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How do I load my script into the node.js REPL?
...the .load command within the REPL, like such:
.load foo.js
It loads the file in line by line just as if you had typed it in the REPL. Unlike require this pollutes the REPL history with the commands you loaded. However, it has the advantage of being repeatable because it is not cached like requi...
How to deal with a slow SecureRandom generator?
...but-slightly-less-secure /dev/urandom on Linux using:
-Djava.security.egd=file:/dev/urandom
However, this doesn't work with Java 5 and later (Java Bug 6202721). The suggested work-around is to use:
-Djava.security.egd=file:/dev/./urandom
(note the extra /./)
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C: Run a System Command and Get Output? [duplicate]
...ext printed to screen. Is there a more elegant way than making a temporary file?
3 Answers
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How to list the tables in a SQLite database file that was opened with ATTACH?
... list the tables, and the rows within those tables in an SQLite database file - once I have attached it with the ATTACH command on the SQLite 3 command line tool?
...
MySQL load NULL values from CSV data
I have a file that can contain from 3 to 4 columns of numerical values which are separated by comma. Empty fields are defined with the exception when they are at the end of the row:
...
How do I run a shell script without using “sh” or “bash” commands?
...
Add a "shebang" at the top of your file:
#!/bin/bash
And make your file executable (chmod +x script.sh).
Finally, modify your path to add the directory where your script is located:
export PATH=$PATH:/appropriate/directory
(typically, you want $HOME/bin...
Retrieve version from maven pom.xml in code
...
Assuming you're using Java, you can:
Create a .properties file in (most commonly) your src/main/resources directory (but in step 4 you could tell it to look elsewhere).
Set the value of some property in your .properties file using the standard Maven property for project version:
fo...
How do I create a namespace package in Python?
...t that can be created by an import foo:
A module represented by a foo.py file
A regular package, represented by a directory foo containing an __init__.py file
A namespace package, represented by one or more directories foo without any __init__.py files
Packages are modules too, but here I mean "...
How do you debug PHP scripts? [closed]
...register_shutdown_function('shutdown_handler');
function assert_callcack($file, $line, $message) {
throw new Customizable_Exception($message, null, $file, $line);
}
function error_handler($errno, $error, $file, $line, $vars) {
if ($errno === 0 || ($errno & error_reporting()) === 0) {
...
How to run a PowerShell script
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If you are on PowerShell 2.0, use PowerShell.exe's -File parameter to invoke a script from another environment, like cmd.exe. For example:
Powershell.exe -File C:\my_path\yada_yada\run_import_script.ps1
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