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Facebook database design?
I have always wondered how Facebook designed the friend user relation.
13 Answers
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How to get a Fragment to remove itself, i.e. its equivalent of finish()?
...ber of activities (A B C D) which chain onto one another, D has a button 'OK' which when pressed calls finish which then bubbles up through onActivityResult() to additionally destroy C and B.
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Formatting a float to 2 decimal places
...I have got the sale price to calculate perfectly but where I have come stuck is formatting the output to 2 decimal places.
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Your branch is ahead of 'origin/master' by 3 commits
...You have several ways to "solve" it and it normally depends on how your workflow looks like:
In a good workflow your remote copy of master should be the good one while your local copy of master is just a copy of the one in remote. Using this workflow you'll never get this message again.
If you wor...
Concat scripts in order with Gulp
Say, for example, you are building a project on Backbone or whatever and you need to load scripts in a certain order, e.g. underscore.js needs to be loaded before backbone.js .
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Why is there a difference in checking null against a value in VB.NET and C#?
...r the VB.NET semantics, which in essence gives NULL the semantics "I don't know yet". Then the comparison of 5 to "I don't know yet". is naturally "I don't know yet"; ie NULL. This has the additional advantage of mirroring the behaviour of NULL in (most if not all) SQL databases. This is also a more...
Window.open and pass parameters by post method
...o pass by post method.I've found solution, but unfortunately it doesn't work. This is my code:
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What does int argc, char *argv[] mean?
...++ IDE's and compilers, when it generates the main function for you, it looks like this:
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Making Python loggers output all messages to stdout in addition to log file
Is there a way to make Python logging using the logging module automatically output things to stdout in addition to the log file where they are supposed to go? For example, I'd like all calls to logger.warning , logger.critical , logger.error to go to their intended places but in addition al...
How to navigate to a directory in C:\ with Cygwin?
...I had to install Sip . The last step to installing Sip is to use the make install command. Windows doesn't have that, so I looked it up and everything I saw said to install Cygwin. So I did. But...sip is in C:\Python31\sip .
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