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Read binary file as string in Ruby
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edited Jul 10 '12 at 7:57
Rory O'Kane
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How can I get System variable value in Java?
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191
Use the System.getenv(String) method, passing the name of the variable to read.
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How to exit from PostgreSQL command line utility: psql
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Type \q and then press ENTER to quit psql.
UPDATE: 19-OCT-2018
As of PostgreSQL 11, the keywords "quit" and "exit" in the PostgreSQL command-line interface have been included to help make it easier to leave the command-line tool.
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Exporting a function in shell
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105
The export -f feature is specific to Bash:
parent
#!/bin/bash
plus1 () { echo $(($1 + 1)); }...
NameValueCollection vs Dictionary [duplicate]
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126
They aren't semantically identical. The NameValueCollection can have duplicate keys while the ...
Only get hash value using md5sum (without filename)
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15 Answers
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Change the current directory from a Bash script
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15 Answers
15
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Checking if form has been submitted - PHP
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193
For general check if there was a POST action use:
if (!empty($_POST))
EDIT: As stated in t...
Saving timestamp in mysql table using php
...ta type. I am saving data into that table. But when I pass the timestamp ( 1299762201428 ) to the record, it automatically saves the value 0000-00-00 00:00:00 into that table.
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