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Background color not showing in print preview
...all your print CSS from your screen CSS. This is done via the @media print and @media screen.
Often times just setting up some extra @media print CSS is not enough because you still have all your other CSS included when printing as well. In these cases you just need to be aware of CSS specificity a...
Adding services after container has been built
...a service at run-time, meaning after the ContainerBuilder has been built and the Container has been created (and ContainerBuilder disposed of)?
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Delete duplicate records in SQL Server?
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You can do this with window functions. It will order the dupes by empId, and delete all but the first one.
delete x from (
select *, rn=row_number() over (partition by EmployeeName order by empId)
from Employee
) x
where rn > 1;
Run it as a select to see what would be deleted:
select *...
Change drawable color programmatically
...ng DrawableCompat is important because it provides backwards compatibility and bug fixes on API 22 devices and earlier.
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Function overloading in Javascript - Best practices
...ent length or the types; checking the types will just make your code slow and you have the fun of Arrays, nulls, Objects, etc.
What most developers do is tack on an object as the last argument to their methods. This object can hold anything.
function foo(a, b, opts) {
// ...
if (opts['test'...
Algorithm to detect overlapping periods [duplicate]
...etect if two time periods are overlapping.
Every period has a start date and an end date.
I need to detect if my first time period (A) is overlapping with another one(B/C).
In my case, if the start of B is equal to the end of A, they are not overlapping(the inverse too)
I found the followi...
Hibernate SessionFactory vs. JPA EntityManagerFactory
I am new to Hibernate and I'm not sure whether to use a Hibernate SessionFactory or a JPA EntityManagerFactory to create a Hibernate Session .
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Permanently Set Postgresql Schema Path
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(And if you have no admin access to the server)
ALTER ROLE <your_login_role> SET search_path TO a,b,c;
Two important things to know about:
When a schema name is not simple, it needs to be wrapped in double quotes.
T...
2D cross-platform game engine for Android and iOS? [closed]
I've worked for some time with Unity3d and found it's 2D part with OnGUI() or GUITextures too clumsy. Also, even a smallest game done on Unity3d is at least 10MB download which is just too much for a 2D game.
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What is ?= in Makefile
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@Simon Note that command line arguments to make already override Makefile variables without the need of ?=.
– CMCDragonkai
Aug 22 '18 at 4:52
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