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Type List vs type ArrayList in Java [duplicate]

...here (2) wouldn't suffice..aside 'coding to interfaces' and best practices etc.) The "how often" part of the question is objectively unanswerable. (and can I please get an example) Occasionally, the application may require that you use methods in the ArrayList API that are not in the List...
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How to allow only numeric (0-9) in HTML inputbox using jQuery?

...LT+ number pad allows pretty much anything (i.e. Alt+321 = A, Alt+322 = B, etc...). Another case for server side validation. – Anthony Queen Jan 19 '12 at 18:34 141 ...
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What's the difference between a continuation and a callback?

...* y; } Now if every operation (including addition, multiplication, etc.) were written in the form of functions then we would have: console.log(pythagoras(3, 4)); function pythagoras(x, y) { return add(square(x), square(y)); } function square(x) { return multiply(x, x); ...
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Real life trading API [closed]

...the lot. Most other trading softwares provide APIs (NinjaTrader, MetaStock etc). FWIW, there are even competitions of automated trading systems -- see this. Also, this is something that the exchange has to support and your broker has to allow. Most exchanges I know of, do not allow automated tradin...
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Opening the Settings app from another app

...tring:@"prefs://"]]; Also we can launch sub-screens like Music, Location etc. as well by just using proper name [[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"prefs:root=MUSIC"]]; See this full name list here shared by Henri Normak Update: As per the comment everyone want...
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Best data type for storing currency values in a MySQL database

...the transactions (let's suppose $100.23) and multiple by 100, 1000, 10000, etc. to get the accuracy you need. So if you only need to store cents and can safely round up or down, just multiply by 100. In my example, that would make 10023 as the integer to store. You'll save space in the database and ...
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What is the difference between declarative and procedural programming paradigms?

...), rather than writing out "draw string, measure string, advance position, etc." Another example is Prolog, where a "program" is a declarative set of facts and relations/deductions, and a query. The Prolog engine figures out how to evaluate the query: you don't need to tell it how to do so. Final...
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64-bit version of Boost for 64-bit windows

...icrosoft SDK Command prompt and use "setenv /Release /x64" which redefines all the paths. – Budric Dec 13 '11 at 16:59 2 ...
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How do I create a branch?

...nch of folders at the top of your repository called tags, branches, trunk, etc. - that allows you to copy your whole trunk (or sub-sets) into the tags and/or branches folders. If you have more than one project you might want to replicate this kind of structure under each project: It can take a whil...
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How to get a table cell value using jQuery?

... I wish to parse using jQuery. So being able to use "td:first", "td:last", etc was a great help. – atomicules Jul 16 '10 at 9:33 1 ...