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How to avoid overflow in expr. A * B - C * D
...c * d
x / (a * d) = (a * b - c * d) / (a * d)
x / (a * d) = b / d - c / a
now, the integer/mod stuff:
x / (a * d) = (b / d + ( b % d ) / d) - (c / a + ( c % a ) / a )
x / (a * d) = (b / d - c / a) - ( ( c % a ) / a - ( b % d ) / d)
x = (b / d - c / a) * a * d - ( ( c % a ) * d - ( b % d ) * a)
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Is there something like RStudio for Python? [closed]
...hat I can see Rodeo 2.0 uses Electron. It still is a browser tool, only it now comes with its own browser to make it feel like its a native app. (It's also worth mentioning that it comes with a dependency on NodeJS.)
– Phillip
Jan 17 '17 at 10:21
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Hiding the scroll bar on an HTML page
...uto, but I'm not a fan of abusing width for visibility tweaks.
Firefox 64 now supports the experimental scrollbar-width property by default (63 requires a configuration flag to be set). To hide the scrollbar in Firefox 64:
#element {
scrollbar-width: none;
}
To see if your current browser su...
Dealing with commas in a CSV file
...carriage returns.
By the way, this is unit-tested code. I’m posting it now because this question seems to come up a lot and others may not want an entire library when simple CSV support will do.
You can use it as follows:
using System;
public class test
{
public static void Main()
{
...
Cannot run Eclipse; JVM terminated. Exit code=13
...
I feel really stupid now, downloading both 64-bit eclipse and jdk but still trying to specify with x86.... At least i'm not alone xD
– AmazingDreams
Nov 3 '12 at 10:16
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Find out which remote branch a local branch is tracking
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BTW, the newest versions of git (1.8.5.x) also now show the upstream branch during git status and git status -sb -- so once you upgrade to 1.8.5.x, this question (and answer) is irrelevant.
– jdsumsion
Dec 17 '13 at 19:32
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LINQ query on a DataTable
... any more complicated than the call to Cast<DataRow>(). As far as I know, the performance is the same, so it's just a matter of preference.
– Collin K
Jun 26 '14 at 16:29
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Git Bash doesn't see my PATH
...
because I was installing Go and this path contained the executable go.exe
Now Git bash was able to recognize the command:
go
Perhaps just a system reboot would have been enough in my case, but I'm happy that this solution work in any case.
...
Co-variant array conversion from x to y may cause run-time exception
...and I am not very happy about it, but there’s nothing we can do about it now.
– franssu
Oct 23 '14 at 8:21
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Is it possible to pass a flag to Gulp to have it run tasks in different ways?
...glify = require('gulp-uglify');
var minimist = require('minimist');
var knownOptions = {
string: 'env',
default: { env: process.env.NODE_ENV || 'production' }
};
var options = minimist(process.argv.slice(2), knownOptions);
gulp.task('scripts', function() {
return gulp.src('**/*.js')
.p...