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What is the difference between a reference type and value type in c#?
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I found it easier to understand the difference of the two if you know how computer allocate stuffs in memory and know what a pointer is.
Reference is usually associated with a pointer. Meaning the memory address where your variable reside is actually holding another memory address of the ...
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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What is an invariant?
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It is a condition you know to always be true at a particular place in your logic and can check for when debugging to work out what has gone wrong.
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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 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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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 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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how to create a Java Date object of midnight today and midnight tomorrow?
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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,...
How to run Selenium WebDriver test cases in Chrome?
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Now that's a cumbersome solution. I'd advise you to change this if it's what you use nowadays.
– aimbire
Mar 21 '13 at 17:19
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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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