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LINQ to Entities case sensitive comparison

...our SQL Server which by default has SQL_Latin1_General_CP1_CI_AS Collation and that is NOT case sensitive. Using ObjectQuery.ToTraceString to see the generated SQL query that has been actually submitted to SQL Server reveals the mystery: string sqlQuery = ((ObjectQuery)context.Thingies .Wher...
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Is there a way to include commas in CSV columns without breaking the formatting?

I've got a two column CSV with a name and a number. Some people's name use commas, for example Joe Blow, CFA. This comma breaks the CSV format, since it's interpreted as a new column. ...
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What does -D_XOPEN_SOURCE do/mean?

...nclude definitions for some extra functions that are defined in the X/Open and POSIX standards. This will give you some extra functionality that exists on most recent UNIX/BSD/Linux systems, but probably doesn't exist on other systems such as Windows. The numbers refer to different versions of the...
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Installing older version of R package

I am trying to use Rpy2 and ggplot2 but I get an error. After some searching for the error online, I found that the error occurs because there are changes in the ggplot2 package that are not yet reflected in Rpy2 (for example, see this post (Edit: Link is now dead)). ...
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Matplotlib: “Unknown projection '3d'” error

I just installed matplotlib and am trying to run one of there example scripts. However I run into the error detailed below. What am I doing wrong? ...
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Use 'import module' or 'from module import'?

...use import module or from module import . I've just started with Python and I'm trying to start off with best practices in mind. ...
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How can I manually generate a .pyc file from a .py file

... You can use compileall in the terminal. The following command will go recursively into sub directories and make pyc files for all the python files it finds. The compileall module is part of the python standard library, so you don't need to install anything extra to use it. This work...
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CSS table layout: why does table-row not accept a margin?

... See the CSS 2.1 standard, section 17.5.3. When you use display:table-row, the height of the DIV is solely determined by the height of the table-cell elements in it. Thus, margin, padding, and height on those elements have no effect. http://ww...
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Checking if a double (or float) is NaN in C++

... According to the IEEE standard, NaN values have the odd property that comparisons involving them are always false. That is, for a float f, f != f will be true only if f is NaN. Note that, as some comments below have pointed out, not all compilers ...
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How to track down a “double free or corruption” error

...You can set this from gdb by using the set environment MALLOC_CHECK_ 2 command before running your program; the program should abort, with the free() call visible in the backtrace. see the man page for malloc() for more information ...