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Sorting object property by values
...ing exactly what you set out to do. That would work in all the browsers I know of, but it would be dependent on an implementation quirk, and could break at any time. You should never make assumptions about the order of elements in a JavaScript object.
var objSorted = {}
sortable.forEach(function(ite...
JavaScript checking for null vs. undefined and difference between == and ===
...gain, note that the last one is vague; it will also be true if a is null.
Now, despite the above, the usual way to check for those is to use the fact that they're falsey:
if (!a) {
// `a` is falsey, which includes `undefined` and `null`
// (and `""`, and `0`, and `NaN`, and [of course] `f...
Can you do a partial checkout with Subversion?
...ew_update_path, leaf_segment)
if options.verbose:
print "Will now update with 'recursive':", new_update_path
update_revision_list = client.update(new_update_path)
if options.verbose:
for revision in update_revision_list:
print "- Finished updating %s to revi...
Where are static methods and static variables stored in Java?
...d what to collect, you can only provide hints like "I'd like you to run gc now" :) ).
– Thomas
Dec 5 '11 at 16:09
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Node.js: printing to console without a trailing newline?
...
Genius. Didn't know you could do this.
– Joshua Pinter
Jun 29 at 22:29
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Swift - which types to use? NSString or String
... // "123123"
In Swift 4 -> Strings Are Collection Of Characters:
Now String is capable of performing all operations which anyone can
perform on Collection type.
For more information please refer apple documents.
...
Mapping many-to-many association table with extra column(s)
...= other.getId())
return false;
return true;
}
}
Now, we have to create the association table. The first step is to create an object representing a complex primary key (a.id, c.id).
public class ACId implements Serializable{
private A a;
private C c;
public A...
Why are elementwise additions much faster in separate loops than in a combined loop?
...'ll notice both loops are faster. Furthermore, the second (double) loop is now the slower one as you would normally expect.
As @Stephen Cannon points out in the comments, there is a very likely possibility that this alignment causes false aliasing in the load/store units or the cache. I Googled ar...
Should I be using object literals or constructor functions?
...;
};
A class like this also acts like a schema for your data object: You now have some sort of contract (through the constructor) what properties the object initializes/contains. A free literal is just an amorphous blob of data.
You might as well have an external verify function that acts on a pl...
How to find index of list item in Swift?
I am trying to find an item index by searching a list . Does anybody know how to do that?
22 Answers
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