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Bidirectional 1 to 1 Dictionary in C#
...neToOne<T, S> which is guaranteed to only contain one of each value and key (up to RefEquals anyway), and which can be searched using either key or value. Anyone know of one, or should I just implement it myself? I can't believe that I'm the first person to need this...
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jQuery delete all table rows except first
...he first? This is my first attempt at using index selectors. If I understand the examples correctly, the following should work:
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Detect the Enter key in a text input field
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Your code wasnt working because you used .is() and needed === rather than ==. See my answer for some more details.
– wesbos
Aug 15 '11 at 0:48
7
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How do you run multiple programs in parallel from a bash script?
...t prog1.
Send it to background, but keep printing its output.
Start prog2, and keep it in foreground, so you can close it with ctrl-c.
When you close prog2, you'll return to prog1's foreground, so you can also close it with ctrl-c.
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How does deriving work in Haskell?
...-). This is to say that automatic deriving is baked into the Haskell spec, and every compiler can choose to implement it in its own way. There's lots of work on how to make it extensible however.
Derive is a tool for Haskell to let you write your own deriving mechanisms.
GHC used to provide a deri...
Remove all classes that begin with a certain string
... is on the div. I want to be able to clear all classes with a given prefix and then add a new one. If I want to remove all of the classes that begin with "bg", how do I do that? Something like this, but that actually works:
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In Android, how do I set margins in dp programmatically?
In this , this and this thread I tried to find an answer on how to set the margins on a single view. However, I was wondering if there isn't an easier way. I'll explain why I rather wouldn't want to use this approach:
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Is there a 'foreach' function in Python 3?
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It's not map(), because map() accumulates and returns a list, while foreach() doesn't. The difference could be quite expensive if you're iterating over a long list of items. Agreed that for() does the trick.
– Canuck
Apr 8 '15 ...
How do I calculate square root in Python?
...ve to write: sqrt = x**(1/2.0), otherwise an integer division is performed and the expression 1/2 returns 0.
This behavior is "normal" in Python 2.x, whereas in Python 3.x 1/2 evaluates to 0.5. If you want your Python 2.x code to behave like 3.x w.r.t. division write from __future__ import division...
How do I flush the PRINT buffer in TSQL?
...long-running stored procedure in SQL Server 2005 that I'm trying to debug, and I'm using the 'print' command to do it. The problem is, I'm only getting the messages back from SQL Server at the very end of my sproc - I'd like to be able to flush the message buffer and see these messages immediately d...