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What is an API key? [closed]

...et token which is submitted alongside web service (or similar) requests in order to identify the origin of the request. The key may be included in some digest of the request content to further verify the origin and to prevent tampering with the values. Typically, if you can identify the source of a...
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How to list all functions in a Python module?

I have a python module installed on my system and I'd like to be able to see what functions/classes/methods are available in it. ...
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How to modify a global variable within a function in bash?

...alise that if you just run the function without assigning it to a variable all the global variables within it will update. Instead of returning a string array, why not just update the string array in the function then assign it to another variable after the function has finished ? ...
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How to get instance variables in Python?

Is there a built-in method in Python to get an array of all a class' instance variables? For example, if I have this code: ...
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How to make an immutable object in Python?

... Can you use namedtuple internally inside the class instead of instantiating the object externally? I'm very new to python but the advantage to your other answer is that I can have a class hide the details and also have the power of things like optional p...
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How to concatenate text from multiple rows into a single text string in SQL server?

...ts ST1 WHERE ST1.SubjectID = ST2.SubjectID ORDER BY ST1.SubjectID FOR XML PATH ('') ) [Students] FROM dbo.Students ST2 ) [Main] You can do the same thing in a more compact way if you can concat the commas at the beginning and ...
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String concatenation in Ruby

...ficient in term of memory/speed from what I've seen (not measured though). All three methods will throw an uninitialized constant error when ROOT_DIR is nil. When dealing with pathnames, you may want to use File.join to avoid messing up with pathname separator. In the end, it is a matter of taste....
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Why doesn't list have safe “get” method like dictionary?

...accessing list elements (as the len method is very fast). The .get method allows you to query the value associated with a name, not directly access the 37th item in the dictionary (which would be more like what you're asking of your list). Of course, you can easily implement this yourself: def sa...
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How do I unset an element in an array in javascript?

...ipt Arrays are not associative arrays like those you might be used to from PHP. If your "array key" is a string, you're no longer operating on the contents of an array. Your array is an object, and you're using bracket notation to access the member named <key name>. Thus: var myArray = []; m...
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In c++ what does a tilde “~” before a function name signify?

...omatically be destructed when appropriate. Beware of Static Initialization Order Fiasco – sehe Oct 15 '12 at 7:01 ...