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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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Set HTTP header for one request
...("Access-Control-Allow-Methods: GET, POST, OPTIONS, PUT, DELETE");
if ( "OPTIONS" === $_SERVER['REQUEST_METHOD'] ) {
die();
}
if(!$this->input->get_request_header('Authorization')){
$this->response(null, 400);
}
$this->...
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...
NSInvalidUnarchiveOperationException: Could not instantiate class named NSLayoutConstraint
... of the Autolayout system, and it doesn't exist in older versions of iOS.
If you want to deploy your app to an older version of iOS, you need to change your storyboard or XIB to not use Autolayout. It's a checkbox in the File Inspector:
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