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Why does this loop produce “warning: iteration 3u invokes undefined behavior” and output more than 4
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Signed integer overflow (as strictly speaking, there is no such thing as "unsigned integer overflow") means undefined behaviour. And this means anything can happen, and discussing why does it happen under the rules of C++ doesn't ma...
Android: Vertical ViewPager [closed]
...newX, newY);
return ev;
}
@Override
public boolean onInterceptTouchEvent(MotionEvent ev){
boolean intercepted = super.onInterceptTouchEvent(swapXY(ev));
swapXY(ev); // return touch coordinates to original reference frame for any child views
return interc...
How can I remove a trailing newline?
... on a Windows system either, because the trailing character will always be converted to '\n'.
– Mad Physicist
Apr 28 '17 at 19:55
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AngularJS - Any way for $http.post to send request parameters instead of JSON?
...lobal override of a default transform (using jQuery param as an example to convert the data to param string).
Set up global transformRequest function:
var app = angular.module('myApp');
app.config(function ($httpProvider) {
$httpProvider.defaults.transformRequest = function(data){
if ...
Why does i = i + i give me 0?
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The issue is due to integer overflow.
In 32-bit twos-complement arithmetic:
i does indeed start out having power-of-two values, but then overflow behaviors start once you get to 230:
230 + 230 = -231
-231 + -231 = 0
...in int arithmetic, since...
For each row in an R dataframe
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Be careful, as the dataframe is converted to a matrix, and what you end up with (x) is a vector. This is why the above example has to use numeric indexes; the by() approach gives you a data.frame, which makes your code more robust.
– D...
How to determine an interface{} value's “real” type?
I have not found a good resource for using interface{} types. For example
7 Answers
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How do I properly clean up Excel interop objects?
I'm using the Excel interop in C# ( ApplicationClass ) and have placed the following code in my finally clause:
41 Answers
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What is the fastest factorial function in JavaScript? [closed]
...000 will be truncated so if you're going to use this approach make sure to convert to exponential before using the aforementioned table.
– David Scott Kirby
May 2 '14 at 20:36
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using extern template (C++11)
...rce1.cpp
#include "header.h"
void something1()
{
ReallyBigFunction<int>();
}
// source2.cpp
#include "header.h"
void something2()
{
ReallyBigFunction<int>();
}
This will result in the following object files:
source1.o
void something1()
void ReallyBigFunction<int&...