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Constructor overloading in Java - best practice

...ht be JTable - the primary constructor takes a TableModel (plus column and selection models) and the other constructors call this primary constructor. For subclasses where the superclass already has overloaded constructors, I would tend to assume that it is reasonable to treat any of the parent cla...
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Can I have multiple :before pseudo-elements for the same element?

...s the case with any other CSS property. This behavior is described in the Selectors section of CSS2.1: Pseudo-elements behave just like real elements in CSS with the exceptions described below and elsewhere. This implies that selectors with pseudo-elements work just like selectors for normal ...
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MySQL foreign key constraints, cascade delete

...RITY DEFINER BEGIN DELETE FROM `products` WHERE `id` IN ( SELECT `products_id` FROM `categories_products` WHERE `categories_id` = category_ID ) ; DELETE FROM `categories` WHERE `id` = category_ID; END You also need to add the following foreign key constraints...
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Capture Image from Camera and Display in Activity

...f I don't like the image I can delete it and click one more image and then select the image and it should return back and display that image in the activity. ...
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OS detecting makefile

...detected_OS := $(patsubst MINGW%,MSYS,$(detected_OS)) endif Then you can select the relevant stuff depending on detected_OS: ifeq ($(detected_OS),Windows) CFLAGS += -D WIN32 endif ifeq ($(detected_OS),Darwin) # Mac OS X CFLAGS += -D OSX endif ifeq ($(detected_OS),Linux) CFLAGS ...
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How to change the session timeout in PHP?

..., it was about running 2 additional queries to get these prev/next values. SELECT id FROM gallery WHERE SortOrder > $currentsortorder LIMIT 1 – Your Common Sense Nov 29 '11 at 13:37 ...
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Can an angular directive pass arguments to functions in expressions specified in the directive's att

...ve.html' }; }) In directive template use it in following way: <select ng-change="myFunction(selectedAmount)"> And then when you use the directive, pass the function like this: <data-my-directive data-my-function="setSelectedAmount"> </data-my-directive> You pass t...
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Why should hash functions use a prime number modulus?

...er of buckets. This is convenient and saves having to search around or pre-select a prime number of the right magnitude. So you rely on the hash function not to use even multipliers, which is generally a safe assumption. But you can still get occasional bad hashing behaviours based on hash functions...
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How do I find Waldo with Mathematica?

...at should have Waldo in it. Exclude all other areas (e.g., for each area, select a circle twice as big as the average person size), and then run the process that @Heike laid out with removing all but red, and so on. Any thoughts on how to code this? Edit: Thoughts on how to code this . . . e...
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C# vs C - Big performance difference

...rdingly, it must call a CRT function that implements sqrt() and checks the selected floating point options to adjust the result. That's slow. share | improve this answer | f...