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no new variables on left side of :=
... to a simple assignment statement := -> = or you can use a new variable if that's ok with your algorithm.
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What does asterisk * mean in Python? [duplicate]
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See Function Definitions in the Language Reference.
If the form *identifier is
present, it is initialized to a tuple
receiving any excess positional
parameters, defaulting to the empty
tuple. If the form **identifier is
present, it is initialized to a new
dictionar...
Enable IIS7 gzip
... can I enable IIS7 to gzip static files like js and css and how can I test if IIS7 is really gziping them before sending to the client?
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Spring MVC: How to return image in @ResponseBody?
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if you are using Spring version of 3.1 or newer you can specify "produces" in @RequestMapping annotation. Example below works for me out of box. No need of register converter or anything else if you have web mvc enabled (@Ena...
Can an array be top-level JSON-text?
...g JSON: RFC 4627, RFC 7159 (which obsoletes RFC 4627), and ECMA-404. They differ in which top-level elements they allow, but all allow an object or an array as the top-level element.
RFC 4627: Object or array. "A JSON text is a serialized object or array."
RFC 7159: Any JSON value. "A JSON text i...
When should I use git pull --rebase?
...efault and others who insist never to use it. I believe I understand the difference between merging and rebasing, but I'm trying to put this in the context of git pull . Is it just about not wanting to see lots of merge commit messages, or are there other issues?
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Why should I use document based database instead of relational database?
...bly you shouldn't :-)
The second most obvious answer is you should use it if your data isn't relational. This usually manifests itself in having no easy way to describe your data as a set of columns. A good example is a database where you actually store paper documents, e.g. by scanning office mail...
How to replace spaces in file names using a bash script
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If you're running this on OS X, you'll need to brew install rename
– loeschg
Aug 8 '14 at 17:54
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Duplicate keys in .NET dictionaries?
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If you're using .NET 3.5, use the Lookup class.
EDIT: You generally create a Lookup using Enumerable.ToLookup. This does assume that you don't need to change it afterwards - but I typically find that's good enough.
If that ...
How do I get a substring of a string in Python?
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@mtahmed absolutely related to question. What if you wanted to substring by selecting alternate characters from the string? That would be my_string[::2]
– Endophage
Feb 12 '13 at 17:59
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