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Search and replace in bash using regular expressions

...is method, i.e. perl, awk, e.g.: echo "$MYVAR" | perl -pe 's/[a-zA-Z]/X/g and s/[0-9]/N/g' This may allow you to do more creative matches... For example, in the snip above, the numeric replacement would not be used unless there was a match on the first expression (due to lazy and evaluation). A...
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Best practices for Storyboard login screen, handling clearing of data upon logout

...controller is a Tab Bar Controller. I'm creating the login/logout process, and it's mostly working fine, but I've got a few issues. I need to know the BEST way to set all this up. ...
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How do I determine file encoding in OS X?

...hich says its default encoding is UTF-8), but LaTeX doesn't seem to understand them. 15 Answers ...
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phonegap open link in browser

hey experts i am using phonegap 2.9.0 and i am using the above code to open the link in the browser but it opens it in the same app...... how to open it safari browser? ...
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What is Serialization?

I am getting started with Object-Oriented Programming (OOP) and would like to know: what is the meaning of serialization in OOP parlance? ...
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Android: When is onCreateOptionsMenu called during Activity lifecycle?

I put a couple of breakpoints in onCreate (one at the beginning, and one at the end of the method), and I also put one at the beginning of onCreateOptionsMenu . The onCreate method is called first, and before it finishes onCreateOptionsMenu is called. ...
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Efficiency of purely functional programming

... Pippenger [1996], when comparing a Lisp system that is purely functional (and has strict evaluation semantics, not lazy) to one that can mutate data, an algorithm written for the impure Lisp that runs in O(n) can be translated to an algorithm in the pure Lisp that runs in O(n log n) time (based on ...
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How do synchronized static methods work in Java and can I use it for loading Hibernate entities?

...ynchronized on a static method lock you will synchronize the class methods and attributes ( as opposed to instance methods and attributes ) So your assumption is correct. I am wondering if making the method synchronized is the right approach to ensure thread-safety. Not really. You should let your...
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How can I specify a branch/tag when adding a Git submodule?

...s means, when someone else checks out your repository, or pulls your code, and does git submodule update, the submodule is checked out to that particular commit. This is great for a submodule that does not change often, because then everyone on the project can have the submodule at the same commi...
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git returns http error 407 from proxy after CONNECT

... is something similar to what rohitmohta is proposing ; in regular DOS command prompt (not on git bash) : first git config --global http.proxy http://username:password@proxiURL:proxiPort and in some cases also git config --global https.proxy http://username:password@proxiURL:proxiPort then g...