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Difference in System. exit(0) , System.exit(-1), System.exit(1 ) in Java
...ght have been documented as write error; error code 2 might be read error, etc.
– Nylon Smile
Mar 20 '14 at 1:38
It's ...
Fastest way to implode an associative array with keys
...d the best way to implode an associative array but using my own seperators etc...
So I did this using PHP's array_walk() function to let me join an associative array into a list of parameters that could then be applied to a HTML tag....
// Create Params Array
$p = Array("id"=>"blar","class"=>...
How can I drop all the tables in a PostgreSQL database?
...
Note that this will also delete all functions, views, etc defined in the public schema.
– Brad Koch
Mar 24 '13 at 0:15
5
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How to change Elasticsearch max memory size
...one of the above answers worked for me.
I tried changing ES_HEAP_SIZE in /etc/default/elasticsearch and in etc/init.d/elasticsearch, but when I ran ps aux | grep elasticsearch the output still showed:
/usr/bin/java -Xms2g -Xmx2g # aka 2G min and max ram
I had to make these changes in:
/etc/elas...
Python list iterator behavior and next(iterator)
...i), 1 the return value from next(), echoed by the interactive interpreter, etc. There are just 5 iterations, each iteration resulting in 2 lines being written to the terminal.
If you assign the output of next() things work as expected:
>>> a = iter(list(range(10)))
>>> for i in a...
rails + MySQL on OSX: Library not loaded: libmysqlclient.18.dylib
...of the other workarounds. Sometimes you have to rely on magical symlinks, etc, but it makes your system increasingly more and more brittle. (If it does not work, no harm is done and nothing to undo.)
– Tom Wilson
Dec 20 '16 at 18:51
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How to get device make and model on iOS?
... the iPad Pro models (both sizes). For future reference, the model numbers/etc. can be found in The iPhone Wiki.
Edit 3: Add support for iPhone XS, iPhone XS Max and iPhone XR.
Edit 4: Add support for iPhone 11, iPhone 11 Pro and iPhone 11 Pro Max.
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How to run a shell script at startup
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In the file you put in /etc/init.d/ you have to set it executable with:
chmod +x /etc/init.d/start_my_app
Thanks to @meetamit, if this does not run you have to create a symlink to /etc/rc.d/
ln -s /etc/init.d/start_my_app /etc/rc.d/
Please not...
PHP Array to CSV
...' format by built in php function fputcsv takes care of commas, quotes and etc..
Look at
https://coderwall.com/p/zvzwwa/array-to-comma-separated-string-in-php
http://www.php.net/manual/en/function.fputcsv.php
share
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How do I find and view a TFS changeset by comment text?
...ced it's really looking for the local map path, so it was C:\tfs\myfolders\etc, not the url path from the server's point of view.
– goodeye
Oct 7 '11 at 0:46
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