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How to implement one-to-one, one-to-many and many-to-many relationships while designing tables?
...ve a
# "link back" if you need
You must also put a unique constraint on the foreign key column (addess.student_id) to prevent multiple rows in the child table (address) from relating to the same row in the referenced table (student).
One-to-...
Best timestamp format for CSV/Excel?
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Yeah -- I agree with you and Fredrik. If you could dig up those references, I'd certainly be grateful. Thanks!
– Jon
Apr 29 '09 at 21:03
18
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android.widget.Switch - on/off event listener?
...sChecked) {
// do something, the isChecked will be
// true if the switch is in the On position
}
});
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What is a “first chance exception”?
...ions are thrown to the debugger first and then to the actual program where if it isn't handled it gets thrown to the debugger a second time, giving you a chance to do something with it in your IDE before and after the application itself. This appears to be a Microsoft Visual Studio invention.
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How do I create a file and write to it in Java?
...andling.
Note that each of the code samples below will overwrite the file if it already exists
Creating a text file:
PrintWriter writer = new PrintWriter("the-file-name.txt", "UTF-8");
writer.println("The first line");
writer.println("The second line");
writer.close();
Creating a binary file:
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Find out a Git branch creator
... Try cat .git/refs/heads/<branch> in your repository.
That written, if you're really into tracking this information in your repository, check out branch descriptions. They allow you to attach arbitrary metadata to branches, locally at least.
Also DarVar's answer below is a very clever way to...
git update-index --assume-unchanged returns “fatal unable to mark file”
... name. After updating path to the directory so that the full path was specified with proper casing, the command executed properly.
Note that this was with Git for Windows, so you're results may vary with other platforms.
s...
Split string with dot as delimiter
I am wondering if I am going about splitting a string on a . the right way? My code is:
13 Answers
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Server.MapPath(“.”), Server.MapPath(“~”), Server.MapPath(@“\”), ...
Can anyone explain the difference between Server.MapPath(".") , Server.MapPath("~") , Server.MapPath(@"\") and Server.MapPath("/") ?
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Is there a way to select sibling nodes?
...ren(n, skipMe){
var r = [];
for ( ; n; n = n.nextSibling )
if ( n.nodeType == 1 && n != skipMe)
r.push( n );
return r;
};
function getSiblings(n) {
return getChildren(n.parentNode.firstChild, n);
}
...