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How to get a substring of text?

... 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...
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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...
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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?

...ement 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 share | ...
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Is null an Object?

... 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

... 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 ...
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EF Code First foreign key without navigation property

... With EF Code First Fluent API it is impossible. You always need at least one navigation property to create a foreign key constraint in the database. If you are using Code First Migrations you have the option to add a new code based migration on the p...
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How to post JSON to PHP with curl

...dition of json_decode() providing a \stdClass object. I used it for Garmin API ping responses – JI-Web Mar 31 '17 at 0:21 ...
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Set title background color

... This was introduced in API 11 (3.0 Honeycomb) which is certainly outdated enough at this point to consider this a valid option. – zgc7009 Nov 21 '16 at 20:17 ...
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.war vs .ear file

...er. The Web container hosts Web applications based on JSP or the Servlets API - designed specifically for web request handling - so more of a request/response style of distributed computing. A Web container requires the Web module to be packaged as a WAR file - that is a special JAR file with a web...