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Concurrent HashSet in .NET Framework?
... you the same advantages than a HashSet<T> except key and value are different objects.
Source: Social MSDN
ConcurrentBag
If you don't mind about the duplicate entries, you can use the class ConcurrentBag<T> in the same namespace of the previous class.
private ConcurrentBag<string&...
How do you create a Swift Date object?
...her date-times, you can use one of the following methods.
Method 1
If you know the number of seconds before or after the 2001 reference date, you can use that.
let someDateTime = Date(timeIntervalSinceReferenceDate: -123456789.0) // Feb 2, 1997, 10:26 AM
Method 2
Of course, it would be easier to us...
AngularJS - How can I do a redirect with a full page load?
...hough. Might be a dirty trick, but it does the work. This is how I have it now:
$scope.openPage = function (pageName) {
window.location = '#/html/pages/' + pageName;
window.location.reload();
};
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What is the difference between re.search and re.match?
...e optional pos
argument regardless of whether a
newline precedes it.
Now, enough talk. Time to see some example code:
# example code:
string_with_newlines = """something
someotherthing"""
import re
print re.match('some', string_with_newlines) # matches
print re.match('someother',
...
How to force a web browser NOT to cache images
...e current time on the server.
Generate time by Javascript with performance.now() or by Python with time.time()
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The forked VM terminated without saying properly goodbye. VM crash or System.exit called
... This is the exact problem I was facing on my Jenkins and it's resolved now. Thanks.
– Vighnesh Pai
Nov 14 '18 at 6:26
...
Is there a simple, elegant way to define singletons? [duplicate]
... bound to the module, which could not be instantiated repeatedly anyway.
If you do wish to use a class, there is no way of creating private classes or private constructors in Python, so you can't protect against multiple instantiations, other than just via convention in use of your API. I would st...
Package objects
...ded to effectively use your API:
implicit def a2b(a: A): B = // ...
}
Now the definitions inside that package object are available inside the whole package foo.bar. Furthermore the definitions get imported when someone outside of that package imports foo.bar._.
This way you can prevent to requ...
__FILE__ macro shows full path
...
If your platform supports it char* fileName = basename(__FILE__); It's definitely there in Linux and OS X, don't know about Windows though.
– JeremyP
Jul 17 '13 at 12:47
...
Keeping ASP.NET Session Open / Alive
...HttpContext context)
{
context.Session["Heartbeat"] = DateTime.Now;
}
}
The key is to add IRequiresSessionState, otherwise Session won't be available (= null). The handler can of course also return a JSON serialized object if some data should be returned to the calling JavaScript.
...