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Add column to SQL Server
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Use this query:
ALTER TABLE tablename ADD columname DATATYPE(size);
And here is an example:
ALTER TABLE Customer ADD LastName VARCHAR(50);
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Concatenating two std::vectors
... I'd only add code to first get the number of elements each vector holds, and set vector1 to be the one holding the greatest. Should you do otherwise you're doing a lot of unnecessary copying.
– Joe Pineda
Oct 14 '08 at 16:11
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Make anchor link go some pixels above where it's linked to
...This will allow the browser to do the work of jumping to the anchor for us and then we will use that position to offset from.
EDIT 1:
As was pointed out by @erb, this only works if you are on the page while the hash is changed. Entering the page with a #something already in the URL does not work w...
Completion block for popViewController
...tion:
[CATransaction begin];
[CATransaction setCompletionBlock:^{
// handle completion here
}];
[self.navigationController popViewControllerAnimated:YES];
[CATransaction commit];
The completion block will be called as soon as the animation used by popViewControllerAnimated: ends. This funct...
Collisions when generating UUIDs in JavaScript?
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My best guess is that Math.random() is broken on your system for some reason (bizarre as that sounds). This is the first report I've seen of anyone getting collisions.
node-uuid has a test harness that you can use to test the distribution of hex digits...
Reading a key from the Web.Config using ConfigurationManager
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Thanks for your answer, I tried as you recommended and still get the same result. I actually now get a NullReferenceException on the ToString()
– twal
Jan 4 '11 at 15:37
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Should I embed images as data/base64 in CSS or HTML
... be used together (like CSS sprites) when IE compatibility doesn't matter, and saving the request is more important than cacheability.
It has a number of notable downsides:
Doesn't work at all in IE6 and 7.
Works for resources only up to 32k in size in IE8. This is the limit that applies after ...
Decimal number regular expression, where digit after decimal is optional
...which would force a digit after a decimal point.
– Chandranshu
Nov 12 '13 at 6:16
2
@Chandranshu ...
File uploading with Express 4.0: req.files undefined
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The body-parser module only handles JSON and urlencoded form submissions, not multipart (which would be the case if you're uploading files).
For multipart, you'd need to use something like connect-busboy or multer or connect-multiparty (multiparty/formi...
Find out time it took for a python script to complete execution
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Do you execute the script from the command line on Linux or UNIX? In that case, you could just use
time ./script.py
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