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Hidden features of mod_rewrite
...ess file is called).
Logging mod_rewrite requests
Logging may be enabled from within the httpd.conf file (including <Virtual Host>):
# logs can't be enabled from .htaccess
# loglevel > 2 is really spammy!
RewriteLog /path/to/rewrite.log
RewriteLogLevel 2
Common use cases
To funnel al...
FragmentPagerAdapter Exists Only In Android.Support.V4.App (and not Android.App)
...
Ugh, you just need to use the FragmentPagerAdapter from the V13 support library
Android.Support.V13.App.FragmentPagerAdapter
Then all other Fragment related classes can be used from the "normal" libraries/namespaces, with the exception of ViewPager, but that's no big deal....
Java OCR implementation [closed]
...ence.
I used it successfully in a personal project to identify the letter from an image such as this, you can find all the source for the OCR component of my application on github, here.
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Visual Studio 2010 - C++ project - remove *.sdf file
...u can safely delete the .sdf file and ipch folder but you can also stop VS from putting those files in the project folder in the first place. (Useful if you have your source in an SVN or other synchronised folder, or if you store your project on a small volume like a USB stick or SSD and you don't w...
Unresolved external symbol on static class members
...got was to mark my class definition __declspec(dllexport), and when called from another class (outside that class's dll's boundaries), I of course got the my unresolved external error.
Still, easy to forget when you're changing an internal helper class to a one accessible from elsewhere, so if you'r...
Git push/clone to new server
...here else? I am behind a firewall so unfortunately I can't run git clone from the other machine.
5 Answers
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How to use relative/absolute paths in css URLs?
...er - it should work for both cases, as long as the structure is the same.
From https://www.w3.org/TR/CSS1/#url:
Partial URLs are interpreted relative to the source of the style sheet, not relative to the document
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How to asynchronously call a method in Java
...nied by SecurityManager.
FutureTask is a good option as the other options from the java.util.concurrent package.
My favorite for simple tasks:
Executors.newSingleThreadExecutor().submit(task);
little bit shorter than creating a Thread (task is a Callable or a Runnable)
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Extracting substrings in Go
I'm trying to read an entire line from the console (including whitespace), then process it. Using bufio.ReadString, the newline character is read together with the input, so I came up with the following code to trim the newline character:
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Android: How to handle right to left swipe gestures
I want my app to recognize when a user swipes from right to left on the phone screen.
21 Answers
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