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How to speed up insertion performance in PostgreSQL
...and if you are comfortable with binary data.
Here is an example recipe in Python, using psycopg2 with binary input.
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How do you match only valid roman numerals with a regular expression?
...s (requires at least one Roman numeral letter). Should work in PCRE, Perl, Python and Ruby.
Online Ruby demo: http://rubular.com/r/KLPR1zq3Hj
Online Conversion: http://www.onlineconversion.com/roman_numerals_advanced.htm
s...
When is a Java method name too long? [closed]
...the behaviour but also keep the project's and language's convention. So in Python you might say eligible_items_cnt but in Java you usually say getEligibleItemsCount.
– flybywire
Feb 9 '10 at 17:14
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ByteBuffer.allocate() vs. ByteBuffer.allocateDirect()
... Indeed. Like, when need to do IO in Scala/Java and call embedded Python / native libs with large in memory data for algorithmic processing or feed data directly to a GPU in Tensorflow.
– SemanticBeeng
Jun 2 '18 at 7:29
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How do I associate file types with an iPhone application?
...gt;public.shell-script</string>
<string>public.xml</string>
<string>public.symlink</string>
<string>org.gnu.gnu-zip-archve</string>
<string>org.gnu.gnu-tar-archive</string>
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What killed my process and why?
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Use dmesg to see kernel log: here I find my python processes killed by kernel due to extreme virtual memory consumption.
– caneta
Aug 28 '13 at 7:43
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Are braces necessary in one-line statements in JavaScript?
...'ve never found it useful to do this "recommended" thing. I've never coded python, so I don't just insert things and expect the indentation to matter. If I add a statement, I also add braces. Always. Can't remember a single time it bit me. Not in C, not in C# not in JavaScript.
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What is the motivation for bringing Symbols to ES6?
... The mechanism doesn't have to be reflection - C++, Java, C#, Ruby, Python, PHP, Objective-C all allow access one way or another if one really wants to. It's not really about ability but communication.
– Esailija
May 14 '14 at 15:48
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Image Processing: Algorithm Improvement for 'Coca-Cola Can' Recognition
...Features (SURF).
You can find a nice OpenCV code example in Java, C++, and Python on this page: Features2D + Homography to find a known object
Both algorithms are invariant to scaling and rotation. Since they work with features, you can also handle occlusion (as long as enough keypoints are visible)...
Are trailing commas in arrays and objects part of the spec?
...ng to erase the line written by another commiter. See the same question in Python : https://stackoverflow.com/a/11597911/968988
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