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How many system resources will be held for keeping 1,000,000 websocket open? [closed]
...al info on how the kernel was tuned? max file descriptors/tcp window sizes etc?
– quixver
Jun 21 '14 at 21:14
15
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Getting a list of files in a directory with a glob
...t, the glob function looks for files in the current working directory. In order to search another directory you'll need to prepend the directory name to the globbing pattern as I've done in my example to get all of the files in /bin.
You are responsible for cleaning up the memory allocated by glob ...
How do you run JavaScript script through the Terminal?
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You would need a JavaScript engine (such as Mozilla's Rhino) in order to evaluate the script - exactly as you do for Python, though the latter ships with the standard distribution.
If you have Rhino (or alternative) installed and on your path, then running JS can indeed be as simple as
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What are the -Xms and -Xmx parameters when starting JVM?
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Is there any way I can define a variable in LaTeX?
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HTML button to NOT submit form
... little peculiarity of HTML... That button needs to be of type "button" in order to not submit.
<button type="button">My Button</button>
Update 5-Feb-2019: As per the HTML Living Standard (and also HTML 5 specification):
The missing value default and invalid value default are th...
String length in bytes in JavaScript
... variable that can result in a mismatch. UTF-8 should be the network-byte-order of character encodings.
– Mike Samuel
Apr 1 '11 at 21:34
4
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Is there a point to minifying PHP?
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You don't need to minify PHP.
In order to get a better performance, install an Opcode cache; but the ideal solution would be to upgrade your PHP to the 5.5 version or above because the newer versions have an opcode cache by default called Zend Optimiser that...
Kill a postgresql session/connection
... ActiveRecord::Base.connection.select_all("select * from pg_stat_activity order by procpid;").each do |x|
if config['database'] == x['datname'] && x['current_query'] =~ /<IDLE>/
ActiveRecord::Base.connection.execute("select pg_terminate_backend(#{x['procpid']})")
e...
Build unsigned APK file with Android Studio
...gned APK with Gradle you can simply build your application with gradle.
In order to do that:
click on the drop down menu on the toolbar at the top (usually with android icon and name of your application)
select Edit configurations
click plus sign at top left corner or press alt+insert
select Gradl...