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UnboundLocalError on local variable when reassigned after first use
...tion, it is treated by default as a local variable. Therefore, when you uncomment the line you are trying to reference the local variable c before any value has been assigned to it.
If you want the variable c to refer to the global c = 3 assigned before the function, put
global c
as the first l...
How to determine if a point is in a 2D triangle? [closed]
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It's commonly used in 2D. Barycentric coordinates tend to confuse people. Also, given the cooridates of the triangle, and the point cordinate, I'm unsure about the efficiency of using barycentrics.
– Kornel K...
PHP Regex to check date is in YYYY-MM-DD format
...t worked for the person who asked, read this beautiful tour: stackoverflow.com/tour .
– stramin
Feb 8 '17 at 12:56
@Gr...
Legality of COW std::string implementation in C++11
...o. Which of those two points do you disagree with? Looking at your first comment, it seems that an implementation could share the string, at least under this requirement, up until the time it is accessed, but that both read and write accesses would need to unshare it. Is that your reasoning?
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Using Gulp to Concatenate and Uglify files
...gulp.dest('dist'));
});
gulp.task('default', ['js-fef'], function(){});
Coming from grunt it was a little confusing at first but it makes sense now. I hope it helps the gulp noobs.
And, if you need sourcemaps, here's the updated code:
var gulp = require('gulp'),
gp_concat = require('gulp-co...
MySQL: multiple tables or one table with many columns?
...e amount of work the database needs to do when reading data). I'd highly recommend making your data as normalized as possible to start out, and only denormalize if you're aware of performance problems in specific queries.
sh...
Mapping two integers to one, in a unique and deterministic way
Imagine two positive integers A and B. I want to combine these two into a single integer C.
18 Answers
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What exactly are unmanaged resources?
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Open Database connection comes under which category? Managed / Unmanaged?
– Deviprasad Das
Aug 8 '10 at 5:38
8
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Checking if a double (or float) is NaN in C++
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According to the IEEE standard, NaN values have the odd property that comparisons involving them are always false. That is, for a float f, f != f will be true only if f is NaN.
Note that, as some comments below have pointed out, not all compilers respect this when optimizing code.
For any c...
Only detect click event on pseudo-element
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