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How do I make a textbox that only accepts numbers?
...g the KeyPress event and just removing characters which didn't fit the specification. I've looked at the MaskedTextBox control but I'd like a more general solution that could work with perhaps a regular expression, or depend on the values of other controls.
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How to start working with GTest and CMake
...recently been sold on using CMake for compiling my C++ projects, and would now like to start writing some unit tests for my code. I have decided to use the Google Test utility to help with this, but require some help in getting started.
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Find an item in List by LINQ?
...list).
1) Single will return a single result, but will throw an exception if it finds none or more than one (which may or may not be what you want):
string search = "lookforme";
List<string> myList = new List<string>();
string result = myList.Single(s => s == search);
Note SingleO...
How do I get my Python program to sleep for 50 milliseconds?
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Note that if you rely on sleep taking exactly 50 ms, you won't get that. It will just be about it.
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When a 'blur' event occurs, how can I find out which element focus went *to*?
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Now it has. See here.
– rplaurindo
Dec 2 '16 at 5:05
1
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Response.Redirect to new window
...w.
<script type="text/javascript">
function fixform() {
if (opener.document.getElementById("aspnetForm").target != "_blank") return;
opener.document.getElementById("aspnetForm").target = "";
opener.document.getElementById("aspnetForm").action = opener.location.href...
What is “rvalue reference for *this”?
...n"; }
};
int main(){
test t;
t.f(); // OK
test().f(); // OK too
}
Now, onto why @Nicol's answer is atleast partly wrong. He says:
Note that this declaration changes the type of *this.
That is wrong, *this is always an lvalue:
§5.3.1 [expr.unary.op] p1
The unary * operator performs indir...
How to replace spaces in file names using a bash script
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If you're running this on OS X, you'll need to brew install rename
– loeschg
Aug 8 '14 at 17:54
8
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Does “git fetch --tags” include “git fetch”?
..., it is not because --tags was set. As such, this special error message is now irrelevant.
To prevent confusion, remove this error message.
With Git 2.11+ (Q4 2016) git fetch is quicker.
See commit 5827a03 (13 Oct 2016) by Jeff King (peff).
(Merged by Junio C Hamano -- gitster -- in commit...
Visual Studio loading symbols
I'm working on a ColdFusion project for a while now, and Visual Studio started to behave strange for me at least.
16 Answ...