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Check whether a path is valid in Python without creating a file at the path's target
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tl;dr
Call the is_path_exists_or_creatable() function defined below.
Strictly Python 3. That's just how we roll.
A Tale of Two Questions
The question of "How do I test pathname validity and, for valid pathnames, the existence or writability of th...
How to make an image center (vertically & horizontally) inside a bigger div [duplicate]
I have a div 200 x 200 px. I want to place a 50 x 50 px image right in the middle of the div.
36 Answers
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A complete solution to LOCALLY validate an in-app receipts and bundle receipts on iOS 7
...hrough of how I solved this in my in-app purchase library RMStore. I will explain how to verify a transaction, which includes verifying the whole receipt.
At a glance
Get the receipt and verify the transaction. If it fails, refresh the receipt and try again. This makes the verification process asy...
How to automatically generate a stacktrace when my program crashes
I am working on Linux with the GCC compiler. When my C++ program crashes I would like it to automatically generate a stacktrace.
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Convert float to double without losing precision
... as a primitive double. Simply casting the float to double gives me weird extra precision. For example:
10 Answers
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django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named MySQLdb
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pip install mysql-python
or if not using a virtual environment (on *nix hosts):
sudo pip install mysql-python
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PHP Function with Optional Parameters
... take a look at Walf's answer to a similar question and the more in-depth example in the same thread
– DJDave
Mar 16 '16 at 13:07
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Explain the concept of a stack frame in a nutshell
... But I cannot find (probably, I just don't search hard enough) any decent explanation of what stack frame is.
6 Answers
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Simple basic explanation of a Distributed Hash Table (DHT)
Could any one give an explanation on how a DHT works?
3 Answers
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How to architect an Ember.js application
...arted with and use. Only downside is that it does introduce a lot of complexity you might not want/need (although complexity that can be overlooked, if you're a trusting sort of individual). Bower and JSHint and Ember-CLI and Travis CI and EditorConfig and Git config files, along with other things l...