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Rails 3 - can't install pg gem
When I try to run bundle (bundle install), I all the time get
16 Answers
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How do I change the data type for a column in MySQL?
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If you want to change all columns of a certain type to another type, you can generate queries using a query like this:
select distinct concat('alter table ',
table_name,
' modify ',
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Generating random number between 1 and 10 in Bash Shell Script [duplicate]
... because you can't divide that evenly into groups of 10, there is a very small bias against 9 and 10 in this implementation. Most people shouldn't need to worry about this, because you shouldn't be using $RANDOM for security purposes anyway.
– Brad Koch
Feb 13...
boost::flat_map and its performance compared to map and unordered_map
...e, because your cache will not be warm, and your operation will likely be called just once. Therefore you need to benchmark using RDTSC, and time stuff calling them once only.
Intel has made a paper describing how to use RDTSC (using a cpuid instruction to flush the pipeline, and calling it at least...
Tutorials and libraries for OpenGL-ES games on Android [closed]
...d create a free version of the game on the market - after which I cannot really sell my app, I can only give people an opportunity to support it. This is possible on Android because Google has virtually no restrictions on the market (which is good). On the iPhone market it might be different, becaus...
How to check for changes on remote (origin) Git repository?
...emote are the same.
git show-branch *master will show you the commits in all of the branches whose names end in master (eg master and origin/master).
If you use -v with git remote update you can see which branches
got updated, so you don't really need any further commands.
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How to check a radio button with jQuery?
...e:
$("#radio_1").attr('checked', 'checked');
Tip: You may also want to call click() or change() on the radio button afterwards. See comments for more info.
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Limitations of SQL Server Express
...fering a fully managed dedicated server with SQL Server Web version () installed. My company handles web development, and has about 20+ clients using ASP.Net + SQL Server 2005.
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android TextView: setting the background color dynamically doesn't work
Setting the background color programatically of an android TextView doesn't seem to work.
I'm I missing something!
14 Ans...
gdb split view with code
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It's called the TUI (no kidding). Start for example with gdbtui or gdb -tui ...
Please also see this answer by Ciro Santilli. It wasn't available in 2012 to the best of my knowledge, but definitely worth a look.
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