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In JavaScript, why is “0” equal to false, but when tested by 'if' it is not false by itself?
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From now on, if someone says that he never uses strict comparison operators, I will face him with these tables and make him cry. Still not sure if I grasp the concept of NaN though. I mean, typeof NaN // number but NaN === NaN //...
Checking if an object is a given type in Swift
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In Swift 2.2 - 5 you can now do:
if object is String
{
}
Then to filter your array:
let filteredArray = originalArray.filter({ $0 is Array })
If you have multiple types to check:
switch object
{
case is String:
...
cas...
How to get 0-padded binary representation of an integer in java?
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Yes, I do it now, but I believe there should be another way :) Thank you.
– khachik
Dec 12 '10 at 11:43
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Any way to clear python's IDLE window?
I know there's a similar topic about python console, but I do not know if they are the same. I tried system("clear") and it didn't work here.
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Should Github be used as a CDN for javascript libraries? [closed]
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I hope you know CachedCommons.com is just serving from github.com
– ocodo
Dec 27 '12 at 6:00
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Making HTTP Requests using Chrome Developer tools
...ince the Fetch API is supported by Chrome (and most other browsers), it is now quite easy to make HTTP requests from the devtools console.
To GET a JSON file for instance:
fetch('https://jsonplaceholder.typicode.com/posts/1')
.then(res => res.json())
.then(console.log)
Or to PO...
Xcode 5 - “iOS Simulator failed to install application” every time I switch simulators
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Looks like this is a known issue. From the Xcode 5 release notes:
After switching the minimum deployment target of an application from
iOS 7.0 to a release prior to iOS 7.0, building and running the
application may fail with the message ...
JavaScript: What are .extend and .prototype used for?
...otypeJS, copies all properties from the source to the destination object.
Now about the prototype property, it is a member of function objects, it is part of the language core.
Any function can be used as a constructor, to create new object instances. All functions have this prototype property.
W...
MySQL Workbench: How to keep the connection alive
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From the now unavailable internet archive:
Go to Edit -> Preferences -> SQL Editor and set to a higher value this parameter: DBMS connection read time out (in seconds). For instance: 86400.
Close and reopen MySQL Workbe...
How do I access properties of a javascript object if I don't know the names?
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Now this actually answers the question, well done @Adam Lassek, very nicely done.
– nickl-
Sep 25 '12 at 15:05
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