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Cause of a process being a deadlock victim
I have a process with a Select which takes a long time to finish, on the order of 5 to 10 minutes. I am currently not using NOLOCK as a hint to the MS SQL database engine. At the same time we have another process doing updates and inserts into the same database and same tables. The first pr...
How do I programmatically determine operating system in Java?
...;
}
public static boolean isUnix() // and so on
}
That way, every time you ask for the Os, you do not fetch the property more than once in the lifetime of your application.
February 2016: 7+ years later:
There is a bug with Windows 10 (which did not exist at the time of the original ans...
Set cURL to use local virtual hosts
...r, and received my vote. Only Xenocross can mark an answer as accepted. In time others will likely come here and gradually vote yours higher.
– hobodave
Oct 19 '12 at 17:50
10
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Java HashMap performance optimization / alternative
...to be saying that you want these to have the same hashCode but at the same time not being equal (as defined by the equals() method). Why would you want that?
– MAK
Nov 18 '09 at 21:32
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Error message “Forbidden You don't have permission to access / on this server” [closed]
I have configured my Apache by myself and have tried to load phpMyAdmin on a virtual host, but I received:
34 Answers
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Setting default values for columns in JPA
....persistence.PrePersist
@PrePersist
void preInsert() {
if (this.createdTime == null)
this.createdTime = new Date();
}
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Garbage collector in Android
...created and recycled or similar), but when the game is paused it is a good time to GC.
– Pat
Apr 28 '12 at 21:15
4
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What are the differences between git remote prune, git prune, git fetch --prune, etc
My situation is this... someone working on the same repo has deleted a branch from his local & remote repo...
4 Answers
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Detecting endianness programmatically in a C++ program
...nter cast.
This is also much better than fixing the endianness at compile time - for OS which support multi-architecture (fat binary on Mac os x for example), this will work for both ppc/i386, whereas it is very easy to mess things up otherwise.
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multiprocessing.Pool: When to use apply, apply_async or map?
...stead of calling get().
For example:
import multiprocessing as mp
import time
def foo_pool(x):
time.sleep(2)
return x*x
result_list = []
def log_result(result):
# This is called whenever foo_pool(i) returns a result.
# result_list is modified only by the main process, not the poo...