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Python int to binary string?
Are there any canned Python methods to convert an Integer (or Long) into a binary string in Python?
35 Answers
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What is the equivalent of the C# 'var' keyword in Java?
One use of the var keyword in C# is implicit type declaration. What is the Java equivalent syntax for var ?
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Why is C so fast, and why aren't other languages as fast or faster? [closed]
...that C is so much faster because it's "close to the machine." Leaving the former assertion for another post, what is special about C that allows it to be faster than other languages? Or put another way: what's to stop other languages from being able to compile down to binary that runs every bit as f...
What does 'COLLATE SQL_Latin1_General_CP1_CI_AS' do?
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It sets how the database server sorts (compares pieces of text). in this case:
SQL_Latin1_General_CP1_CI_AS
breaks up into interesting parts:
latin1 makes the server treat strings using charset latin 1, basically ascii
CP1 stands for Code Page 1252
CI c...
When to use PNG or JPG in iPhone development?
...CPU energy to display. However, large PNGs may take longer to read from storage than more compressed image formats, and thus be slower to display.
JPG's are smaller to store, but lossy (amount depends on compression level), and to display them requires a much more complicated decoding algorithm. ...
Default value of 'boolean' and 'Boolean' in Java
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The default value for a Boolean (object) is null.
The default value for a boolean (primitive) is false.
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What characters are forbidden in Windows and Linux directory names?
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A “comprehensive guide” of forbidden filename characters is not going to work on Windows because it reserves filenames as well as characters. Yes, characters like
* " ? and others are forbidden, but there are a infinite number of names composed only of ...
Is using a lot of static methods a bad thing?
...a class when that class doesn't require to keep track of internal states. For example, if I need to transform A into B and don't rely on some internal state C that may vary, I create a static transform. If there is an internal state C that I want to be able to adjust, then I add a constructor to set...
What are the pros and cons of performing calculations in sql vs. in your application
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It depends on a lot of factors - but most crucially:
complexity of calculations (prefer doing complex crunching on an app-server, since that scales out; rather than a db server, which scales up)
volume of data (if you need to access/aggregate a lot o...
How to open a specific port such as 9090 in Google Compute Engine
I have 2 Google Compute Engine instances and I want to open port 9090 in both the instances. I think we need to add some firewall rules.
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