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How do I use valgrind to find memory leaks?
...
Let's take a look at the C code I wrote too:
#include <stdlib.h>
int main() {
char* string = malloc(5 * sizeof(char)); //LEAK: not freed!
return 0;
}
Well, there were 5 bytes lost. How did it happen? The error report just says
main and malloc. In a larger program, that would be ...
Why does flowing off the end of a non-void function without returning a value not produce a compiler
... Warn whenever a function is defined with a return-type that
defaults to int. Also warn about any
return statement with no return-value
in a function whose return-type is not
void (falling off the end of the
function body is considered returning
without a value), and about a return
sta...
Show/Hide the console window of a C# console application
...indWindow() to find the console window by its title . I dug a bit deeper into the Windows API and found that there is a much better and easier way, so I wanted to post it here for others to find.
...
Formatting floats without trailing zeros
...al('0.21000000000000000000000000006')
Most importantly, I would still be converting to Decimal from a float which can make you end up with something other than the number you put in there. I think Decimal works best when the arithmetic stays in Decimal and the Decimal is initialized with a string....
Generic List - moving an item within the list
...class has a Move method that does exactly what you want.
public void Move(int oldIndex, int newIndex)
Underneath it is basically implemented like this.
T item = base[oldIndex];
base.RemoveItem(oldIndex);
base.InsertItem(newIndex, item);
So as you can see the swap method that others have sugges...
push_back vs emplace_back
...u can now perfectly forward the arguments and construct directly an object into a container without a temporary at all.
That's useful because no matter how much cleverness RVO and move semantic bring to the table there is still complicated cases where a push_back is likely to make unnecessary copi...
How does comparison operator works with null int?
I am starting to learn nullable types and ran into following behavior.
4 Answers
4
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How to set custom favicon in Express?
... maybe here: http://www.favicon.cc/ or here :http://favicon-generator.org
convert it to base64 maybe here: http://base64converter.com/
then replace the icon base 64 value
general information how to create a personalized fav icon
icons are made using photoshop or inkscape, maybe inkscape then ph...
How to get the selected index of a RadioGroup in Android
...
You should be able to do something like this:
int radioButtonID = radioButtonGroup.getCheckedRadioButtonId();
View radioButton = radioButtonGroup.findViewById(radioButtonID);
int idx = radioButtonGroup.indexOfChild(radioButton);
If the RadioGroup contains other Views (...
xtree(1796): warning C4800: “int”: 将值强制为布尔值“true”或“false...
xtree(1796): warning C4800: “int”: 将值强制为布尔值“true”或“false”(性能警告) 1>C: Program Files (x86) Microsoft Visual Studio 11.0 VC include xtree(1796): warning C4800: int: 将值强制为布尔值true或f...1>C:\Program Files (x86)\Microsoft Visual Studio 11.0\VC\inc...