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Measure elapsed time in Swift
...erence in nano seconds (UInt64)
let timeInterval = Double(nanoTime) / 1_000_000_000 // Technically could overflow for long running tests
print("Time to evaluate problem \(problemNumber): \(timeInterval) seconds")
return theAnswer
}
Old answer
For Swift 1 and 2, my function uses NSDate...
How do I use vim registers?
...
How to enable if one has -xterm_clipboard on vim --version. Any simple package to install? (debian/apt-get). Thanks.
– DrBeco
Aug 24 '14 at 22:30
...
browser sessionStorage. share between tabs?
...ts.
// transfers sessionStorage from one tab to another
var sessionStorage_transfer = function(event) {
if(!event) { event = window.event; } // ie suq
if(!event.newValue) return; // do nothing if no value to work with
if (event.key == 'getSessionStorage') {
// another tab asked f...
Ant task to run an Ant target only if a file exists?
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Check Using Filename filters like DB_*/**/*.sql
Here is a variation to perform an action if one or more files exist corresponding to a wildcard filter. That is, you don't know the exact name of the file.
Here, we are looking for "*.sql" files in any sub-dire...
Java FileReader encoding issue
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@NobleUplift: the safest bet is StandardCharsets.UTF_8, there's no chance of mistyping there ;-) But yes, if you go with string "UTF8" would be correct (although I seem to remember that it will accept both ways).
– Joachim Sauer
Nov 13 '1...
TemplateDoesNotExist - Django Error
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Make sure you have rest_framework listed in your settings.py INSTALLED_APPS.
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Exception messages in English?
...ionLogger class looks something like:
class ExceptionLogger
{
Exception _ex;
public ExceptionLogger(Exception ex)
{
_ex = ex;
}
public void DoLog()
{
Console.WriteLine(_ex.ToString()); //Will display en-US message
}
}
However, as Joe correctly points out in a comment on an...
Passing variables in remote ssh command
...from my machine using ssh and pass through the environment variable $BUILD_NUMBER
7 Answers
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Replace all non-alphanumeric characters in a string
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Use \W which is equivalent to [^a-zA-Z0-9_]. Check the documentation, https://docs.python.org/2/library/re.html
Import re
s = 'h^&ell`.,|o w]{+orld'
replaced_string = re.sub(r'\W+', '*', s)
output: 'h*ell*o*w*orld'
update: This solution will exclude undersco...
jquery data selector
... going to be extremely great compared to what's possible, selecting from $._cache and grabbing the corresponding elements is by far the fastest, but a lot more round-about and not very "jQuery-ey" in terms of how you get to stuff (you usually come in from the element side). Of th top of my head, I'...