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jQuery: Adding two attributes via the .attr(); method
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WARNING: When setting the 'class' attribute, you must always use quotes!
From the jQuery documentation (Sep 2016) for .attr:
Attempting to change the type attribute on an input or button element created via document.createElement() will throw an exception on Internet Explorer 8 or older.
Edit:
F...
What are the rules for the “…” token in the context of variadic templates?
...xin0, public Mixin1, .. public MixinN
That is, mixture derives publicly from all the base classes.
Hope that helps.
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Filtering a list of strings based on contents
...t say they're very important to me, but I believe even newbies can benefit from thinking about programming this way, and definitely wouldn't call it inflicting.
– Eli Bendersky
Jan 28 '10 at 13:19
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Django queries - id vs pk
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It doesn't matter. pk is more independent from the actual primary key field i.e. you don't need to care whether the primary key field is called id or object_id or whatever.
It also provides more consistency if you have models with different primary key fields.
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Is JavaScript a pass-by-reference or pass-by-value language?
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@daylight: For C#, you can see this from outside the function, if you use the ref keyword you can pass the reference by reference (instead of the default of passing the reference by value), and then the change to point to a new Object() will persist.
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How to find a min/max with Ruby
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You can do
[5, 10].min
or
[4, 7].max
They come from the Enumerable module, so anything that includes Enumerable will have those methods available.
v2.4 introduces own Array#min and Array#max, which are way faster than Enumerable's methods because they skip calling #each....
Entity Framework code first unique column
...he 900-byte limit for the maximum total size of all index key columns."
(from: http://msdn.microsoft.com/en-us/library/ms191241.aspx )
You can solve this by setting a maximum string length on your model:
[StringLength(450)]
Your model will look like this now in EF CF 6.1+:
public class User
{...
python numpy ValueError: operands could not be broadcast together with shapes
...sk can be used as matrix multiplication. My recommendation is to keep away from numpy.matrix, it tends to complicate more than simplify things.)
Your arrays should be fine with numpy.dot; if you get an error on numpy.dot, you must have some other bug. If the shapes are wrong for numpy.dot, you get ...
Dynamically load JS inside JS [duplicate]
... oops you're right, it only matters if the element is already on the page. From my experience it's more common to first have the element on the page before setting the src, mainly bc of all the cases where you want to change the src dynamically, like for img tags and such. So I think its better prac...
How to convert lazy sequence to non-lazy in Clojure
... depends on what type of non lazy sequence you want to get:
Take your pick from:
an ex-lazy (fully evaluated) lazy sequence (doall ... )
a list for sequential access (apply list (my-lazy-seq)) OR (into () ...)
a vector for later random access (vec (my-lazy-seq))
a map or a set if you h...