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Can regular expressions be used to match nested patterns? [duplicate]
Is it possible to write a regular expression that matches a nested pattern that occurs an unknown number of times? For example, can a regular expression match an opening and closing brace when there are an unknown number of open/close braces nested within the outer braces?
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What is the LD_PRELOAD trick?
I came across a reference to it recently on proggit and (as of now) it is not explained.
9 Answers
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What is hashCode used for? Is it unique?
I notice there is a getHashCode() method in every controls, items, in WP7, which return a sequence of number. Can I use this hashcode to identify an item? For example I want to identify a picture or a song in the device, and check it whereabout. This could be done if the hashcode given for specifi...
Android buildscript repositories: jcenter VS mavencentral
The last time I used Android Studio, it generated .gradle files with mavencentral() buildscript repositories whereas now there's jcenter() .
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Creating an object: with or without `new` [duplicate]
... might have already been asked (say, here ); yet I still don't understand it. So, let me ask it.
2 Answers
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decompiling DEX into Java sourcecode
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It's easy
Get these tools:
dex2jar to translate dex files to jar files
jd-gui to view the java files in the jar
The source code is quite readable as dex2jar makes some optimizations.
Procedure:
And here's the procedure on...
How does grep run so fast?
I am really amazed by the functionality of GREP in shell, earlier I used to use substring method in java but now I use GREP for it and it executes in a matter of seconds, it is blazingly faster than java code that I used to write.(according to my experience I might be wrong though)
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How do you share code between projects/solutions in Visual Studio?
I have two solutions which have some common code, so I'd like to extract it out and share it between them. Furthermore, I'd like to be able to release that library independently because it might be useful to others.
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resizes wrong; appears to have unremovable `min-width: min-content`
I have a <select> where one of its <option> ’s text values is very long. I want the <select> to resize so it is never wider than its parent, even if it has to cut off its displayed text. max-width: 100% should do that.
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Why use a READ UNCOMMITTED isolation level?
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This isolation level allows dirty reads. One transaction may see uncommitted changes made by some other transaction.
To maintain the highest level of isolation, a DBMS usually acquires locks on data, which may result in a loss of concurrency and a high locking overhead. This isolation level rel...