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How do I ignore the initial load when watching model changes in AngularJS?
... This is great, however in my case I had instantiated the data as an empty array before doing the AJAX call to my API, so check the length of that instead of type. But this answer definitely shows the most effective method at least.
– Saborknight
Mar 31 '17 at ...
ActiveRecord: size vs count
...rform an SQL COUNT query
length will calculate the length of the resulting array
size will try to pick the most appropriate of the two to avoid excessive queries
But there is one more thing. We noticed a case where size acts differently to count/lengthaltogether, and I thought I'd share it since i...
What is the difference between statically typed and dynamically typed languages?
...ortran, Haskell, ML, Pascal, Perl
(with respect to distinguishing
scalars, arrays, hashes and
subroutines) and Scala. Static typing
is a limited form of program
verification (see type safety):
accordingly, it allows many type
errors to be caught early in the
development cycle. Static type
checkers e...
How many bytes does one Unicode character take?
...writing strlen(), substr() and other string manipulation functions on UTF8 arrays. This kind of work will be never complete and always buggy.
– Nulik
Sep 26 '16 at 16:15
...
Why can't enum's constructor access static fields?
...plan on iterating over them with an enhanced for loop (since it returns an array), but mostly its about style and use case. It's probably better to use EnumSet.allOf() if you want to write code which exists in Java's documentation instead of just in the specs, but many people seem to be familiar wit...
Difference between int32, int, int32_t, int8 and int8_t
...s (especially while handling memory mapped I/O or may be consider a simple array situation), so it is highly recommended to specify fixed size variables. In legacy systems you may come across
typedef short INT16;
typedef int INT32;
typedef long INT64;
Starting from C99, the designers added s...
enum.values() - is an order of returned enums deterministic
...he Java language specification uses this explicit language:
@return an array containing the constants of this enum type, in the order they're declared [Source]
So, yes, they will be returned in declaration order. It's worth noting that the order might change over time if someone changes the cl...
How to get an enum which is created in attrs.xml in code
...ML files (as you show).
You could do this in your view constructor:
TypedArray a = context.getTheme().obtainStyledAttributes(
attrs,
R.styleable.IconView,
0, 0);
// Gets you the 'value' number - 0 or 666 in your example
if (a.hasValue(R.styl...
How to hash a string into 8 digits?
...
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What's an elegant way to conditionally add a class to an HTML element in a view?
...ere a ternary would be necessary (e.g. @success ? 'good' : 'bad'), pass an array where the first element is the class for true and the other is for false
<div class="<%= [:good, :bad] => @success %>">
Inspired by React
This technique is inspired by an add-on called classNames (for...