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Simple logical operators in Bash

... What you've written actually almost works (it would work if all the variables were numbers), but it's not an idiomatic way at all. (…) parentheses indicate a subshell. What's inside them isn't an expression like in many other languages. It's a l...
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Python Request Post with param data

This is the raw request for an API call: 3 Answers 3 ...
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How to delete a file from SD card?

... I think Inner children are not deleted.. you have to delete all inner childs.See my answer below.. – AndroidGeek May 15 '14 at 7:56 2 ...
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Difference between rake db:migrate db:reset and db:schema:load

...drop, db:setup db:migrate:reset does db:drop, db:create, db:migrate Typically, you would use db:migrate after having made changes to the schema via new migration files (this makes sense only if there is already data in the database). db:schema:load is used when you setup a new instance of your app...
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What components are MVC in JSF MVC framework?

...e as below: M - Entity V - Facelets/JSP page C - Managed bean In the smaller client picture, the developer V is in turn dividable as below: M - JSF component tree V - Rendered HTML output C - Client (webbrowser) In the yet smaller JavaScript picture, the client V is in turn dividable as below:...
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How to calculate time in hours between two dates in iOS

...ate: (NSDate *) dateT { NSMutableString *timeLeft = [[NSMutableString alloc]init]; NSDate *today10am =[NSDate date]; NSInteger seconds = [today10am timeIntervalSinceDate:dateT]; NSInteger days = (int) (floor(seconds / (3600 * 24))); if(days) seconds -= days * 3600 * 24; ...
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Datatable vs Dataset

... It really depends on the sort of data you're bringing back. Since a DataSet is (in effect) just a collection of DataTable objects, you can return multiple distinct sets of data into a single, and therefore more manageable, object...
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Ruby: Change negative number to positive number?

... abs returns an absolute value. If that's all you want, as the OP does, it's fine. But what if you need to go back and forth? – absynthe minded web smith Mar 21 '18 at 3:45 ...
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How to assertThat something is null with Hamcrest?

... +1 I generally prefer Hamscrest assertions but this is one case where the Junit assertion is just more readable, IMO. – spaaarky21 Oct 31 '14 at 18:16 ...
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How to select .NET 4.5.2 as a target framework in Visual Studio

I have installed .NET Framework 4.5.2 on Windows 8.1. But in Visual Studio 2013 I do not see the .NET Framework 4.5.2 option (see screenshot). How do I target my project for .NET 4.5.2? ...