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What is PostgreSQL explain telling me exactly?

...n they meet the other executes, then the rule joining them executes.) The idea is that at each step there are 1 or 2 datasets that arrive and get processed by some rule. If just one dataset, that operation is done to that data set. (For instance scan an index to figure out what rows you want, fil...
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When is a function too long? [closed]

...ke a lot of small functions with the copy&paste pattern is not a great idea, I agree a function should try always to do only one thing – user58163 Jan 24 '09 at 7:34 ...
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What is the standard Python docstring format? [closed]

...and makes a short comparison of both. And last a basic example to give an idea how it looks like: def func(arg1, arg2): """Summary line. Extended description of function. Parameters ---------- arg1 : int Description of arg1 arg2 : str Description of arg2 ...
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Ruby Regexp group matching, assign variables on 1 line

... You have to decide whether it is a good idea, but ruby regexp can (automagically) define local variables for you! I am not yet sure whether this feature is awesome or just totally crazy, but your regex can define local variables. ryan_string = "RyanOnRails: This ...
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Store query result in a variable using in PL/pgSQL

... This is not good idea - this feature is not documented and it is ugly – Pavel Stehule Sep 8 '12 at 18:46 2 ...
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Difference between Divide and Conquer Algo and Dynamic Programming

... may read more about memoization and tabulation comparison here. The main idea you should grasp here is that because our divide and conquer problem has overlapping sub-problems the caching of sub-problem solutions becomes possible and thus memoization/tabulation step up onto the scene. So What the...
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Is there an advantage to use a Synchronized Method instead of a Synchronized Block?

...n on a single bytecode instruction being saved, that seems like a terrible idea. But still, it is a difference. =) – corsiKa Oct 21 '14 at 14:19 2 ...
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How to suppress Update Links warning?

... Good idea; unfortunately, this project required that I open a set of workbooks whose contents I couldn't modify. So there would be no way to set the Workbook_Open() event for each of the workbooks in my target set. ...
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How to specify font attributes for all elements on an html web page?

...e and Firefox in spite of my style sheet's specifications of the same. Any ideas about this? Also, is this a good practice? – Darth Coder Mar 31 '14 at 0:37 add a comment ...
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Show Youtube video source into HTML5 video tag?

... Yes, useful information but sounds like a bad idea. YouTube could decide to close access to the direct video link at any time. – Oliver Moran Dec 11 '13 at 10:12 ...