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What does java:comp/env/ do?
I just spent too much time of my day trying to figure out some errors when hooking up some JNDI factory bean. The problem turned out to be that instead of this...
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What is the difference between buffer and cache memory in Linux?
To me it's not clear what's the difference between the two Linux memory concepts : buffer and cache . I've read through this post and it seems to me that the difference between them is the expiration policy:
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Resuming git-svn clone
...bout 6 hours of importing (it's a big repo), my computer went and slept on me. Is there a way to resume the operation without redoing all of the initial work?
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Pushing an existing Git repository to SVN
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I needed this as well, and with the help of Bombe's answer + some fiddling around, I got it working. Here's the recipe:
Import Git -> Subversion
1. cd /path/to/git/localrepo
2. svn mkdir --parents protocol:///path/to/repo/PROJECT/trunk -m "Importing git repo"
3. git svn init protoco...
How do I get the directory that a program is running from?
Is there a platform-agnostic and filesystem-agnostic method to obtain the full path of the directory from where a program is running using C/C++? Not to be confused with the current working directory. (Please don't suggest libraries unless they're standard ones like clib or STL.)
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Is there a difference between foreach and map?
...en a map operation and a foreach operation? Or are they simply different names for the same thing?
9 Answers
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android View not attached to window manager
I am having some of the following exceptions:
13 Answers
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What's the point of g++ -Wreorder?
...Wreorder. What this option does is described below. It is not obvious to me why somebody would care (especially enough to turn this on by default in -Wall).
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How to test chrome extensions?
... content script and saves data using localstorage. Are there any tools, frameworks, etc. that I can use to test this behavior? I realize there are some generic tools for testing javascript, but are those sufficiently power to test an extension? Unit testing is most important, but I'm also interested...
What is database pooling?
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Database connection pooling is a method used to keep database connections open so they can be reused by others.
Typically, opening a database connection is an expensive operation, especially if the database is remote. You have to open up network sessions, a...