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Python try…except comma vs 'as' in except
...le.
In Python 2.6+, use the as syntax, since it is far less ambiguous and forward compatible with Python 3.x.
In Python 2.5 and earlier, use the comma version, since as isn't supported.
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Ruby on Rails: How do you add add zeros in front of a number if it's under 10?
...004:0> sprintf '%02d', 10
=> "10"
You might want to reference the format table for sprintf in the future, but for this particular example '%02d' means to print an integer (d) taking up at least 2 characters (2) and left-padding with zeros instead of spaces (0).
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Explanation of the UML arrows
I have recently been studying UML and drawing simple diagrams with ordinary plain arrows between classes, but I know it's not enough. There are plenty of other arrows: generalization, realisation and etc. which have meaning to the diagram reader.
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How to get position of a certain element in strings vector, to use it as an index in ints vector?
I am trying to get the index of an element in a vector of strings , to use it as an index in another vector of int type, is this possible ?
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How to check whether a string contains a substring in Ruby
...D), include?("cde") would return false. You may want to do a downcase() before calling include?().
– phortx
Mar 25 '14 at 7:58
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How do I show my global Git configuration?
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You can use:
git config --list
or look at your ~/.gitconfig file. The local configuration will be in your repository's .git/config file.
Use:
git config --list --show-origin
to see where that setting is defined (global, user, repo, etc...)
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Why Large Object Heap and why do we care?
...arge object heap. But I still fail to understand what is the significance (or benefit) of having Large object heap?
5 Answe...
How can I update window.location.hash without jumping the document?
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There is a workaround by using the history API on modern browsers with fallback on old ones:
if(history.pushState) {
history.pushState(null, null, '#myhash');
}
else {
location.hash = '#myhash';
}
Credit goes to Lea Verou
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What's the status of multicore programming in Haskell?
What's the status of multicore programming in Haskell? What projects, tools, and libraries are available now? What experience reports have there been?
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What is javax.inject.Named annotation supposed to be used for?
...not clear what the javax.inject.Named annotation is supposed to be used for. The Javadoc does not explain the the idea behind it.
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