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'const int' vs. 'int const' as function parameters in C++ and C
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const T and T const are identical. With pointer types it becomes more complicated:
const char* is a pointer to a constant char
char const* is a pointer to a constant char
char* const is a constant pointer to a (mutable) char
In o...
jQuery: more than one handler for same event
What happens if I bind two event handlers to the same event for the same element?
8 Answers
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Comment shortcut Android Studio
I'm searching for useful Android Studio keyboard shortcut for commenting code, as in Sublime Text or Eclipse.
24 Answers
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Safe (bounds-checked) array lookup in Swift, through optional bindings?
If I have an array in Swift, and try to access an index that is out of bounds, there is an unsurprising runtime error:
19 A...
How do I shutdown, restart, or log off Windows via a bat file?
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The most common ways to use the shutdown command are:
shutdown -s — Shuts down.
shutdown -r — Restarts.
shutdown -l — Logs off.
shutdown -h — Hibernates.
Note: There is a common pitfall wherein users think -h means "help" (which it does for every other comman...
SVG get text element width
I'm working on some ECMAScript/JavaScript for an SVG file and need to get the width and height of a text element so I can resize a rectangle that surrounds it. In HTML I would be able to use the offsetWidth and offsetHeight attributes on the element but it appears that those properties are...
Can ordered list produce result that looks like 1.1, 1.2, 1.3 (instead of just 1, 2, 3, …) with css?
...t;
</ol>
</li>
</ol>
See Nested counters and scope for more information.
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Convenient C++ struct initialisation
...you don't have to wait, because they are officialy supported by GCC, Clang and MSVC.
#include <iostream>
#include <filesystem>
struct hello_world {
const char* hello;
const char* world;
};
int main ()
{
hello_world hw = {
.hello = "hello, ",
.world = "worl...
How to set the context path of a web application in Tomcat 7.0
...t settings for the root context of the tomcat installation for that engine and host (Catalina and localhost).
Enter the following to the ROOT.xml file;
<Context
docBase="<yourApp>"
path=""
reloadable="true"
/>
Here, <yourApp> is the name of, well, your app.. :)
And t...
Return empty cell from formula in Excel
...A, then. You'll iterate over the cells in your range, test the condition, and delete the contents if they match.
Something like:
For Each cell in SomeRange
If (cell.value = SomeTest) Then cell.ClearContents
Next
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