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Convert dd-mm-yyyy string to date
.../(\d{2})-(\d{2})-(\d{4})/, "$2/$1/$3"))
Why not use regex?
Because you know you'll be working on a string made up of three parts, separated by hyphens.
However, if you were looking for that same string within another string, regex would be the way to go.
Reuse
Because you're doing this more th...
Rails Admin vs. ActiveAdmin [closed]
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I understand now that RailsAdmin is an automatic admin UI, while ActiveAdmin is an admin scaffold. I love ActiveAdmin's flexibility because of this approach, but it's missing RailsAdmin's model and association detection, and the awesome a...
How can we access context of an application in Robolectric?
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For the latest Robolectric 4.3 as of right now in 2019 `
ShadowApplication.getInstance()
` and
Roboletric.application
are both depricated. So I am using
Context context = RuntimeEnvironment.systemContext;
to get Context.
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Why Maven uses JDK 1.6 but my java -version is 1.7
...n -s /Library/Java/JavaVirtualMachines/jdk1.8.0.jdk/Contents/ CurrentJDK
Now it shall work immediately.
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range() for floats
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I don't know a built-in function, but writing one like this shouldn't be too complicated.
def frange(x, y, jump):
while x < y:
yield x
x += jump
As the comments mention, this could produce unpredictable results like:...
Initializing IEnumerable In C#
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Old now, but I would avoid the second option. You might want this to interact with other IEnumerables that are not compatible with arrays.
– Joel Coehoorn
Oct 5 '18 at 14:23
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1114 (HY000): The table is full
...ible reason is the partition being full - this is just what happened to me now.
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C++ Redefinition Header Files (winsock2.h)
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I'm not including <windows.h> at all, I know <winsock2.h> does its for me.
– akif
Sep 3 '09 at 11:26
2
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Laravel - Eloquent or Fluent random row
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tl;dr: It's nowadays implemented into Laravel, see "edit 3" below.
Sadly, as of today there are some caveats with the ->orderBy(DB::raw('RAND()')) proposed solution:
It isn't DB-agnostic. e.g. SQLite and PostgreSQL use RANDOM()
E...
Multiply TimeSpan in .NET
...kedeKlerk Agreed, but that is more syntactic sugar. The OP still needs to know the root of the answer so that it can be applied inside any method, extension or not
– Justin Pihony
Apr 11 '13 at 15:38
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