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Using multiple delimiters in awk
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I've tried this on 2 different distros and I get the same behavior: I want to get the port from netstat -ntpl "netstat -ntpl |sed 's/:/ /' |awk '{print $5}' " works but could do without doulbe piping This works but I was not expecting the data on ...
No Exception while type casting with a null in java
...ow null pointer because it first checks whether the object is null or not. If null then it simply prints the string "null". Otherwise it will call the toString method of that object.
Adding more details: Internally print methods call String.valueOf(object) method on the input object. And in valueOf...
What are the differences between a multidimensional array and an array of arrays in C#?
What are the differences between multidimensional arrays double[,] and array-of-arrays double[][] in C#?
9 Answers
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How do I save a UIImage to a file?
If I have a UIImage from an imagePicker, how can I save it to a subfolder in the documents directory?
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How to filter git diff based on file extensions?
Is there an option to restrict git diff to a given set of file extensions?
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Generate MD5 hash string with T-SQL
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None of the other answers worked for me. Note that SQL Server will give different results if you pass in a hard-coded string versus feed it from a column in your result set. Below is the magic that worked for me to give a perfect match between SQL Server and MySql
select LOWER(CONVERT(VARCHAR(32)...
Identify user in a Bash script called by sudo
If I create the script /root/bin/whoami.sh containing:
7 Answers
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Completion block for popViewController
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I put this in an extension of UINavigationController in Swift: extension UINavigationController { func popViewControllerWithHandler(handler: ()->()) { CATransaction.begin() CATransaction.setCompletionBlock(handler) self.popViewControllerAnimated(true) ...
Get Android Device Name [duplicate]
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Just to clarify - BUILD.MODEL only gives the device's model number and not the device's name. For example, GT-I9100 instead of Samsung Galaxy S2. If you want the model's name, you'll have to provide your own list and match it against a c...
How can I archive git branches?
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I believe the proper way to do this is to tag the branch. If you delete the branch after you have tagged it then you've effectively kept the branch around but it won't clutter your branch list.
If you need to go back to the branch just check out the tag. It will effectively restore...