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Why should hash functions use a prime number modulus?
...or likely cases, since collisions reduce the efficiency of the hashtable.
Now, suppose someone puts a whole bunch of values into a hashtable that have some relationship between the items, like all having the same first character. This is a fairly predictable usage pattern, I'd say, so we don't want...
How to determine when Fragment becomes visible in ViewPager
...ibrary update (rev 11), the user visible hint issue is finally fixed. It's now safe to use user visible hint for ViewPager.
– Oasis Feng
Nov 14 '12 at 3:05
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Search code inside a Github project
...at within the ruby repo will be expressed as stat repo:ruby/ruby, and will now just workTM.
(the repo name is not case sensitive: test repo:wordpress/wordpress returns the same as test repo:Wordpress/Wordpress)
Will give:
And you have many other examples of search, based on followers, or on fo...
How can I auto-elevate my batch file, so that it requests from UAC administrator rights if required?
... Yup, I think you are right about that--even though PSExec is now a Microsoft tool (since they bought out the Sysinternals guys!) the EULA does forbid distribution :(
– ewall
Aug 15 '11 at 15:10
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Should I use the datetime or timestamp data type in MySQL?
... future. If I say 1283351460 seconds since '1970-01-01 00:00:00 UTC', you know exactly what point in time I talk about. (See Nir's excellent answer below). [Downside: valid range].
– MattBianco
Sep 1 '10 at 14:36
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how to create a Java Date object of midnight today and midnight tomorrow?
...Date
LocalTime midnight = LocalTime.MIDNIGHT;
LocalDate today = LocalDate.now(ZoneId.of("Europe/Berlin"));
LocalDateTime todayMidnight = LocalDateTime.of(today, midnight);
LocalDateTime tomorrowMidnight = todayMidnight.plusDays(1);
Joda-Time
If you're using a JDK < 8, I recommend Joda Time,...
Selecting text in an element (akin to highlighting with your mouse)
... originated from the answer of VillageIdiot below. The wonderful thread is now a dead link. Bit rot :-(
– Roland
Aug 19 at 8:56
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Where to host an Open Source Project: CodePlex, Google Code, SourceForge? [closed]
...are (Google GIMP Sourceforge Adware). Avoid at all costs. GitHub is as of now still the most popular one, although there are alternatives (e.g., BitBucket offers unlimited private repos for free for up to 5 users.)
It's crazy how much the landscape changed in the past few years, and if you're read...
Creating the Singleton design pattern in PHP5
...ngleton would produce an instance of its parent class instead of its own.
Now you can do:
class Foobar extends Singleton {};
$foo = Foobar::getInstance();
And $foo will be an instance of Foobar instead of an instance of Singleton.
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How to get week number in Python?
... week number using strftime, best import datetime today = datetime.now() week = today.strftime("%W")
– bipsa
Jun 9 '15 at 16:39
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