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Don't understand why UnboundLocalError occurs (closure) [duplicate]
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counter += 1
implicitly makes counter local to increment(). Trying to em>x m>ecute this line, though, will try to read the value of the local variable counter before it is assigned, resulting in an UnboundLocalError.[2]
If counter is a global variable, the global keyword will help. If increment() i...
How to install m>X m>code Command Line Tools
How do I get the command-line build tools installed with the current m>X m>code/Mac OS m>X m> v10.8 (Mountain Lion) or later?
13 Answ...
Scroll to a div using jquery
so I have a page that has a fim>x m>ed link bar on the side. I'd like to scroll to the different divs. Basically the page is just one long website, where I'd like to scroll to different divs using the menu bom>x m> to the side.
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Getting Checkbom>x m> Value in ASP.NET MVC 4
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@Html.EditorFor(m>x m> => m>x m>.Remember)
Will generate:
<input id="Remember" type="checkbom>x m>" value="true" name="Remember" />
<input type="hidden" value="false" name="Remember" />
How does it work:
If checkbom>x m> remains unchecked,...
Generate random number between two numbers in JavaScript
...esults into 0.99 our random value would be 7
– antitom>x m>ic
Dec 12 '13 at 16:15
29
This code not goo...
View the change history of a file using Git versioning
...sion> -- filename, that will show the diffs for that revision, in case em>x m>ists one.
– Marcos Oliveira
Feb 9 '12 at 21:44
4
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Why is NaN not equal to NaN? [duplicate]
...ulations, infecting them like a virus, so if somewhere in your deep, complem>x m> calculations you hit upon a NaN, you don't bubble out a seemingly sensible answer. Otherwise by identity NaN/NaN should equal 1, along with all the other consequences like (NaN/NaN)==1, (NaN*1)==NaN, etc. If you imagine tha...
Why does NULL = NULL evaluate to false in SQL server
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Think of the null as "unknown" in that case (or "does not em>x m>ist"). In either of those cases, you can't say that they are equal, because you don't know the value of either of them. So, null=null evaluates to not true (false or null, depending on your system), because you don't know ...
Secure random token in Node.js
...).randomBytes(48, function(err, buffer) {
var token = buffer.toString('hem>x m>');
});
The 'hem>x m>' encoding works in node v0.6.m>x m> or newer.
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Why is pow(a, d, n) so much faster than a**d % n?
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See the Wikipedia article on modular em>x m>ponentiation. Basically, when you do a**d % n, you actually have to calculate a**d, which could be quite large. But there are ways of computing a**d % n without having to compute a**d itself, and that is what pow does. Th...