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Test for non-zero length string in Bash: [ -n “$var” ] or [ “$var” ]
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ViewParam vs @ManagedProperty(value = “#{param.id}”)
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Should I put #! (shebang) in Python scripts, and what form should it take?
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Error to use a section registered as allowDefinition='MachineToApplication' beyond application level
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URL matrix parameters vs. query parameters
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The important difference is that matrix parameters apply to a particular path element while qu...
How do you check in python whether a string contains only numbers?
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You'll want to use the isdigit method on your str object:
if len(isbn) == 10 and isbn.isdigit(...
Accessing nested JavaScript objects and arays by string path
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How to repair a serialized string which has been corrupted by an incorrect byte count length?
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unserialize() [function.unserialize]: Error at offset was dues to invalid serialization data d...
Where does this come from: -*- coding: utf-8 -*-
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This way of specifying the encoding of a Python file comes from PEP 0263 - Defining Python Source Code Encodings.
It is also recognized by GNU Emacs (see Python Language Reference, 2.1.4 Encoding declarations), though I don't know if it was the first program to use that syntax.
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How to kill all processes matching a name?
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Which means, for example, if we see these lines in ps aux:
apache 24268 0.0 2.6 388152 27116 ? S Jun13 0:10 /usr/sbin/httpd
apache 24272 0.0 2.6 387944 27104 ? S Jun13 0:09 /usr/sbin/httpd
apache 24319 0.0 2.6 387884 27316 ? S Jun15 0:04 /usr/sb...