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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...
Capture screenshot of active window?
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On HD resolution with zoomed Windows Interface elements, this class doesn't capture the whole screen.
– Yeronimo
May 7 '18 at 21:26
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How to embed a video into GitHub README.md?
...demo on github.
I used gifyoutube here, but I recommend using a local gif converter (like ffmpeg, see how) instead of an online one.
To record your screen to gif directly, you may want to check ScreenToGif.
share
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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...
What is a method that can be used to increment letters?
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You can try this
console.log( 'a'.charCodeAt(0))
First convert it to Ascii number .. Increment it .. then convert from Ascii to char..
var nex = 'a'.charCodeAt(0);
console.log(nex)
$('#btn1').on('click', function() {
var curr = String.fromCharCode(nex++)
console.log(curr)
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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...
MySQL “WITH” clause
...ostacho Hello, could please spoon-feed me a little here? I'm struggling to convert it to MySQL. Can you take a look at it? link or answer my question here maybe? link
– Pranav
Jul 3 '15 at 20:05
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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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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&...