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Exiting from python Command Line
To exit from Python command line, I have to type exit(). If I type exit, it says
11 Answers
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How to exclude a directory in find . command
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From manpage: Because -delete implies -depth, you cannot usefully use -prune and -delete together. So, how do I go about deleting with find if I want to exclude specific directories from the deletion?
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Converting Symbols, Accent Letters to English Alphabet
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Reposting my post from How do I remove diacritics (accents) from a string in .NET?
This method works fine in java (purely for the purpose of removing diacritical marks aka accents).
It basically converts all accented characters into their de...
How to fix 'sudo: no tty present and no askpass program specified' error?
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jenkins is just a user name? It must be user name of user from host machine? What if user name on host machine matches user name from remote server?
– mrgloom
May 2 '17 at 14:28
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Delete everything in a MongoDB database
...very single collection, and whatever else might be lying around, and start from scratch. Is there a single line of code that will let me do this? Bonus points for giving both a MongoDB console method and a MongoDB Ruby driver method.
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How do I read configuration settings from Symfony2 config.yml?
...ictly the question.
Later, I'll give an approach for getting those configs from services without ever passing via a common space as parameters.
FIRST APPROACH: Separated config block, getting it as a parameter
With an extension (more on extensions here) you can keep this easily "separated" into d...
What is the meaning of single and double underscore before an object name?
...PEP-8:
_single_leading_underscore: weak "internal use" indicator. E.g. from M import * does not import objects whose name starts with an underscore.
Double Underscore (Name Mangling)
From the Python docs:
Any identifier of the form __spam (at least two leading underscores, at most one tra...
Python circular importing?
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The easiest way to do so is to use import my_module syntax, rather than from my_module import some_object. The former will almost always work, even if my_module included imports us back. The latter only works if my_object is already defined in my_module, which in a circular import may not be the ...
Read stream twice
... the contents of the InputStream to a byte array, and then repeatedly read from the byte array using a ByteArrayInputStream. E.g.:
ByteArrayOutputStream baos = new ByteArrayOutputStream();
org.apache.commons.io.IOUtils.copy(in, baos);
byte[] bytes = baos.toByteArray();
// either
while (needToReadA...
Remove characters except digits from string using Python?
How can I remove all characters except numbers from string?
15 Answers
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