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Zero-pad digits in string
I need to cast single figures (1 to 9) to (01 to 09). I can think of a way but its big and ugly and cumbersome. I'm sure there must be some concise way. Any Suggestions
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Does Java support default parameter values?
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For constructors, See Effective Java: Programming Language Guide's Item 1 tip (Consider static factory methods instead of constructors) if the overloading is getting complicated. For other methods, renaming some cases or using a parameter object can help. This is when you have enough complexity t...
How do I create a SHA1 hash in ruby?
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require 'digest/sha1'
Digest::SHA1.hexdigest 'foo'
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Find the most common element in a list
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Get url parameters from a string in .NET
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'str' object does not support item assignment in Python
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In Python, strings are immutable, so you can't change their characters in-place.
You can, how...
Handling optional parameters in javascript
I have a static javascript function that can take 1, 2 or 3 parameters:
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java.net.ConnectException: localhost/127.0.0.1:8080 - Connection refused
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Locate the nginx.conf file my nginx is actually using
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answered Nov 11 '13 at 15:38
Daniel LiDaniel Li
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