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Get an array of list element contents in jQuery
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api.jquery.com/map explains why there's a .get() necessary ("As the return value is a jQuery-wrapped array, it's very common to get() the returned object to work with a basic array.").
– Kitto
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Determine when a ViewPager changes pages
...lStateChanged(int state) { }
});
Hope this help :)
Edit:
As per android APIs, setOnPageChangeListener (ViewPager.OnPageChangeListener listener) is deprecated. Please check this url:- Android ViewPager API
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Using printf with a non-null terminated string
...or me it's very useful when I receive a non-null terminated string from an API (some windows API do this!) and have to return it in a 'reasonable' way. So: long life to %.*s (or %.*S which will also make the conversion UNICODE <-> SINGLE-BYTE for you! ;) )
– FrizzTheSnail...
How to read/write from/to file using Go?
...mpatible list of all the ways to read and write files in Go.
Because file API has changed recently and most other answers don't work with Go 1. They also miss bufio which is important IMHO.
In the following examples I copy a file by reading from it and writing to the destination file.
Start with ...
How to get a substring of text?
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Since you tagged it Rails, you can use truncate:
http://api.rubyonrails.org/classes/ActionView/Helpers/TextHelper.html#method-i-truncate
Example:
truncate(@text, :length => 17)
Excerpt is nice to know too, it lets you display an excerpt of a text Like so:
excerpt('This i...
Java 8 Iterable.forEach() vs foreach loop
...icult to code, read, and debug. Actually, this is true of complex "fluent" APIs in general. The combination of complex single statements, heavy use of generics, and lack of intermediate variables conspire to produce confusing error messages and frustrate debugging. Instead of "this method doesn't ha...
What is the native keyword in Java for?
...JVM in C: How to call Java functions from C++?
Analogous native extension APIs are also present in many other "VM languages" for the same reasons, e.g. Python, Node.js, Ruby.
Android NDK
The concept is exact the same in this context, except that you have to use Android boilerplate to set it up.
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How to get the tag HTML with JavaScript / jQuery?
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Here's the reference: https://developer.mozilla.org/en-US/docs/Web/API/Document.documentElement.
UPDATE: To then grab the html element as a string you would do:
document.documentElement.outerHTML
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Is null an Object?
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Curiously, of all things, the API doc for NullPointerException makes mention of a »null object« … :) But then, it was also okay to talk about »null pointers« …
– Lumi
Feb 3 '14 at 13:44
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Android studio: why are minSdkVersion and targetSdkVersion specified both in AndroidManifest.xml and
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Strange. It seems that Google decides the minSDK by what API our app calls. Eventhough my app/build.gradle specifies minSDK to be Android 2.2, in Google Play it says minSDK = Android 1.6. And yes, the decompiled AndroidManifest.xml contains no minSDK information. I think this is a ...