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How to disable postback on an asp Button (System.Web.UI.WebControls.Button)
...ed your callback to return false; however I'd like to add that doing it by setting the onclick is an ugly old way of doing things. I'd recommend reading about unobtrusive javascript. Using a library like jQuery could make your life easier, and the HTML less coupled to your javascript (and jQuery's...
Relationship between SciPy and NumPy
SciPy appears to provide most (but not all [1]) of NumPy's functions in its own namespace. In other words, if there's a function named numpy.foo , there's almost certainly a scipy.foo . Most of the time, the two appear to be exactly the same, oftentimes even pointing to the same function object.
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Define an 's src attribute in CSS [duplicate]
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No. The closest you can get is setting a background image:
<div id="myimage"></div>
#myimage {
width: 20px;
height: 20px;
background: white url(myimage.gif) no-repeat;
}
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What's the most appropriate HTTP status code for an “item not found” error page
...o update it, some other thread or process ignored your lock (or you didn't set one) and deleted it. That's not good. Alternatively, if you're trying to update object id=n (where n is provided to you) without first checking it exists, you're missing a validation step in your update logic, which is al...
Python setup.py develop vs install
Two options in setup.py develop and install are confusing me. According to this site , using develop creates a special link to site-packages directory.
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How to filter by IP address in Wireshark?
... particular machine's traffic, use a capture filter instead, which you can set under Capture -> Options.
host 192.168.1.101
Wireshark will only capture packet sent to or received by 192.168.1.101. This has the benefit of requiring less processing, which lowers the chances of important packets...
How to allow only one radio button to be checked?
...won't be sent when submitting the form. The name is used by the browser to set "groups" of radio buttons, only one radio button in each group can be selected at one time and selecting other will clear the previous selection. :)
– Shadow Wizard is Ear For You
Ma...
What does `void 0` mean? [duplicate]
...wnvotes on this. When this was posted 3 years ago, browsers allowed you to set undefined to any value.
– epascarello
May 30 '14 at 12:50
7
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How to use concerns in Rails 4
The default Rails 4 project generator now creates the directory "concerns" under controllers and models. I have found some explanations about how to use routing concerns, but nothing about controllers or models.
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How to create an array of object literals in a loop?
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it looks like you are missing a semi-colon after you set the var key?
– superUntitled
Nov 24 '13 at 1:32
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