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linux: kill background task

... There's a special variable for this in bash: kill $! $! expands to the PID of the last process executed in the background. share | improve this answer | follo...
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Passing an array by reference

... It's not right to left, it's inside out, and [] binds tighter than &. – philipxy May 6 '17 at 3:10 add a comment  |  ...
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vim command to restructure/force text to 80 columns

... ). What I am looking for is something similar to = (the indent line command) but to wrap to 80. The use case is sometimes you edit text with textwidth and after joining lines or deleting/adding text it comes out poorly wrapped. ...
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ActiveRecord, has_many :through, and Polymorphic Associations

...owever, is there any way to accomplish this these days without source_type and two separate associations? – Emeka Feb 27 '16 at 15:27 ...
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Passing properties by reference in C#

... And I think a better name for the solution 3 is Reflection. – Jaider Nov 5 '12 at 17:07 1 ...
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The ALTER TABLE statement conflicted with the FOREIGN KEY constraint

...u tried to create a foreign key from tblDomare.PersNR to tblBana.BanNR but/and the values in tblDomare.PersNR didn't match with any of the values in tblBana.BanNR. You cannot create a relation which violates referential integrity. ...
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CSS word-wrapping in div

...nertext is wider than that i want it to break down. The div is float: left and now has an overflow. I want the scrollbar to go away by using word-wrapping. How can i achieve this? ...
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How can I split and trim a string into parts all on one line?

...gt; p.Trim()).ToList(); FYI, the Foreach method takes an Action (takes T and returns void) for parameter, and your lambda return a string as string.Trim return a string Foreach extension method is meant to modify the state of objects within the collection. As string are immutable, this would have...
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What is the use of “ref” for reference-type variables in C#?

I understand that if I pass a value-type ( int , struct , etc.) as a parameter (without the ref keyword), a copy of that variable is passed to the method, but if I use the ref keyword a reference to that variable is passed, not a new one. ...
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Align image in center and middle within div

...to use block? I worked for me, but not sure why block will center the img and inline will not. – user3731622 Jan 11 '16 at 20:07 ...