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Prevent browser caching of AJAX call result
...I haven't deleted it), but there are better/cleaner ways of achieving this now. My preference is for this method, but this answer is also useful if you want to disable caching for every request during the lifetime of a page.
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Explanation of …
... retrieve the full text again using .innerHTML, hence it's common practice now among templating engines.
– David Tang
Feb 6 '11 at 10:01
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Postgresql - change the size of a varchar column to lower length
...ne tries to update anything on that row it's going to reject it as too big now, at the point it goes to store the new version of the row. Hilarity ensues for the user.
VARCHAR is a terrible type that exists in PostgreSQL only to comply with its associated terrible part of the SQL standard. If you...
Binding a Button's visibility to a bool value in ViewModel
...rty itself of type Visibility) though I would prefer not to do that, since now you are messing with the separation of concerns. An item's visbility should really be up to the View.
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Why does !{}[true] evaluate to true in JavaScript?
... @Cruncher If a is undefined, and b is undefined, how can we possibly know that a != b? Particularly when the only known characteristic of the two variables is exactly the same.
– LJ2
Oct 31 '13 at 18:15
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undefined reference to boost::system::system_category() when compiling
...y's features).
Starting from Boost 1.66 and this commit, this behavior is now the default, so hopefully fewer and fewer users should need this answer.
As noticed by @AndrewMarshall, an alternative is to define BOOST_ERROR_CODE_HEADER_ONLY which enables a header-only version of the code. This was d...
How to have conditional elements and keep DRY with Facebook React's JSX?
...ple of when a developer (me) tries to transfer patterns and approaches he knows from one area to another but it doesn't really work (in this case other template languages).
If you need a conditional element, do it like this:
render: function () {
return (
<div id="page">
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jquery.validate.unobtrusive not working with dynamic injected elements
...rdion is collapsed, it does't fire the validations. How can I fix this? I know if I had gone for normal jquery validate plugin instead of MVC3 unobtrusive, I had to say $('#form').validate({ignore: ""})
– parsh
Jun 7 '13 at 18:29
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EC2 instance has no public DNS
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The section containing VPCs is now called Networking. And to edit, you right-click on the VPC.
– nasch
May 20 '15 at 19:31
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Accessing MP3 metadata with Python [closed]
...answered Sep 19 '08 at 14:30
OwenOwen
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