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Difference between DirectCast() and CType() in VB.NET
.../C++/C# programmer who has just gotten into VB.NET. I generally use CType (and CInt, CBool, CStr) for casts because it is fewer characters and was the first way of casting which I was exposed to, but I am aware of DirectCast and TryCast as well.
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Doctrine 2 can't use nullable=false in manyToOne relation?
...cause it doesn't relate to a specific column. The JoinColumn on the other hand identifies the column in the database. Thus, you can use "normal" attributes like nullable or unique!
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Difference between 'self' and 'total' in Chrome CPU Profile of JS
What is the difference between the 'self' and 'total' columns in the Chrome CPU profiling of JS code?
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Changing case in Vim
Is there a command in Vim that changes the case of the selected text?
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Convert Python program to C/C++ code? [closed]
...e that won't save you anything unless you add a bunch of cdef declarations and thereby introduce static typing (otherwise you just juggle opaque PyObject * stuff). And it will never get quite as fast as plain C because it's usually interfacing with Python (100% or more? only for plain numerical code...
Reference alias (calculated in SELECT) in WHERE clause
...x (or costly to calculate) you should probably consider a computed column (and perhaps persisted) instead, especially if a lot of queries refer to this same expression.
PS your fears seem unfounded. In this simple example at least, SQL Server is smart enough to only perform the calculation once, ev...
When should I use require() and when to use define()?
...laying around with requirejs for the last few days. I am trying to understand the differences between define and require.
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Using app.configure in express
I found some code where they set up Express without using app.configure and I was wondering, what's the difference between using app.configure without an environment specifier and not using it?
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.htaccess mod_rewrite - how to exclude directory from rewrite rule
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@Kelvin: The alternation ($|/) should handle both cases.
– Gumbo
Dec 4 '09 at 21:56
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Matplotlib transparent line plots
I am plotting two similar trajectories in matplotlib and I'd like to plot each of the lines with partial transparency so that the red (plotted second) doesn't obscure the blue.
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