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How can I trim leading and trailing white space?
...swer. This answer is nice to know of (+1) but in a quick test, it wasnt as fast as some of the alternatives out there.
– A5C1D2H2I1M1N2O1R2T1
May 24 '15 at 8:05
...
How to get a resource id with a known resource name?
... showed me that it gets executed in 0 - 1 ms! So it's not slow, it's super fast! I'm using it to get images from resources and it works perfectly. Tested on Nexus5x.
– Kirill Karmazin
Apr 25 '17 at 21:16
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Strings in a DataFrame, but dtype is object
...he combination of these properties together is what makes arrays lightning fast for data access. For example, consider how your computer might store an array of 32-bit integers, [3,0,1].
If you ask your computer to fetch the 3rd element in the array, it'll start at the beginning and then jump acros...
C++ Build Systems - What to use? [closed]
...igned to be scalable. However, it depends on the plugin implementation how fast it is. There is also some overhead for gradle itself. Also be aware, that some plugins might need to be customised for your use cases.
– JE42
Sep 13 '14 at 8:47
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Checking if a double (or float) is NaN in C++
... -1 only works in theory, not in practice: compilers such as g++ (with -fastmath) screw that up. the only general way, until c++0x, is to test for bitpattern.
– Cheers and hth. - Alf
Mar 26 '11 at 9:15
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php - get numeric index of associative array
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$a = array(
'blue' => 'nice',
'car' => 'fast',
'number' => 'none'
);
var_dump(array_search('car', array_keys($a)));
var_dump(array_search('blue', array_keys($a)));
var_dump(array_search('number', array_keys($a)));
...
How can I compare two lists in python and return matches
... A note of caution, the list comprehension is not necessarily the faster option. For larger sets (where performance is most likely to matter) the bitwise comparison (&) or set(a).intersection(b) will be as fast or faster than list comprehension.
– Joshmaker
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Split large string in n-size chunks in JavaScript
...
For anyone looking for really fast string chunking with performance benchmarks on jsperf, see my answer. Using a regex is the slowest chunking method of all.
– Justin Warkentin
Feb 4 '16 at 17:44
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Increasing the maximum number of TCP/IP connections in Linux
...tl net.ipv4.tcp_tw_recycle=1
sysctl net.ipv4.tcp_tw_reuse=1
This allows fast cycling of sockets in time_wait state and re-using them. But before you do this change make sure that this does not conflict with the protocols that you would use for the application that needs these sockets. Make sure t...
Linux command: How to 'find' only text files?
... across it and thought I'd share my method which I have found to be a very fast way to use find to find only non-binary files:
find . -type f -exec grep -Iq . {} \; -print
The -I option to grep tells it to immediately ignore binary files and the . option along with the -q will make it immediately...