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send mail from linux terminal in one line [closed]
I know there is the command mail in linux to send emails via command line. How can I send an simple email with one line from the terminal though?
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How to check for null in Twig?
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And to check if something is not null, simply do {% if var is not null %}
– J.-B. C.
Sep 6 '12 at 19:31
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What does it mean if a Python object is “subscriptable” or not?
... meaning they contain other objects. This includes strings, lists, tuples, and dictionaries.
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Difference between make and build in Android Studio
The Android Studio Build menu has options including
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Error: Cannot pull with rebase: You have unstaged changes
...if you wanted to keep them. After pulling, you would then do git stash pop and your changes would be reapplied.
git status also has how to get rid of changes depending on if the file is staged for commit or not.
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How can I visualize per-character differences in a unified diff file?
...y; otherwise type M-x diff-mode RET), go to the hunk you are interested in and hit C-c C-b for refine-hunk. Or step through the file one hunk at a time with M-n; that will do the refining automatically.
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Disable cross domain web security in Firefox
...-ons (some of which don't work in the latest Firefox or don't work at all) and "you just need to enable support on the server".
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How can I check if a view is visible or not in Android? [duplicate]
I set visibility to invisible like this on Android:
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How to detect input type=file “change” for the same file?
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You can trick it. Remove the file element and add it in the same place on change event. It will erase the file path making it changeable every time.
Example on jsFiddle.
Or you can simply use .prop("value", ""), see this example on jsFiddle.
jQuery 1.6+ prop
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How to get UILabel to respond to tap?
I have discovered that I can create UILabel much faster than UITextField and I plan to use UILabel most of the time for my data display app.
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