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Is it possible to install another version of Python to Virtualenv?
...account in a web-hosting that has Python 2.4 installed, but my code is not compatible with 2.4. Is it possible to install Python 2.6 directly to Virtualenv?
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Method Resolution Order (MRO) in new-style classes?
...rucial difference between resolution order for legacy vs new-style classes comes when the same ancestor class occurs more than once in the "naive", depth-first approach -- e.g., consider a "diamond inheritance" case:
>>> class A: x = 'a'
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>>> class B(A): pass
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>>>...
How to read a CSV file into a .NET Datatable
...ders specified in the first line. What you have appears to be more generic comma-delimited, discriminated data, requiring more sophisticated "ETL" to parse from the file into object instances of varying types (which could include DataRows of different DataTables).
– KeithS
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Adding and removing style attribute from div with jquery
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Watermark / hint text / placeholder TextBox
...x:Class="WaterMarkTextBoxDemo.Window1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="clr-namespace:WaterMarkTextBoxDemo"
Height="200" Width="400">
<Window.Resources>
<Sol...
What is data oriented design?
...ht do operations that affects only part of a balls properties. E.g. if you combine the colors of all the balls in various ways, then you want your cache to only contain color information. However when all ball properties are stored in one unit you will pull in all the other properties of a ball as w...
How to compile without warnings being treated as errors?
The problem is that the same code that compiles well on Windows, is unable to compile on Ubuntu. Every time I get this error:
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Why does javascript map function return undefined?
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Performance of FOR vs FOREACH in PHP
... of all, I understand in 90% of applications the performance difference is completely irrelevant, but I just need to know which is the faster construct. That and...
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val-mutable versus var-immutable in Scala
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Pretty common question, this one. The hard thing is finding the duplicates.
You should strive for referential transparency. What that means is that, if I have an expression "e", I could make a val x = e, and replace e with x. This ...