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How can I SELECT rows with MAX(Column value), DISTINCT by another column in SQL?
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You are so close! All you need to do is select BOTH the home and its max date time, then join back to the topten table on BOTH fields:
SELECT tt.*
FROM topten tt
INNER JOIN
(SELECT home, MAX(datetime) AS MaxDateTime
FROM topten
GROUP BY home) groupedtt
ON tt.home = groupe...
Callback after all asynchronous forEach callbacks are completed
...=== array.length) {
callback();
}
});
});
(thanks to @vanuan and others) This approach guarantees that all items are processed before invoking the "done" callback. You need to use a counter that gets updated in the callback. Depending on the value of the index parameter does not provid...
dyld: Library not loaded … Reason: Image not found
...libSystem.B.dylib (compatibility version 1.0.0, current version 169.3.0)
and for each libboost_xxx.dylib, do:
$ install_name_tool -change @executable_path/libboost_something.dylib /opt/local/lib/libboost_something.dylib exefile
and finally verify using otool again:
$ otool -L exefile
exefile:
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Genymotion, “Unable to load VirtualBox engine.” on Mavericks. VBox is setup correctly
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I had the same problem and solved it by running the following command:
sudo /Library/StartupItems/VirtualBox/VirtualBox restart
In later versions, the command is
sudo /Library/Application\ Support/VirtualBox/LaunchDaemons/VirtualBoxStartup.sh ...
How do I declare a 2d array in C++ using new?
... rowCount; ++i)
a[i] = new int[colCount];
The above, for colCount= 5 and rowCount = 4, would produce the following:
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Entity Framework and SQL Server View
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We had the same problem and this is the solution:
To force entity framework to use a column as a primary key, use ISNULL.
To force entity framework not to use a column as a primary key, use NULLIF.
An easy way to apply this is to wrap the select ...
The type or namespace name does not exist in the namespace 'System.Web.Mvc'
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Clean your solution and then set the property of those files to Copy Local = True.
To set the Copy Local property to True or False
In Solution Explorer, click the Show All Files button to display the References node.
Open the References node...
Unit Testing AngularJS directive with templateUrl
... ngMock. The ngMock module is automatically loaded for every Angular test, and it initializes the mock $httpBackend to handle any use of the $http service, which includes template fetching. The template system tries to load the template through $http and it becomes an "unexpected request" to the moc...
Unicode character as bullet for list-item in CSS
...probably go for an image background, they're much more efficient versatile and cross-browser-friendly.
Here's an example:
<style type="text/css">
ul {list-style:none;} /* you should use a css reset too... ;) */
ul li {background:url(images/icon_star.gif) no-repeat 0 5px;}
</style>
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MVC4 StyleBundle not resolving images
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According to this thread on MVC4 css bundling and image references, if you define your bundle as:
bundles.Add(new StyleBundle("~/Content/css/jquery-ui/bundle")
.Include("~/Content/css/jquery-ui/*.css"));
Where you define the bundle on the same path ...