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How to read from a file or STDIN in Bash?
The following Perl script ( my.pl ) can read from either the file on the command line args or from STDIN:
15 Answers
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How can I make a Python script standalone executable to run without ANY dependency?
...ems it still need Python to run compiled executable. Do you mean compiling script to .pyc using Cython? (I didn't know if Cython has such feature)
– Jeff
Mar 28 '11 at 12:18
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How to limit google autocomplete results to City and Country only
I am using google autocomplete places javascript to return suggested results for my searchbox , what I need is to only show the city and the country related to the characters entered but google api will give a lot of general places results which I dont need , so how to limit the result to show only ...
How do I implement basic “Long Polling”?
...chance of returning an error 404 (to show error handling in the coming Javascript example)
msgsrv.php
<?php
if(rand(1,3) == 1){
/* Fake an error */
header("HTTP/1.0 404 Not Found");
die();
}
/* Send a string after a random number of seconds (2-10) */
sleep(rand(2,10));
echo("Hi! Ha...
Postgresql: Scripting psql execution with password
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PGPASSWORD=[your password] psql -Umyuser < myscript.sql
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How to tell if a string is not defined in a Bash shell script
...se it echoes nothing) "VAR is set but its value might be empty". Try this script:
(
unset VAR
if [ -z "${VAR+xxx}" ]; then echo JL:1 VAR is not set at all; fi
if [ -z "${VAR}" ]; then echo MP:1 VAR is not set at all; fi
VAR=
if [ -z "${VAR+xxx}" ]; then echo JL:2 VAR is not set at all; fi
if [ ...
RVM is not working in ZSH
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Do you have this line in your ~/.zshrc?
[[ -s "$HOME/.rvm/scripts/rvm" ]] && . "$HOME/.rvm/scripts/rvm"
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Export and Import all MySQL databases at one time
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You can simplify/improve the script a bit: Replace the 9th line [databases=...] with these two lines: ExcludeDatabases="Database|information_schema|performance_schema|mysql" [next line] databases=`-u $USER -p$PASWORD -e "SHOW DATABASES;" | tr -d "| " | e...
Can I install Python 3.x and 2.x on the same Windows computer?
...rs into %SYSTEMROOT% (C:\Windows) which is then associated with py and pyw scripts, respectively.
In order to use the new launcher (without manually setting up your own associations to it), leave the "Register Extensions" option enabled. I'm not quite sure why, but on my machine it left Py 2.7 as ...
Google MAP API Uncaught TypeError: Cannot read property 'offsetWidth' of null
...is problem is usually due to the map div not being rendered before the javascript runs that needs to access it.
You should put your initialization code inside an onload function or at the bottom of your HTML file, just before the tag, so the DOM is completely rendered before it executes (note that...