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How do I rename a column in a database table using SQL?
... its type or constraints, just its name) in an SQL database using SQL, how do I do that? Or is it not possible?
11 Answers...
How do I parse a URL into hostname and path in javascript?
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Experimental technology: IE doens't support this! developer.mozilla.org/en-US/docs/Web/API/URL/…
– cwouter
Mar 18 '15 at 15:08
10
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How to capture the browser window close event?
I want to capture the browser window/tab close event.
I have tried the following with jQuery:
17 Answers
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Why are preprocessor macros evil and what are the alternatives?
...his usually leads to strange error messages.
Macros may affect things you don't realize.
So let's expand a little here:
1) Macros can't be debugged.
When you have a macro that translates to a number or a string, the source code will have the macro name, and many debuggers, you can't "see" what...
“rm -rf” equivalent for Windows?
...the directory itself. Used to remove a directory tree.
/Q Quiet mode, do not ask if ok to remove a directory tree with /S
If you are using PowerShell you can use Remove-Item (which is aliased to del, erase, rd, ri, rm and rmdir) and takes a -Recurse argument that can be shorted to -r
rd -r "...
How to enable local network users to access my WAMP sites?
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See the end of this post for how to do this in WAMPServer 3
For WampServer 2.5 and previous versions
WAMPServer is designed to be a single seat developers tool. Apache is therefore configure by default to only allow access from the PC running the server i.e. lo...
How do I declare a 2d array in C++ using new?
How do i declare a 2d array using new?
24 Answers
24
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How do I join two lists in Java?
Conditions: do not modifiy the original lists; JDK only, no external libraries. Bonus points for a one-liner or a JDK 1.3 version.
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How do you overcome the svn 'out of date' error?
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I sometimes get this with TortoiseSVN on windows. The solution for me is to svn update the directory, even though there are no revisions to download or update. It does something to the metadata, which magically fixes it.
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Where do “pure virtual function call” crashes come from?
...alls the base class version, which in the case of a pure virtual function, doesn't exist.
(See live demo here)
class Base
{
public:
Base() { doIt(); } // DON'T DO THIS
virtual void doIt() = 0;
};
void Base::doIt()
{
std::cout<<"Is it fine to call pure virtual function from con...