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Set the selected index of a Dropdown using jQuery
How do I set the index of a dropdown in jQuery if the way I'm finding the control is as follows:
9 Answers
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how to check redis instance version?
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This doesn't give you the currently running version though. I had upgraded a server to 3.2.8 via yum, and this command showed the new version, but the server needed to be restarted manually to launch the new version, whereas INFO correctly reported the old version....
How can I write text on a HTML5 canvas element?
...extAlign = 'center' ctx.fillText('Hello', 100, 10) vertical: ctx.textBaseline = 'middle' ctx.fillText('Hello', 10, 50)
– tomision
Aug 18 '16 at 6:30
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CORS Access-Control-Allow-Headers wildcard being ignored?
I am having trouble getting a cross domain CORS request to work correctly using Chrome.
5 Answers
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Preview an image before it is uploaded
... (image) before it is uploaded. The preview action should be executed all in the browser without using Ajax to upload the image.
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How do I pass multiple parameters into a function in PowerShell?
If I have a function which accepts more than one string parameter, the first parameter seems to get all the data assigned to it, and remaining parameters are passed in as empty.
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Coalesce function for PHP?
Many programming languages have a coalesce function (returns the first non-NULL value, example ). PHP, sadly in 2009, does not.
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Using Html.ActionLink to call action on different controller
I am trying to navigate between controllers using ActionLink . I will tell my problem with an example.
9 Answers
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Script to kill all connections to a database (More than RESTRICTED_USER ROLLBACK)
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This is the better answer of the two; avoids taking the database offline and the accepted answer doesn't always work (sometimes it can't roll everything back).
– Mark Henderson
May 1 '13 at 21:50
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MySQL Great Circle Distance (Haversine formula)
I've got a working PHP script that gets Longitude and Latitude values and then inputs them into a MySQL query. I'd like to make it solely MySQL. Here's my current PHP Code:
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