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CSS styling in Django forms
...ling, if you need an unique identifier its better to use id. Second its usually the template side's responsobilty to do exaclty this, Esspecially if you are going to access this class via frontend methods (js, css). I didn't say your answer is wrong. In my opinion its just bad practice (esspecially ...
What is the difference between 'my' and 'our' in Perl?
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On the other hand, our variables are package variables, and thus automatically:
global variables
definitely not private
not necessarily new
can be accessed outside the package (or lexical scope) with the
qualified namespace, as $package_name::variable.
Declaring a variable with our allows you...
In MySQL, can I copy one row to insert into the same table?
...an existing row in the table) but I want to do this without having to list all the columns after the "select", because this table has too many columns.
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What does FETCH_HEAD in Git mean?
...it like doing git fetch without arguments (or git remote update), updating all your remote branches, then running git merge origin/<branch>, but using FETCH_HEAD internally instead to refer to whatever single ref was fetched, instead of needing to name things.
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cannot convert data (type interface {}) to type string: need type assertion
... example, you were asserting data (type interface{}) has the concrete type string. If you are wrong, the program will panic at runtime. You do not need to worry about efficiency, checking just requires comparing two pointer values.
If you were unsure if it was a string or not, you could test using ...
problem with and :after with CSS in WebKit
... This is a fantastic, simple, and elegant solution that requires no extra HTML which is exactly what I was looking for! Thanks! This should be the chosen answer IMO.
– KyleFarris
Jul 30 '18 at 23:41
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Getting the names of all files in a directory with PHP
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Not all filenames have the form *.*: just use * instead.
– jameshfisher
Feb 24 '14 at 17:17
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Return a value if no rows are found in Microsoft tSQL
... S.Id = @SiteId and S.Status = 1 AND
(S.WebUserId = @WebUserId OR S.AllowUploads = 1)
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What exactly is Heroku?
... more cost effective to pay someone to build your own solution or take the extra expense.
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When to use self over $this?
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$x = new Y();
$x->bar();
?>
The idea is that $this->foo() calls the foo() member function of whatever is the exact type of the current object. If the object is of type X, it thus calls X::foo(). If the object is of type Y, it calls Y::foo(). But with self::foo(), X::foo() is always ...