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(Built-in) way in JavaScript to check if a string is a valid number

I'm hoping there's something in the same conceptual space as the old VB6 IsNumeric() function? 37 Answers ...
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what does -webkit-transform: translate3d(0,0,0); exactly do? Apply to body?

what does -webkit-transform: translate3d(0,0,0); exactly do? Does it have any performance issues? Should I just apply it to the body or individual elements? It seems to improve scroll events drastically. ...
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Insert Update trigger how to determine if insert or update

I need to write an Insert, Update Trigger on table A which will delete all rows from table B whose one column (say Desc) has values like the value inserted/updated in the table A's column (say Col1). How would I go around writing it so that I can handle both Update and Insert cases. How would I dete...
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How to properly assert that an exception gets raised in pytest?

How to make pytest print traceback, so I would see where in the whatever function an exception was raised? 11 Answers ...
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Customizing the template within a Directive

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What does the Q_OBJECT macro do? Why do all Qt objects need this macro?

I just started using Qt and noticed that all the example class definitions have the macro Q_OBJECT as the first line. What is the purpose of this preprocessor macro? ...
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How do I join two SQLite tables in my Android application?

I have an Android project that has a database with two tables: tbl_question and tbl_alternative . 4 Answers ...
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Git cherry pick vs rebase

I have recently started working with Git. 6 Answers 6 ...
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Difference between Rebuild and Clean + Build in Visual Studio

What is the difference between just a Rebuild and doing a Clean + Build in Visual Studio 2008? Is Clean + Build different then doing Clean + Rebuild ? ...
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What are the obj and bin folders (created by Visual Studio) used for?

I created a new project in Visual Studio 2010 and noticed that there are now two new folders named obj and bin in my project directory. ...