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Multiple left-hand assignment with JavaScript
...er on: v1 = v2 = v3 = 6; They'll still be in local scope. Since David mentioned alerts, this would work as expected (if pre-var'd): alert(v1 = v2 = v3 = 6);
– ShawnFumo
Sep 10 '13 at 20:11
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MISCONF Redis is configured to save RDB snapshots
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For those unfortunate ones who are on Windows, me at the moment, and whoa are using the MSOpenTech version, you have to set directory path in the following style: dir C:/Temp/. Do a bgsave to verify that it works..
– John P
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How do I syntax check a Bash script without running it?
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As mentioned above, trusty dependency needed, and can install it as below in ubuntu 14.04: sudo apt-get -f install, then: sudo sudo apt-get install shellcheck
– zhihong
Dec 8 '16 at 15:32
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How to set environment variable for everyone under my linux system?
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As well as /etc/profile which others have mentioned, some Linux systems now use a directory /etc/profile.d/; any .sh files in there will be sourced by /etc/profile. It's slightly neater to keep your custom environment stuff in these files than to just edit /etc/profile.
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How to set the margin or padding as percentage of height of parent container?
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To make the child element positioned absolutely from its parent element you need to set relative position on the parent element AND absolute position on the child element.
Then on the child element 'top' is relative to the height of the parent. So you als...
Laravel Migration Change to Make a Column Nullable
... edited Sep 16 '19 at 22:34
kjones
76811 gold badge55 silver badges2424 bronze badges
answered Mar 8 '15 at 15:01
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What's the “Content-Length” field in HTTP header?
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One octet is 8 bits. Content-length is the number of octets that the message body represents.
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Detect if device is iOS
...o covers iOS 13:
function iOS() {
return [
'iPad Simulator',
'iPhone Simulator',
'iPod Simulator',
'iPad',
'iPhone',
'iPod'
].includes(navigator.platform)
// iPad on iOS 13 detection
|| (navigator.userAgent.includes("Mac") && "ontouchend" in document)
}
iOS w...
AngularJS : Factory and Service? [duplicate]
...pothetical Scenario)
Singleton and will only be created once
Reusable components
Factory are a great way for communicating between controllers like sharing data.
Can use other dependencies
Usually used when the service instance requires complex creation logic
Cannot be injected in .config() functio...
Is int[] a reference type or a value type?
...st I want to tell you that Array is a reference type. Why? I explain throw one example over here.
Example:
int val = 0; // this is a value type ok
int[] val1 = new int[20] // this is a reference type because space required to store 20 integer value that make array allocated on the heap.
Also ref...