.Equals
You run NGen on this program for maximum performance
NGen will inline the String.Equals call, replacing the method call instruction with the actual code in the method.
Method calls are (slightly) expensive,...
JPA: unidirectional many-to-one and cascading delete
...e as ON DELETE CASCADE. You'll need to invoke EntityManager.clear() after calling EntityManager.remove(parent) as the persistence context needs to be refreshed - the child entities are not supposed to exist in the persistence context after they've been deleted in the database.
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What do you call the -> operator in Ruby?
..."Methods, Procs, Lambdas, and Closures"), a lambda defined using -> is called lambda literal.
succ = ->(x){ x+1 }
succ.call(2)
The code is equivalent to the following one.
succ = lambda { |x| x + 1 }
succ.call(2)
Informally, I have heard it being called stabby lambda or stabby literal....
Convert timestamp in milliseconds to string formatted time in Java
...imes are not. Joda is also more programmer friendly, you can access almost all functionality from the DateTime class without having to convert back and forth between Date and Calendar
– Sean Patrick Floyd
Nov 10 '10 at 9:06
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Spinlock versus Semaphore
...ck (or, the other way around, a lock is a special case of a semaphore). Usually, but not necessarily, spinlocks are only valid within one process whereas semaphores can be used to synchronize between different processes, too.
A lock works for mutual exclusion, that is one thread at a time can acqui...