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How do I perform a Perl substitution on a string while keeping the original?
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The one-liner solution is more useful as a shibboleth than good code; good Perl coders will know it and understand it, but it's much less transparent and readable than the two-line copy-and-modify couplet you're starting with.
I...
How to specify more spaces for the delimiter using cut?
... way, is a neat way to only get the jboss processes and not the grep jboss one (ditto for the awk variant as well).
The grep process will have a literal grep [j]boss in its process command so will not be caught by the grep itself, which is looking for the character class [j] followed by boss.
This...
How can I tell where mongoDB is storing data? (its not in the default /data/db!)
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Well this one SHOULD print the current path precisely for all mongodb version stackoverflow.com/a/52036070/248616
– Nam G VU
Jun 2 '19 at 10:51
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`from … import` vs `import .` [duplicate]
...nd it doesn't work at all (python 2.6.5 Ubuntu).
– tkone
Feb 24 '12 at 23:33
6
You should use a t...
How to use random in BATCH script?
...th:
set /a num=%random% %%100
- will produce number between 0~99.
This one:
set /a num=%random% %%100 +1
- will produce number between 1~100.
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Can you do this HTML layout without using tables?
...case you're headed down a dark and dangerous path.
– One Crayon
Feb 7 '09 at 2:59
9
Even Amazon u...
CSS Classes & SubClasses
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I don't really use subclasses myself......can anyone give me a reason where this would be necessary?
– patricksweeney
Feb 18 '09 at 4:12
2
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Set up DNS based URL forwarding in Amazon Route53 [closed]
...e/ .
This guide will teach you set up URL forwarding to any URL, not just ones from Amazon. You will learn how to set up forwarding to specific folders (like "/console" in my example), and how to change the protocol of the redirect from HTTP to HTTPS (or vice versa).
Step One: Create Your S3 Buc...
How to intercept touches events on a MKMapView or UIWebView objects?
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This is perfect solution. I need one clarification: In the method "- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event", what is the purpose of using the code: if (touchesBeganCallback) touchesBeganCallback(touches, event);
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Using Sinatra for larger projects via multiple files
...s are being written into a single file, if I understand right it acts as a one large/small controller. Is there any way to split it into separate independent files, so when let's say somebody calls "/" - one action is executed, and if smth like "/posts/2" is received then another action - similar lo...