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How can I check a C# variable is an empty string “” or null? [duplicate]
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Since .NET 2.0 you can use:
// Indicates whether the specified string is null or an Empty string.
string.IsNullOrEmpty(string value);
Additionally, since .NET 4.0 there's a new method that goes a bit farther:
// Indicates whether a ...
SAML vs federated login with OAuth
...ight want to look at the OpenId Spec "authentication built on top of OAuth 2.0"; and also the OAuth 2.0 Spec "The OAuth 2.0 authorization framework"... Again, one is designed for authentication, the other for authorization. Leveraging the later for the former is OK since they share a common underlyi...
WatiN or Selenium? [closed]
...ust want to say that I'm currently working hard on a beta release of WatiN 2.0 somewhere in Q1 of 2009. It will be a major upgrade to the current CTP 2.0 versions and will basically give you the same functionality to automate FireFox and IE as version 1.3.0 offers for automating IE.
So no concerns ...
How to disable scrolling temporarily?
...and IE 11. Newest Chrome, Firefox, Opera ok.
– Timo Kähkönen
Dec 9 '14 at 18:39
Still a tiny bit jumpy on newest Chr...
Format a number as 2.5K if a thousand or more, otherwise 900
...n some cases: en.wikipedia.org/wiki/Kilobyte
– Olle Härstedt
May 1 '17 at 0:01
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Meaning of -
I am new to XML and I am trying to understand the basics. I read the line below in "Learning XML", but it is still not clear, for me. Can someone point me to a book or website which explains these basics clearly?
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Programmatically scroll a UIScrollView
...ation and style of the animation, you can do:
[UIView animateWithDuration:2.0f delay:0 options:UIViewAnimationOptionCurveLinear animations:^{
scrollView.contentOffset = CGPointMake(x, y);
} completion:NULL];
Adjust the duration (2.0f) and options (UIViewAnimationOptionCurveLinear) to taste!
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How to execute raw SQL in Flask-SQLAlchemy app
...dited May 29 at 9:50
Ilja Everilä
36.5k55 gold badges7272 silver badges8686 bronze badges
answered Sep 15 '13 at 4:35
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Why is “using namespace std;” considered bad practice?
...from Bar without problems. But one day you upgrade to a new version of Foo 2.0, which now offers a function called Quux(). Now you've got a conflict: Both Foo 2.0 and Bar import Quux() into your global namespace. This is going to take some effort to fix, especially if the function parameters happen ...
How to get overall CPU usage (e.g. 57%) on Linux [closed]
... full seconds until it returns the result.
– Johan Bjäreholt
Jan 30 '15 at 11:16
Question is closed, so added my (sim...