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How to check if an activity is the last one in the activity stack for an application?
... selected answer is a hack. One should do it the right way using the isTaskRoot() method.
– Sufian
Apr 2 '14 at 6:17
@...
Determining complexity for recursive functions (Big O notation)
... tree. Once you have the recursive tree:
Complexity = length of tree from root node to leaf node * number of leaf nodes
The first function will have length of n and number of leaf node 1 so complexity will be n*1 = n
The second function will have the length of n/5 and number of leaf nodes again ...
How to find topmost view controller on iOS
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iOS 4 introduced the rootViewController property on UIWindow:
[UIApplication sharedApplication].keyWindow.rootViewController;
You'll need to set it yourself after you create the view controller though.
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Where can I find php.ini?
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Use the following commands to find the php.ini file path in linux.
[root@AnyDirectory ~]# locate php.ini
/etc/php.ini
/etc/php.ini.rpmnew
/usr/share/doc/php-common-5.4.45/php.ini-development
/usr/share/doc/php-common-5.4.45/php.ini-production
or try this another way
[root@AnyDirectory ~]...
How to upgrade all Python packages with pip?
... a REALLY long time… and gives you a bunch of new stuff! PS: Run it as root if you're on OS X!
– Alex Gray
Dec 31 '11 at 4:13
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How to resolve “Error: bad index – Fatal: index file corrupt” when using Git
...have accidentally corrupted the .git/index file with a sed on your project root (refactoring perhaps?) with something like:
sed -ri -e "s/$SEACHPATTERN/$REPLACEMENTTEXT/g" $(grep -Elr "$SEARCHPATERN" "$PROJECTROOT")
to avoid this in the future, just ignore binary files with your grep/sed:
sed -r...
ASP.NET MVC on IIS 7.5
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This fixed the 403.14 on the root, and 404 on other controller methods for my MVC app. There is still something fishy here, however, because I have another app running on the same server with the same visible site settings, and it works without this sett...
java.lang.OutOfMemoryError: Java heap space
...in your application
If you find memory leaks in your application, find the root cause with help of profiling tools like MAT, Visual VM , jconsole etc. Once you find the root cause, fix the leaks.
Important notes from oracle article
Cause: The detail message Java heap space indicates object cou...
Database Design for Tagging
...s-performance-tests/
Note that the conclusions there are very specific to MySQL, which (at least in 2005 at the time that was written) had very poor full text indexing characteristics.
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How to use gitignore command in git
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There is a file in your git root directory named .gitignore. It's a file, not a command. You just need to insert the names of the files that you want to ignore, and they will automatically be ignored. For example, if you wanted to ignore all emacs autos...