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In-Place Radix Sort
... million sequences of 5 bases each, it's about 3x faster than an optimized introsort.
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Cleaning `Inf` values from an R dataframe
...ar)
dat %>% rationalize()
Which return a data frame with all Inf are converted to NA.
Timings compared to some above solutions. Code:
library(hablar)
library(data.table)
dat <- data.frame(a = rep(c(1,Inf), 1e6), b = rep(c(Inf,2), 1e6),
c = rep(c('a','b'),1e6),d = rep(c(...
What does -> mean in Python function definitions?
I've recently noticed something interesting when looking at Python 3.3 grammar specification :
7 Answers
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Try-catch speeding up my code?
...k a look at this and reports to me that there seems to be a problem in the interaction between the way the C# compiler generates local variable stores and the way the JIT compiler does register scheduling in the corresponding x86 code. The result is suboptimal code generation on the loads and stores...
Migrating from JSF 1.2 to JSF 2.0
...not present, then scan for *.jsp file. This provides you room to gradually convert from JSP to Facelets behind the scenes without changing the URL's.
But if you're using a prefix url-pattern, like /faces/* and you want to gradually upgrade from JSP to Facelets, then you really have to change it to...
How to printf “unsigned long” in C?
I can never understand how to print unsigned long datatype in C.
8 Answers
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How do I make a composite key with SQL Server Management Studio?
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Open the design table tab
Highlight your two INT fields (Ctrl/Shift+click on the grey blocks in the very first column)
Right click -> Set primary key
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Representing Directory & File Structure in Markdown Syntax [closed]
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brew install dos2unix
dos2unix lib/node_modules/mddir/src/mddir.js
This converts line endings to Unix instead of Dos
Then run as normal with: node mddir "../relative/path/".
Example generated markdown file structure 'directoryList.md'
|-- .bowerrc
|-- .jshintrc
|-- .jshintrc2
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Android - get children inside a View?
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for(int index = 0; index < ((ViewGroup) viewGroup).getChildCount(); index++) {
View nextChild = ((ViewGroup) viewGroup).getChildAt(index);
}
Will that do?
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C# operator overload for `+=`?
... 10
IL_0003: newobj instance void [mscorlib]System.Decimal::.ctor(int32)
IL_0008: stloc.0
IL_0009: ldloc.0
IL_000a: ldc.i4.s 10
IL_000c: newobj instance void [mscorlib]System.Decimal::.ctor(int32)
IL_0011: call valuetype [mscorlib]System.Decimal [mscorlib]System.D...