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How to print matched regex pattern using awk?

...Relevant manual page: https://www.gnu.org/software/sed/manual/sed.html#Back_002dreferences-and-Subexpressions share | improve this answer | follow | ...
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Checking for an empty field with MySQL

... I have same comment as Quassnoi's. I issue "select orig_id,hotline from normal_1952 where !(hotline > '')" and there's one record with null hotline but it doesn't match.I'm using MySQL 5.6 – Scott Chu Apr 15 '16 at 10:16 ...
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Getting an “ambiguous redirect” error

... Do you have a variable named OUPUT_RESULTS or is it the more likely OUTPUT_RESULTS? michael@isolde:~/junk$ ABC=junk.txt michael@isolde:~/junk$ echo "Booger" > $ABC michael@isolde:~/junk$ echo "Booger" >> $ABB bash: $ABB: ambiguous redirect michael...
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Unlink of file failed

...nd try again your git pull. Note that you have an alternative with the GIT_ASK_YESNO variable. Update January 2019: That should be even more fixed, with Git 2.21 (Q1 2019), as "git gc" and "git repack" did not close the open packfiles that they found unneeded before removing them, which didn't ...
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How to include view/partial specific styling in AngularJS

...l', controller: 'Partial3Ctrl', css: ['css/partial3_1.css','css/partial3_2.css'] }) }]); This config adds a custom css property to the object that is used to setup each page's route. That object gets passed to each '$routeChangeStart' event as .$$route. So when lis...
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How do I determine file encoding in OS X?

...enca and you have to specify language but none works, so: enca FILENAME -L __ – Shane Jul 30 '18 at 20:27 ...
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jquery select change event get selected option

... How to check in case of multiple select? – Hemant_Negi May 25 '15 at 5:34 3 @AdrianFöder For...
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ToList()— does it create a new list?

...tatic void RunChangeList() { var objs = Enumerable.Range(0, 10).Select(_ => new MyObject() { SimpleInt = 0 }); var whatInt = ChangeToList(objs); // whatInt gets 0 } public static int ChangeToList(IEnumerable<MyObject> objects) { var objectList = objects.ToList(); objectLi...
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What's the absurd function in Data.Void useful for?

... f -> onAwait $ \x -> foldConsumer onPure onAwait (f x) Yield x _ -> absurd x or alternatively, that you can ignore the yield case when dealing with consumers. This is the general version of this design pattern: use polymorphic data types and Void to get rid of possibilities when yo...
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How does this site infecting script work?

...g how to protect if you know their backdoors. I changed forms and reading $_POST and $_GET with replacing <> and http:// etc. share | improve this answer | follow ...