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Does the join order matter in SQL?
...ssociative as long as neither predicate can be satisfied by a row in which all columns from one table are NULL, than to say that it's associative as long as the predicates don't involve IS NULL or 'a function that is related to nulls'. One can easily imagine a predicate that satisfies the former des...
Default argument values in JavaScript functions [duplicate]
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In javascript you can call a function (even if it has parameters) without parameters.
So you can add default values like this:
function func(a, b){
if (typeof(a)==='undefined') a = 10;
if (typeof(b)==='undefined') b = 20;
//your code
}
...
Are typedef and #define the same in c?
...ine fail in casec of function pointer as argument?
– Allahjane
Dec 31 '16 at 23:02
3
@Allahjane: ...
how to use “AND”, “OR” for RewriteCond on Apache?
... is the actual implementation where you'll find the loop that goes through all the RewriteConditions a RewriteRule has, and what it basically does is (stripped, comments added for clarity):
# loop through all Conditions that precede this Rule
for (i = 0; i < rewriteconds->nelts; ++i) {
re...
Ternary operator (?:) in Bash
... 20 -- this can also be a result of an expression.
This approach is technically called "Parameter Expansion".
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Remove all elements contained in another array
I am looking for an efficient way to remove all elements from a javascript array if they are present in another array.
14 A...
Can someone give an example of cosine similarity, in a very simple, graphical way?
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I am really glad this was useful to you, Alex. Sorry for the delay in responding. I haven't visited StackOverflow in a while. Actually this is an example of an "inner product space". There's a basic discussion on wikipedia.
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new keyword in method signature
...);
public new void Two();
}
B b = new B();
A a = b as A;
a.One(); // Calls implementation in B
a.Two(); // Calls implementation in A
b.One(); // Calls implementation in B
b.Two(); // Calls implementation in B
Override can only be used in very specific cases. From MSDN:
You cannot overrid...
Loading cross-domain endpoint with AJAX
... API URL. (Supports https: see github repository)
If you want to automatically enable cross-domain requests when needed, use the following snippet:
$.ajaxPrefilter( function (options) {
if (options.crossDomain && jQuery.support.cors) {
var http = (window.location.protocol === 'http:'...
how do i remove a comma off the end of a string?
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Thank you, I was doing this with substr, strlen,... all my life
– Farhad
Apr 15 '15 at 17:59
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