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import module from string variable

... Finally, also remember that you can't import anything if there is no __init__.py in the folder with file you are trying to import. – Seanny123 Dec 6 '13 at 7:31 ...
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Installing PDO driver on MySQL Linux server

... On Ubuntu you should be able to install the necessary PDO parts from apt using sudo apt-get install php5-mysql There is no limitation between using PDO and mysql_ simultaneously. You will however need to create two connections to your DB, one with mysql_ and o...
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What are Long-Polling, Websockets, Server-Sent Events (SSE) and Comet?

...s prior to HTML5 which use streaming and long-polling to achieve real time applications. Read more on wikipedia or this article. Now, which one of them should I use for a realtime app (that I need to code). I have been hearing a lot about websockets (with socket.io [a node.js library]) but...
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How can I have a newline in a string in sh?

...rom the Bash manual page: Words of the form $'string' are treated specially. The word expands to string, with backslash-escaped characters replaced as specified by the ANSI C standard. Backslash escape sequences, if present, are decoded as follows: \a alert (bell) ...
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How to get a ListBox ItemTemplate to stretch horizontally the full width of the ListBox?

... Actually this solution doesn't work in Silverlight for some reason. Gabriel's solution on the other hand does – TimothyP May 23 '11 at 8:55 ...
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while (1) vs. while(True) — Why is there a difference (in python 2 bytecode)?

...me byte code for while(True): pass and while(1): pass , but this is actually not the case in python2.7. 3 Answers ...
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How to obtain a Thread id in Python?

... Using the logging module you can automatically add the current thread identifier in each log entry. Just use one of these LogRecord mapping keys in your logger format string: %(thread)d : Thread ID (if available). %(threadName)s : Thread name (if available). a...
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Is there a simple way to convert C++ enum to string?

... +1, GCCXML looks very nice! (Although I almost -1ed as I initially misread this as a suggestion to use the above verbose XML syntax to encode your enum -- a solution which reeks of overengineering!) – j_random_hacker Mar 12 '09 at 9:46 ...
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How does the algorithm to color the song list in iTunes 11 work? [closed]

...y discovered that the built-in Mathematica function DominantColors doesn't allow enough fine-grained control to approximate the algorithm that iTunes uses. I wrote my own function instead... A simple method to calculate the dominant color in a group of pixels is to collect all pixels into buckets ...
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When to favor ng-if vs. ng-show/ng-hide?

...ise the difference: ng-if will remove elements from DOM. This means that all your handlers or anything else attached to those elements will be lost. For example, if you bound a click handler to one of child elements, when ng-if evaluates to false, that element will be removed from DOM and your cli...