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Getting result of dynamic SQL into a variable for sql-server
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You've probably tried this, but are your specifications such that you can do this?
DECLARE @city varchar(75)
DECLARE @count INT
SET @city = 'London'
SELECT @count = COUNT(*) FROM customers WHERE City = @city
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How do you check if a certain index exists in a table?
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You can also wrap the statement into a IF EXISTS(SELECT * ...) BEGIN ... END.
– bounav
Sep 23 '13 at 9:10
27
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MVVM in WPF - How to alert ViewModel of changes in Model… or should I?
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If you want your Models to alert the ViewModels of changes, they should implement INotifyPropertyChanged, and the ViewModels should subscribe to receive PropertyChange notifications.
Your code might look something like this:...
Directory does not exist. Parameter name: directoryVirtualPath
...em.Web.Optimization;
// a more fault-tolerant bundle that doesn't blow up if the file isn't there
public class BundleRelaxed : Bundle
{
public BundleRelaxed(string virtualPath)
: base(virtualPath)
{
}
public new BundleRelaxed IncludeDirectory(string directoryVirtualPath, st...
Black transparent overlay on image hover with only CSS?
...set optional dimensions on the .image element, and relatively position it. If you are aiming for a responsive image, just omit the dimensions and this will still work (example). It's just worth noting that the dimensions must be on the parent element as opposed to the img element itself, see.
.image...
What does ^M character mean in Vim?
... Just in case you're on Windows, Ctrl+V will probably be mapped to paste. If that's the case the defaults remap the "special character escape" key it to Ctrl+Q.
– R. Martinho Fernandes
May 1 '11 at 17:45
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How to save an activity state using save instance state?
...ges to the savedInstanceState.
// This bundle will be passed to onCreate if the process is
// killed and restarted.
savedInstanceState.putBoolean("MyBoolean", true);
savedInstanceState.putDouble("myDouble", 1.9);
savedInstanceState.putInt("MyInt", 1);
savedInstanceState.putString("MyStri...
Should the .gradle folder be added to version control?
...se:
it can get big and be full of binary files
there can be machine specific data in there
there's a lot of churn in there (you'd be constantly committing changes to files in there)
everything in there can be completely re-generated whenever it is needed anyway
It's basically a temp directory t...
iOS开发调试技巧总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...令】
Xcode中使用llvm编译器，公认为最好的C、C++、OC、Swift编译器。而lldb是llvm中的调试器，我们可以使用一些简单的命令进行调试，我还是把上面的循环代码作为测试代码。
断点调试中，使用po命令、print命令在Console控制台打...
Removing multiple classes (jQuery)
...ys to .addClass(), .removeClass() and toggleClass(), which makes it easier if there is any logic which determines which classes should be added or removed, as you don't need to mess around with the space-delimited strings.
$("div").removeClass(["class1", "class2"]);
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