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How to convert list of tuples to multiple lists?
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The built-in function zip() will almost do what you want:
>>> zip(*[(1, 2), (3, 4), (5, 6)])
[(1, 3, 5), (2, 4, 6)]
The only difference is that you get tuples instead of lists. You can convert them to lists using
ma...
Running multiple commands in one line in shell
...; mv /templates/apple /templates/inuse
To summarize (non-exhaustively) bash's command operators/separators:
| pipes (pipelines) the standard output (stdout) of one command into the standard input of another one. Note that stderr still goes into its default destination, whatever that happen to ...
Why should text files end with a newline?
... text files should end with a newline. I've known of this "rule" for years but I've always wondered — why?
18 Answers
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Most efficient conversion of ResultSet to JSON?
...g code converts a ResultSet to a JSON string using JSONArray and JSONObject .
14 Answers
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What are the rules for JavaScript's automatic semicolon insertion (ASI)?
Well, first I should probably ask if this is browser dependent.
6 Answers
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How to create GUID / UUID?
I'm trying to create globally-unique identifiers in JavaScript. I'm not sure what routines are available on all browsers, how "random" and seeded the built-in random number generator is, etc.
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Visual Studio - Shortcut to Navigate to Solution Explorer
Is there a keyboard shortcut in Visual Studio (aside from CTRL + TAB and selection) that would take me from inside a document directly into the solution explorer? I don't want to customize any shortcuts or change any default behavior.
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get keys of json-object in JavaScript [duplicate]
I have a json-object in JavaScript and I want to get the used keys in it. My JavaScript-Code looks like this:
3 Answers
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Batch file to delete files older than N days
I am looking for a way to delete all files older than 7 days in a batch file. I've searched around the web, and found some examples with hundreds of lines of code, and others that required installing extra command line utilities to accomplish the task.
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HTTP URL Address Encoding in Java
...ints to a file) from the user and I need to hit it and download it. The problem I am facing is that I am not able to encode the HTTP URL address properly...
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