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Is there a better way to find out if a local git branch exists?

I am using the following command to find out if a local git branch with branch-name exists in my repository. Is this correct? Is there a better way? ...
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Focus Next Element In Tab Index

...r curIndex = currentElement.tabIndex; //get current elements tab index if(curIndex == lastTabIndex) { //if we are on the last tabindex, go back to the beginning curIndex = 0; } var tabbables = document.querySelectorAll(".tabable"); //get all tabable elements for(var i=0; i&lt...
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How can you detect the version of a browser?

I've been searching around for code that would let me detect if the user visiting the website has Firefox 3 or 4. All I have found is code to detect the type of browser but not the version. ...
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LINQ: When to use SingleOrDefault vs. FirstOrDefault() with filtering criteria

...e that you only want the first one. I personally find the semantics very different and using the appropriate one, depending on the expected results, improves readability. share | improve this answe...
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How to check if a Constraint exists in Sql server?

...RE type_desc LIKE '%CONSTRAINT' AND OBJECT_NAME(OBJECT_ID)='XYZ' If you need even more constraint information, look inside the system stored procedure master.sys.sp_helpconstraint to see how to get certain information. To view the source code using SQL Server Management Studio get into th...
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Is Tomcat running?

Interested to know how people usually check to see if Tomcat is running on a Unix environment. 17 Answers ...
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Check if array is empty or null

I would like to know how to check if an array is empty or null in jQuery. I tried array.length === 0 but it didn't work. It did not throw any error either. ...
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How do write IF ELSE statement in a MySQL query

How do I write an IF ELSE statement in a MySQL query? 5 Answers 5 ...
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How to determine if a number is odd in JavaScript

Can anyone point me to some code to determine if a number in JavaScript is even or odd? 27 Answers ...
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Select elements by attribute

...ome of them have an extra attribute. Is it possible to use JQuery to check if an element has a specific attribute? For example, can I verify if the following element has the attribute "myattr"? The value of the attribute can vary. ...