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bash: mkvirtualenv: command not found
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If you install using your distro's package manager, files will be in /usr/bin instead of /usr/local/bin. Generally, you should not assume one or the other to be found; that's one of the reasons we have a PATH variable.
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Can't stop rails server
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If Webrick is running, then its PID is in {APP_ROOT}/tmp/pids/server.pid file so you don't have to look for it -- as long as server is running. So, if instead of doing ctrl-c you just run that kill command in another terminal...
How can I grep for a string that begins with a dash/hyphen?
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If you want to use with variable having spaces you should use something like this: ARGS="-a -b -c" grep -- "$ARGS"
– zapstar
Dec 16 '14 at 15:48
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Simultaneously merge multiple data.frames in a list
... data.frames that I want to merge. The issue here is that each data.frame differs in terms of the number of rows and columns, but they all share the key variables (which I've called "var1" and "var2" in the code below). If the data.frames were identical in terms of columns, I could merely rbind...
Delete all local git branches
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The 'git branch -d' subcommand can delete more than one branch. So, simplifying @sblom's answer but adding a critical xargs:
git branch -D `git branch --merged | grep -v \* | xargs`
or, further simplified to:
git branch --merged | grep -v \* | xargs git branch -D
Importantly, as noted by @A...
Returning anonymous type in C#
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@frenchie: Yes, only inside member's body. If you want to return it - make it a well-known type.
– abatishchev
Apr 9 '12 at 12:45
11
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Difference between json.js and json2.js
Can someone tell me what the difference is between the 2 JSON parsers?
3 Answers
3
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Can I use twitter bootstrap without jquery?
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Twitter bootstrap itself isn't jQuery dependant.
If you use just the CSS part of it, you won't need jQuery.
If you use the Javascript plugins you need jQuery, since they are jQuery plugins.
v3: http://getbootstrap.com/javascript/
v4: https://getbootstrap.com/docs/4.0/ge...
Prevent Bootstrap Modal from disappearing when clicking outside or pressing escape? [duplicate]
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If using JavaScript then:
$('#myModal').modal({
backdrop: 'static',
keyboard: false
})
or in HTML:
<a data-controls-modal="your_div_id" data-backdrop="static" data-keyboard="false" href="#">
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JPA - Returning an auto generated id after persist()
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Yes, there is: unnecessary roundtrip to the database if the transaction ends up being rollbacked, potential exceptions if the persisted entity (or other flushed entities) is not in a valid state yet. A sequence or uuid generator is simpler and more efficient, and doesn't have t...