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Deleting lines from one file which are in another file
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grep -v -x -f f2 f1 should do the trick.
Explanation:
-v to select non-matching lines
-x to match whole lines only
-f f2 to get patterns from f2
One can instead use grep -F or fgrep to match fixed strings from f2 rather than patterns (in case you want remove the lines in a "what you...
Are nested HTML comments possible?
...ere. Its parent element has to be either the <body> element or a few select others.
– John E
Jan 17 '19 at 14:09
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How to add default value for html ? [closed]
...ontrol" rows="3" name="msg" placeholder="Your message here." onfocus='this.select()'>
<?php if (isset($_POST['encode'])) { echo htmlspecialchars($_POST['msg']);} ?>
</textarea>
In this case, $_POST['encode'] came from this:
<input class="input_bottom btn btn-default" type="submi...
In git, is there a simple way of introducing an unrelated branch to a repository?
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The currently selected answer is correct, I would just add that coincidentally...
This is actually exactly how github.com lets users create Github Pages for their repos, thru an orphaned branch called gh-pages.
The pretty steps are given ...
Intellij IDEA show javadoc automatically
...s)
It's only available when you press CTRL+SPACE It's more usable if you select the pin icon when it popups. The documentation window will be added to the tabs on the right. Later on I recommend to resize the window and to uncheck the Pinned property.
On mouse hover:
File -> Settings -> E...
Resolving a Git conflict with binary files
... --ours -- path/to/file.txt
git checkout --theirs -- path/to/file.txt
to select the version of the file you want. Copying / editing the file will only be necessary if you want a mix of both versions.
Please mark mipadis answer as the correct one.
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TSQL - How to use GO inside of a BEGIN .. END block?
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@gbn @mellamokb: I meant statements like SELECT * <newline> FROM whatever. If I execute every line with its own EXEC statement, that will break. Or are you suggesting I break at every GO statement?
– BlueRaja - Danny Pflughoeft
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How to set top-left alignment for UILabel for iOS application?
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I have no Constraint options when I select a label.
– velkoon
Oct 6 '18 at 0:13
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set up device for development (???????????? no permissions)
...; Storage > Upper right button: USB computer connection > Connect As Select Camera (PTP) instead of Media device (MTP)
– Thaddeus Albers
Jun 19 '15 at 23:23
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Correct way to write loops for promise.
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feels like this should be the selected answer. graceful and very reusable approach.
– ken
Jan 29 '16 at 16:25
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