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Setting variable to NULL after free
...dangling pointer is accessed after it is freed, you may read or overwrite random memory. If a null pointer is accessed, you get an immediate crash on most systems, telling you right away what the error is.
For local variables, it may be a little bit pointless if it is "obvious" that the pointer isn...
How can I find the first occurrence of a sub-string in a python string?
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@Regressor: look into regex and word boundaries.
– mechanical_meat
Apr 12 at 23:29
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Faster s3 bucket duplication
I have been trying to find a better command line tool for duplicating buckets than s3cmd . s3cmd can duplicate buckets without having to download and upload each file. The command I normally run to duplicate buckets using s3cmd is:
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What's the difference between `raw_input()` and `input()` in Python 3?
What is the difference between raw_input() and input() in Python 3?
6 Answers
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Fixed position but relative to container
...on. It is now possible to center content of an dynamic size (horizontally and vertically) with the help of the magic of CSS3 transform. The same principle applies, but instead of using margin to offset your container, you can use translateX(-50%). This doesn't work with the above margin trick bec...
Detect & Record Audio in Python
...ssing. The problem is that I need to determine when there is audio present and then record it, stop when it goes silent and then pass that file to the processing module.
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What __init__ and self do on Python?
I'm learning the Python programming language and I've came across something I don't fully understand.
18 Answers
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Android Json and null values
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Try with json.isNull( "field-name" ).
Reference: http://developer.android.com/reference/org/json/JSONObject.html#isNull%28java.lang.String%29
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Comparison of Lucene Analyzers
...ifferent analyzers within Lucene? I am getting a maxClauseCount exception and I understand that I can avoid this by using a KeywordAnalyzer but I don't want to change from the StandardAnalyzer without understanding the issues surrounding analyzers. Thanks very much.
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What's the correct way to sort Python `import x` and `from x import y` statements?
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Imports are generally sorted alphabetically and described in various places beside PEP 8.
Alphabetically sorted modules are quicker to read and searchable. After all python is all about readability.
Also It is easier to verify that something is imported, and avoids du...