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PostgreSQL - max number of parameters in “IN” clause?
...ArrayOpExpr from IN/NOT IN, but this is only
* possible if the inputs are all scalars (no RowExprs) and there is a
* suitable array type available. If not, we fall back to a boolean
* condition tree with multiple copies of the lefthand expression.
* Also, any IN-list items that contain Vars are...
jQuery’s .bind() vs. .on()
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Internally, .bind maps directly to .on in the current version of jQuery. (The same goes for .live.) So there is a tiny but practically insignificant performance hit if you use .bind instead.
However, .bind may be removed from futu...
How to flatten tree via LINQ?
...lt;T>> f
) => e.SelectMany(c => f(c).Flatten(f)).Concat(e);
Call this function like this:
IEnumerable<MyNode> tree = ....
var res = tree.Flatten(node => node.Elements);
If you would prefer flattening in pre-order rather than in post-order, switch around the sides of the Con...
How to set up a git project to use an external repo submodule?
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You have a project -- call it MyWebApp that already has a github repo
You want to use the jquery repository in your project
You want to pull the jquery repo into your project as a submodule.
Submodules are really, really easy to reference and use...
IIS Express Immediately shutting-down running site after stopping web application
...t and Continue checkbox in project properties) you have to use the "Detech all" command to stop debugging.
The debugger will detach from the iis process without closing it.
Clearly "Edit and Continue" feature will not work until you start debugging again.
...
How to remove the default link color of the html hyperlink 'a' tag?
...erited. This
<a href="http://example.com">link</a> would normally take on the default link or visited color, but has been styled to inherit the color from the paragraph.</p>
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Downcasting in Java
Upcasting is allowed in Java, however downcasting gives a compile error.
11 Answers
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The case against checked exceptions
...jlsberg and his work, this argument has always struck me as bogus. It basically boils down to:
"Checked exceptions are bad because programmers just abuse them by always catching them and dismissing them which leads to problems being hidden and ignored that would otherwise be presented to the us...
What is the difference between Flex/Lex and Yacc/Bison?
...itimate copies of (the original, AT&T versions of) Lex and Yacc to install on Ubuntu. I wouldn't necessarily say it is impossible, but I'm not aware of such. Flex and Bison are readily available and are equivalent for most purposes. You may also find various alternative and approximately equi...
Delete branches in Bitbucket
...icon. Click that, then choose Delete branch. Just be sure you want to drop all the changes there!
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