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How do I sort strings alphabetically while accounting for value when a string is numeric?
..." };
var size = from x in sizes
orderby x.Length, x
select x;
foreach (var p in size)
{
Console.WriteLine(p);
}
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Why were pandas merges in python faster than data.table merges in R in 2012?
...re-computed indexes for various columns to accelerate operations like data selection and merges. In this case (database joins) pandas' DataFrame contains no pre-computed information that is being used for the merge, so to speak it's a "cold" merge. If I had stored the factorized versions of the join...
How to pass prepareForSegue: an object
...ntifier:sender: method to activate the transition to a new view based on a selection or button press.
For instance, consider I had two view controllers. The first contains three buttons and the second needs to know which of those buttons has been pressed before the transition. You could wire t...
What is in your .vimrc? [closed]
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is there any way to select from more colors?
– Fzs2
Aug 13 '10 at 10:13
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Can I hex edit a file in Visual Studio?
...
Menu File → Open → File
Select the file to be opened
On the open file dialog at the bottom there is a down arrow on the "Open" button
Click "Open With..."
Click "Binary Editor"
Click OK
Or for the keyboard geeks out there:
Ctrl + o
Ctrl + v (pas...
Converting a Uniform Distribution to a Normal Distribution
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You can use the PDF if you're prepared to randomly select a direction relative to the mean; do I understand that right?
– Mark McKenna
Sep 28 '14 at 21:43
2...
List distinct values in a vector in R
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You can also use the sqldf package in R.
Z <- sqldf('SELECT DISTINCT tablename.columnname FROM tablename ')
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How do I escape a percentage sign in T-SQL?
... '!' (or your character of choice) to the end of the query.
For example:
SELECT *
FROM prices
WHERE discount LIKE '%80!% off%'
ESCAPE '!'
This will make the database treat 80% as an actual part of the string to search for and not 80(wildcard).
MSDN Docs for LIKE
...
What is the difference between Serializable and Externalizable in Java?
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We used Externalizable for large collections of "selected IDs" -- it was far more efficient externalizing as more-or-less a count & an array of primitive ints, than default serialization. That's a very simple usecase, nothing "special" or "unique".
...
How to use knockout.js with ASP.NET MVC ViewModels?
...ded with KO, they have a dblClick event binded that when fired, remove the selected item from the current list and add it to the other list, when you post to the Controller, the content of each list is sent as JSON data and re-attached to the server model
Nuggets:
Newtonsoft
jQuery
knockoutjs
Knock...