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Pass all variables from one shell script to another?
...variables can be passed to any process you execute, for example if we used python instead it might look like:
a.sh:
#!/bin/sh
MESSAGE="hello"
export MESSAGE
./b.py
b.py:
#!/usr/bin/python
import os
print 'The message is:', os.environ['MESSAGE']
Sourcing:
Instead we could source like this:...
IntelliJ: Never use wildcard imports
... is to go to Preferences (⌘ + , on macOS / Ctrl + Alt + S on Windows and Linux) > Editor > Code Style > Java > Imports tab set Class count to use import with '*' and Names count to use static import with '*' to a higher value. Any value over 99 seems to work fine.
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The way to check a HDFS directory's size?
I know du -sh in common Linux filesystems. But how to do that with HDFS?
10 Answers
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Run a PHP file in a cron job using CPanel
...php binary path (different in some systems ex: freebsd /usr/local/bin/php, linux: /usr/bin/php)
/home/username/public_html/cron/cron.php should be your php script path
/dev/null should be cron output , ex: /home/username/stdoutx.txt
So you can monitor your cron by viewing cron output /home/usernam...
How can I default a parameter to Guid.Empty in C#?
...od is called in PHP; but only creates one object for the entire program in Python. Really, I consider this to be one of the very few design flaws of Python. I'm somewhat glad C# (and VB.Net) avoided this issue by simply disallowing new objects in default parameters... though there are times where ...
How do I tell CPAN to install all dependencies?
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If you're on linux, add the line export PERL_MM_USE_DEFAULT=1 to your ~/.bashrc
– andersand
May 9 '12 at 13:01
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Locate current file in IntelliJ
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Press Shift + cmd + A (Pretty sure
it's Shift + Ctrl + A for Windows
and Linux)
Type select in...
Select Select in Project View in the suggestion list
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MySQL Workbench: How to keep the connection alive
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OK - so this issue has been driving me crazy - v 6.3.6 on Ubuntu Linux. None of the above solutions worked for me. Connecting to localhost mysql server previously always worked fine. Connecting to remote server always timed out - after about 60 seconds, sometimes after less time, sometimes...
How to view method information in Android Studio?
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If you just need a shortcut, then it is Ctrl + Q on Linux (and Windows).
Just hover the mouse on the method and press Ctrl + Q to see the doc.
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What's the best manner of implementing a social activity stream? [closed]
...for you. Have a look at getstream.io There are clients available for Node, Python, Rails and PHP.
In addition have a look at this high scalability post were we explain some of the design decisions involved:
http://highscalability.com/blog/2013/10/28/design-decisions-for-scaling-your-high-traffic-fe...