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node and Error: EMFILE, too many open files
...ix your wagon if your issue is with sockets.)
From My Blog Article: http://www.blakerobertson.com/devlog/2014/1/11/how-to-determine-whats-causing-error-connect-emfile-nodejs.html
How To Isolate
This command will output the number of open handles for nodejs processes:
lsof -i -n -P | grep nodejs
COM...
Trimming a huge (3.5 GB) csv file to read into R
...o a bigmemory object and do the reduction completely within R. See http://www.bigmemory.org/ for a set of tools to handle this.
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What are DDL and DML?
...from a table, including all spaces allocated for the records are removed
COMMENT – add comments to the data dictionary
RENAME – rename an object
DML
DML is short name of Data Manipulation Language which deals with data
manipulation, and includes most common SQL statements such...
Javascript - get array of dates between 2 dates
... John HartsockJohn Hartsock
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How to build & install GLFW 3 and use it in a Linux project
...atest version (assuming versions in the future work in a similar way) from www.glfw.org, probably using this link.
The next step is to extract the archive, and open a terminal. cd into the glfw-3.X.X directory and run cmake -G "Unix Makefiles" you may need elevated privileges, and you may also need ...
Accurate way to measure execution times of php scripts
... I know this is waaaaaay too late (almost 4 years), but as a comment... using these calculations (with the parameter get_as_float as true) will give you results in seconds, according to PHP documentation.
– Alejandro Iván
Mar 31 '15 at 2:34
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Named string formatting in C#
...eally the same. You cannot pass interpolated strings around: stackoverflow.com/q/31987232/213725
– DixonD
Sep 9 '15 at 18:20
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PHP cURL custom headers
...ay(
'X-Apple-Tz: 0',
'X-Apple-Store-Front: 143444,12'
));
http://www.php.net/manual/en/function.curl-setopt.php
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How to use glOrtho() in OpenGL?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Is the practice of returning a C++ reference variable evil?
...rn 0;
}
If the lifetime should be left up to the caller, and you're just computing the value.
Summary: it's okay to return a reference if the lifetime of the object won't end after the call.
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