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GUI Tool for PostgreSQL [closed]
...ating constraints didn't work... It really is crap, how is it the most prolific GUI for Postgres?
– heisian
Apr 17 '18 at 17:40
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Accessing JSON object keys having spaces [duplicate]
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What's difference between the question and answer?
– Sahu V Kumar
Nov 11 '18 at 23:36
add a comment
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Temporarily change current working directory in bash to run a command [duplicate]
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Not necessarily a good solution if run_stuff can fail (and the script exits). You'd be stuck in SOME_PATH.
– ron rothman
Aug 8 '13 at 0:58
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“while :” vs. “while true” [duplicate]
...e command does nothing beyond expanding arguments and performing any specified
redirections. A zero exit code is returned.
As this returns always zero therefore is is similar to be used as true
Check out this answer: What Is the Purpose of the `:' (colon) GNU Bash Builtin?
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Python: Fetch first 10 results from a list [duplicate]
...sing slicing.
However, note, it's best not to use list as a variable identifier as it's already used by Python: list()
To find out more about these type of operations you might find this tutorial on lists helpful and the link @DarenThomas provided Explain Python's slice notation - thanks Daren)
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python .replace() regex [duplicate]
... replace non-everlaping instances of pattern by the text passed as string. If you need to analyze the match to extract information about specific group captures, for instance, you can pass a function to the string argument. more info here.
Examples
>>> import re
>>> re.sub(r'a', ...
ffmpeg - Converting MOV files to MP4 [closed]
...able-of-contents. The Quicktime (mov) and MPEG (mp4) container work quite different, technically. If you just rename a Quicktime file into mp4, you pretend it to be a MPEG video, but it still remains a Quicktime container. Please note: since you use the copy for the codec parameter, you tell FFMpeg ...
Differences for a certain folder between git branches [duplicate]
As in the title, I want to have a diff file for a certain folder between the master branch and a branch I have created.
2 A...
Accessing clicked element in angularjs
.... In reality, though, it's probably not the best idea to reference dom-specific stuff like this in your controller. Generally when $event is used, it's in the context of stopping propagation or the like: <a ng-click="doSomething(); $event.stopPropagation()">Click Just Me</a>
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Pass column name in data.table using variable [duplicate]
...] "b" "b" "b" "a" "a"
With a single column name, the result is a vector. If you want a data.table result, or several columns, use list form
temp <- quote(list(x, v))
DT[ , eval(temp)]
# x v
# 1: b 1.52566586
# 2: b 0.66057253
# 3: b -1.29654641
# 4: a -1.71998260
# 5: a 0.031599...