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What is the purpose of wrapping whole Javascript files in anonymous functions like “(function(){ … }
...ywhere, but you cannot call localFunction1 or localFunction2.
What you're doing when you write (function() { ... })(), is you're making the code inside the first set of parentheses a function literal (meaning the whole "object" is actually a function). After that, you're self-invoking the function ...
How do I get the SharedPreferences from a PreferenceActivity in Android?
...shared preferences can be used by other application components. But if you do not need to share the preferences with other components and want to have activity private preferences you can do that with the help of getPreferences() method of the activity. The getPreference method uses the getSharedPre...
How to find list intersection?
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If order is not important and you don't need to worry about duplicates then you can use set intersection:
>>> a = [1,2,3,4,5]
>>> b = [1,3,5,6]
>>> list(set(a) & set(b))
[1, 3, 5]
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Using Rails 3.1, where do you put your “page specific” JavaScript code?
To my understanding, all of your JavaScript gets merged into 1 file. Rails does this by default when it adds //= require_tree . to the bottom of your application.js manifest file.
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How do you upload images to a gist?
How do you upload images to a gist?
8 Answers
8
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How do I UPDATE from a SELECT in SQL Server?
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How do I use an alias in set? update table set a.col1 = b.col2 from table a inner join table2 b on a.id = b.id; Instead I have to use update table set table.col1 = b.col2 from table a inner join table2 b on a.id = b.id;
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How do I check for C++11 support?
...nt compiler
#endif
It is set to 199711L in Visual Studio 2010 SP1, but I do not know if vendors will be so bold to increase it already if they just have (partial) compiler-level support versus a standard C++ library with all the C++11 changes.
So Boost's defines mentioned in another answer remain...
#pragma once vs include guards? [duplicate]
I'm working on a codebase that is known to only run on windows and be compiled under Visual Studio (it integrates tightly with excel so it's not going anywhere). I'm wondering if I should go with the traditional include guards or use #pragma once for our code. I would think letting the compiler de...
Running PostgreSQL in memory only
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This is not possible with Postgres. It does not offer an in-process/in-memory engine like HSQLDB or MySQL.
If you want to create a self-contained environment you can put the Postgres binaries into SVN (but it's more than just a single executable).
You will need...
Error handling with node.js streams
... to manipulate the data as it is piped through the stream. You may want to do some async calls, for example, or derive a couple of fields, remap some things, etc.
For how to create a transform stream see here and here. All you have to do is :
include the stream module
instantiate ( or inh...