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How to determine if a string is a number with C++?
I've had quite a bit of trouble trying to write a function that checks if a string is a number. For a game I am writing I just need to check if a line from the file I am reading is a number or not (I will know if it is a parameter this way). I wrote the below function which I believe was working s...
How can I create a unique constraint on my column (SQL Server 2008 R2)?
I have SQL Server 2008 R2 and I want to set a unique column.
4 Answers
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How to revert multiple git commits?
I have a git repository that looks like this:
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How can I pipe stderr, and not stdout?
... and stderr , and I need to grep through what's coming to stderr , while disregarding stdout .
11 Answers
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Trigger change() event when setting 's value with val() function
...t is the easiest and best way to trigger change event when setting the value of select element.
5 Answers
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Commands executed from vim are not recognizing bash command aliases
I use bash on mac and one of the aliases is like this
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How to set an environment variable only for the duration of the script?
On Linux (Ubuntu 11.04) in bash, is it possible to temporarily set an environment variable that will only be different from the normal variable for the duration of the script? For example, in a shell script, making an app that saves to HOME portable by temporarily setting HOME to a folder in the pre...
How do I insert a linebreak where the cursor is without entering into insert mode in Vim?
Is possible to insert a line break where the cursor is in Vim without entering into insert mode? Here's an example ( [x] means cursor is on x ):
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Polymorphism in C++
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Understanding of / requirements for polymorphism
To understand polymorphism - as the term is used in Computing Science - it helps to start from a simple test for and definition of it. Consider:
Type1 x;
Type2 y;
f(x);
f(y);
Here, f() is to perform...
Undo git reset --hard with uncommitted files in the staging area
I am trying to recover my work. I stupidly did git reset --hard , but before that I've done only get add . and didn't do git commit . Please help! Here is my log:
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