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How to represent multiple conditions in a shell if statement?
... "$g" -eq 2 -a "$c" = "456" \) ]
then echo abc
else echo efg
fi
I've enclosed the references to $g in double quotes; that's good practice, in general. Strictly, the parentheses aren't needed because the precedence of -a and -o makes it correct even without them.
Note that the -a and -o operators...
Detect Safari browser
...
That's because all browsers on iOS are just wrappers for Safari (with the exception of Opera Mini in Mini mode), including Chrome. This doesn't necessarily mean that they'll all match this test since the userAgent string is up to the wrapper. You might want...
How to use multiple AWS Accounts from the command line?
I've got two different apps that I am hosting (well the second one is about to go up) on Amazon EC2.
7 Answers
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How to Set AllowOverride all
...f/
Open the file httpd.conf in Notepad.
Find this line:
#LoadModule vhost_alias_module modules/mod_vhost_alias.so
Remove the hash symbol:
LoadModule vhost_alias_module modules/mod_vhost_alias.so
Then goto <Directory />
and change to:
<Directory />
Options FollowSymLink...
How do you change the size of figures drawn with matplotlib?
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I'm using this on OS X under ipython 3.7, matplotlib 3.0.3. I am able to adjust the figure size, but the window does not resize (the figure canvas adjusts, but the window does not grow or shrink to accommodate the canvas). The forward=True k...
What is the current state of the art in HTML canvas JavaScript libraries and frameworks? [closed]
...n github (open-sourced under MIT License)
To get started, check out:
Demos (simple & complex, with code to show how they're done)
Fabric.js presentation at FalsyValues (and another one at BK.js)
Wiki on github (including FAQ)
Documentation
Google Group (ask any question there)
Fabric.js on tw...
release Selenium chromedriver.exe from memory
...o run Selenium chromedriver.exe . At the end of the run I have browser.close() to close the instance. ( browser = webdriver.Chrome() ) I believe it should release chromedriver.exe from memory (I'm on Windows 7). However after each run there is one chromedriver.exe instance remain in the memor...
demystify Flask app.secret_key
...entations will be a bit more involved. Also, keep in mind that Flask does most of this for you in the background. So, besides setting values to your cookie (via the session API) and providing a SECRET_KEY, it's not only ill-advised to reimplement this yourself, but there's no need to do so:
A poor ...
How do I solve the INSTALL_FAILED_DEXOPT error?
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Tried almost everything but nothing worked except this one, thanks
– shehzy
Jul 24 '19 at 15:55
1
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How to check size of a file using Bash?
...nux, you'd start with something like stat -c '%s' file.txt, and on BSD/Mac OS X, something like stat -f '%z' file.txt.
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