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How to recognize swipe in all 4 directions
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You need to have one UISwipeGestureRecognizer for each direction. It's a little weird because the UISwipeGestureRecognizer.direction property is an options-style bit mask, but each recognizer can only handle one direction. You can send them a...
Disadvantages of Test Driven Development? [closed]
... changed, tweaked or fine tuned, this can cause a big time investment that one might claim is not justified. So use it when you think it actually fits the system and don't force the design to fit to TDD.
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What's the difference between array_merge and array + array?
...r beginners here, the result of the operation in both cases is null if any one of the arrays is null. Some might not care about this assuming since it is a union operation, the result will be the proper (not-null) array if one of them is null. But, that holds true if one of the arrays is an empty ar...
Where should @Service annotation be kept? Interface or Implementation?
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I never put @Component (or @Service, ...) at an interface, because this make the interface useless. Let me explain why.
claim 1: If you have an interface then you want to use that interface for the injection point type.
claim 2: The purpose...
How do you rename a Git tag?
... if tag is annotated the new tag won't have the message of the old one, but it's a helpful info
– NickSoft
May 26 '11 at 15:34
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Hash collision in git
...de up of about 1047 atoms. So if we have 10 Moons... and you randomly pick one atom on one of these moons... and then go ahead and pick a random atom on them again... then the likelihood that you'll pick the same atom twice, is the likelihood that two given git commits will have the same SHA-1 hash....
SQL update from one Table to another based on a ID match
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The simple Way to copy the content from one table to other is as follow:
UPDATE table2
SET table2.col1 = table1.col1,
table2.col2 = table1.col2,
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FROM table1, table2
WHERE table1.memberid = table2.memberid
You can also add the condition to get the particul...
Can I invoke an instance method on a Ruby module without including it?
... As an aside, module_function turns the method into a private one, which would break other code - otherwise this'd be the accepted answer
– Orion Edwards
Nov 27 '08 at 0:17
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Algorithm to generate a crossword
...e a number of crosswords and then compare their scores and choose the best one.
Instead of running an arbitrary number of iterations, I've decided to create as many crosswords as possible in an arbitrary amount of time. If you only have a small word list, then you'll get dozens of possible crosswo...
Pad a string with leading zeros so it's 3 characters long in SQL Server 2008
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Although the question was for SQL Server 2008 R2, in case someone is reading this with version 2012 and above, since then it became much easier by the use of FORMAT.
You can either pass a standard numeric format string or a custom numeric format string as the format argument (thank Vad...