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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
4
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Creating a JSON response using Django and Python
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One downside: it defaults to ensure_ascii and I didn't find a way to override it yet. Created a new question for this: stackoverflow.com/q/34798703/854477
– int_ua
Jan 14 '16 at 20:07
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How do you convert a time.struct_time object into a datetime object?
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@richvdh: C standard specifies that mktime() should take tm_isdst into account and Python time.mktime() calls C mktime() function on CPython. mktime() may choose the wrong local time when it is ambiguous (e.g., during end-of-DST ("fall ba...
Is there a way to detach matplotlib plots so that the computation can continue?
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@noskolo what if I have several figures, how to plot and show Fig1 while continue the background to go on? I'd like this figure being open till the next fig being generated, so at the end I have all figs open and the code is finished. With your current solution, it keeps me wai...
iOS JavaScript bridge
I'm working on an app where I'm going to use both HTML5 in UIWebView and native iOS framework together. I know that I can implement communication between JavaScript and Objective-C. Are there any libraries that simplify implementing this communication? I know that there are several libraries to crea...
Why are variables “i” and “j” used for counters?
...ation notation traditionally uses i for the first index, j for the second, and so on. Example (from http://en.wikipedia.org/wiki/Summation):
It's also used that way for collections of things, like if you have a bunch of variables x1, x2, ... xn, then an arbitrary one will be known as xi.
As...
XmlWriter to Write to a String Instead of to a File
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You need to create a StringWriter, and pass that to the XmlWriter.
The string overload of the XmlWriter.Create is for a filename.
E.g.
using (var sw = new StringWriter()) {
using (var xw = XmlWriter.Create(sw)) {
// Build Xml with xw.
}
return s...
Why aren't variables declared in “try” in scope in “catch” or “finally”?
In C# and in Java (and possibly other languages as well), variables declared in a "try" block are not in scope in the corresponding "catch" or "finally" blocks. For example, the following code does not compile:
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Cancel/kill window.setTimeout() before it happens
..., for example. I have a few of these that hang out for 10 seconds or more and if the user gets clicking around the action can occur at incorrect time intervals.
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Set a default font for whole iOS app?
...c.).
Remember you'll need to put the UIAppFonts value in your info.plist and include the name of the font you're including.
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