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Fastest way to check if a value exists in a list
...to know if a value exists in a list (a list with millions of values in it) and what its index is?
13 Answers
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C dynamically growing array
I have a program that reads a "raw" list of in-game entities, and I intend to make an array holding an index number (int) of an indeterminate number of entities, for processing various things. I would like to avoid using too much memory or CPU for keeping such indexes...
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Rails 4: assets not loading in production
I'm trying to put my app into production and image and css asset paths aren't working.
18 Answers
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read.csv warning 'EOF within quoted string' prevents complete reading of file
...112,544 rows. When I read it into R with read.csv I only get 56,952 rows and this warning:
8 Answers
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AutoMapper vs ValueInjecter [closed]
...ueInjecter, I can tell you that I did it because I wanted something simple and very flexible
I really don't like writing much or writing lots of monkey code like:
Prop1.Ignore, Prop2.Ignore etc.
CreateMap<Foo,Bar>(); CreateMap<Tomato, Potato>(); etc.
ValueInjecter is something like ...
Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
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Culprit: False Data Dependency (and the compiler isn't even aware of it)
On Sandy/Ivy Bridge and Haswell processors, the instruction:
popcnt src, dest
appears to have a false dependency on the destination register dest. Even though the instruction only...
TypeScript and field initializers
...ways have come up. Please see the other answers below that have more votes and a better answer. I cannot remove this answer since it's marked as accepted.
Old answer
There is an issue on the TypeScript codeplex that describes this: Support for object initializers.
As stated, you can already do ...
nonlocal keyword in Python 2.x
I'm trying to implement a closure in Python 2.6 and I need to access a nonlocal variable but it seems like this keyword is not available in python 2.x. How should one access nonlocal variables in closures in these versions of python?
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WiX tricks and tips
We've been using WiX for a while now, and despite the usual gripes about ease of use, it's going reasonably well. What I'm looking for is useful advice regarding:
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What is the email subject length limit?
...e RFC 2822, section 2.1.1 to start.
There are two limits that this
standard places on the number of
characters in a line. Each line of
characters MUST be no more than 998
characters, and SHOULD be no more than
78 characters, excluding the CRLF.
As the RFC states later, you can work a...