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Equation (expression) parser with precedence?

...l, you actually have a hope at scaling up later, showing other people you know that parsers are the domain of parsing tools. Update: People here have offered much sound advice. My only warning against skipping the parsing tools or just using the Shunting Yard algorithm or a hand rolled recursive...
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How to parse freeform street/postal address out of text, and into components

..., though each country enforces or defines ownership a little differently. Knowing this is important, since it usually forbids reverse-engineering the address database. You have to be careful how to acquire, store, and use the data. Google Maps is a common go-to for quick address fixes, but the TOS i...
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Does Java have a using statement?

... "Luckily" with Java 7 being available now, this answer is no longer true (and I think that ARM blocks are exactly what using does). – Joachim Sauer Aug 24 '11 at 8:32 ...
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Is git-svn dcommit after merging in git dangerous?

...s squash technic I used before is no longer required. My new workflow is now as follows: I have a "master" branch that is the only branch that I dcommit from and that clone the SVN repository (-s assume you have a standard SVN layout in the repository trunk/, branches/, and tags/): git svn clo...
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Convert timedelta to total seconds

...= time.time(); print tt 1301736663.88 >>> print datetime.datetime.now() 2011-04-02 20:31:03.882000 ### UTC+11, my local time >>> print datetime.datetime(1970,1,1) + datetime.timedelta(seconds=tt) 2011-04-02 09:31:03.880000 ### UTC >>> print time.localtime() time.struct_tim...
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How to enable local network users to access my WAMP sites?

...0.1 or ::1 But as it is a full version of Apache all you need is a little knowledge of the server you are using. The simple ( hammer to crack a nut ) way is to use the 'Put Online' wampmanager menu option. left click wampmanager icon -> Put Online This however tells Apache it can accept connecti...
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Going from a framework to no-framework [closed]

...irefox 4's new security framework, complimentary to the sandbox attribute. Now also being implemented in Chrome.) If you're accepting HTML as input, I recommend grabbing HTML Purifier and calling it via a FILTER_CALLBACK line in your filter_input_array setup. Its whitelist-based approach to input...
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How to elegantly ignore some return values of a MATLAB function?

...ction: Func3 = @() deal(1,2,3); [a,b,c]=Func3(); % yields a=1, b=2, c=3 Now the key here is that if you use an variable twice in the left hand side of a multiple-expression assignment, an earlier assignment is clobbered by the later assignment: [b,b,c]=Func3(); % yields b=2, c=3 [c,c,c]=Func3()...
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Is SHA-1 secure for password storage?

... a bit new, so sticking to SHA-256 or SHA-512 would be a safer route right now. It would make you look professional and cautious, which is good. Note that "as secure as you can get" is not the same as "perfectly safe". See below for rather lengthy explanations. About known attacks: The known atta...
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How to turn on front flash light programmatically in Android?

...rc code. here http://code.google.com/p/quick-settings/ (Note: This link is now broken) For Flashlight directly look http://code.google.com/p/quick-settings/source/browse/trunk/quick-settings/#quick-settings/src/com/bwx/bequick/flashlight (Note: This link is now broken) Update6 You could also try ...