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What's an easy way to read random line from a file in Unix command line?
...y default) on *BSD systems (or Mac?). @Tracker1's perl one-liner below is more portable (and by my tests, is slightly faster).
– Adam Katz
Dec 19 '14 at 21:49
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Detach many subdirectories into a new, separate Git repository
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Could you add some more information explaining what this lengthy command is doing?
– Burhan Ali
Sep 18 '18 at 10:26
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Why does Unicorn need to be deployed together with Nginx?
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Nginx
Unicorn
Refer to unicorn on github for more information.
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How can I check if a Perl array contains a particular value?
... } @badparams;
if(exists($params{$someparam})) { ... }
You can also add more (unique) params to the list:
$params{$newparam} = 1;
And later get a list of (unique) params back:
@badparams = keys %params;
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When would you use delegates in C#? [closed]
... have lambda expressions and anonymous methods in C#, I use delegates much more. In C# 1, where you always had to have a separate method to implement the logic, using a delegate often didn't make sense. These days I use delegates for:
Event handlers (for GUI and more)
Starting threads
Callbacks (e...
What are the differences between LinearLayout, RelativeLayout, and AbsoluteLayout?
...ayout means you have to give exact position where the view should be.
For more information, please check this address https://developer.android.com/guide/topics/ui/declaring-layout#CommonLayouts
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WatiN or Selenium? [closed]
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@Henry99 would've been more appropriate as a comment under the question or a separate question. The core question here is "A or B". The author of A or B shouldn't be responding to questions like that since it's pretty obvious they will be biased.
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Viewing full output of PS command
...> (Tab can also be used to scroll right)
Lines are always wrapped for more and pg.
When ps aux is used in a pipe, the w option is unnecessary since ps only uses screen width when output is to the terminal.
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How do I sort an NSMutableArray with custom objects in it?
...ptors:@[sortDescriptor]];
You can easily sort by multiple keys by adding more than one to the array. Using custom comparator-methods is possible as well. Have a look at the documentation.
Blocks (shiny!)
There's also the possibility of sorting with a block since Mac OS X 10.6 and iOS 4:
NSArray...
Check whether a variable is a string in Ruby
Is there anything more idiomatic than the following?
6 Answers
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