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Python: reload component Y imported with 'from X import Y'?
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from modulename import func
import importlib, sys
importlib.reload(sys.modules['modulename'])
from modulename import func
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Measuring function execution time in R
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Another possible way of doing this would be to use Sys.time():
start.time <- Sys.time()
...Relevent codes...
end.time <- Sys.time()
time.taken <- end.time - start.time
time.taken
Not the most elegant way to do it, compared to the answere above , but definitely a w...
Using the rJava package on Win7 64 bit with R
...(at least for me). You can check easily within R is JAVA_HOME is set with
Sys.getenv("JAVA_HOME")
If you need to have JAVA_HOME set (e.g. you need it for maven or something else), you could deactivate it within your R-session with the following code before loading rJava:
if (Sys.getenv("JAVA_HO...
Convert int to string?
How can I convert an int datatype into a string datatype in C#?
11 Answers
11
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An efficient way to transpose a file in Bash
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$ time perl test.pl file >/dev/null
real 0m0.480s
user 0m0.442s
sys 0m0.026s
$ time awk -f test.awk file >/dev/null
real 0m0.382s
user 0m0.367s
sys 0m0.011s
$ time perl test.pl file >/dev/null
real 0m0.481s
user 0m0.431s
sys 0m0.022s
$ time awk -f test.a...
Signed to unsigned conversion in C - is it always safe?
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Short Answer
Your i will be converted to an unsigned integer by adding UINT_MAX + 1, then the addition will be carried out with the unsigned values, resulting in a large result (depending on the values of u and i).
Long Answer
According to the C99 Sta...
How to fix “ImportError: No module named …” error in Python?
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Python does not add the current directory to sys.path, but rather the directory that the script is in. Add /home/bodacydo/work/project to either sys.path or $PYTHONPATH.
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How to convert int to char with leading zeros?
I need to convert int datafield to nvarchar with leading zeros
17 Answers
17
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Convert Int to String in Swift
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Converting Int to String:
let x : Int = 42
var myString = String(x)
And the other way around - converting String to Int:
let myString : String = "42"
let x: Int? = myString.toInt()
if (x != nil) {
// Successfully con...
Efficiently convert rows to columns in sql server
I'm looking for an efficient way to convert rows to columns in SQL server, I heard that PIVOT is not very fast, and I need to deal with lot of records.
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