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How to check for Is not Null And Is not Empty string in SQL server?
...ine)
select iif('xxx' > '', 'true', 'false'); -- true
--
--
-- NOTE - test that tab and newline is processed as expected:
select 'x x' -- tab
select 'x
x' -- newline
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How does Activity.finish() work in Android?
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@CommonsWare I tested sir very true.+1 for you But I wanna ask one question I have written finish() as an first statement in my function then it is executing the whole function and then finish() is called How this managed.
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How do you get AngularJS to bind to the title attribute of an A tag?
... for you, but I imagine it is for similar reasons (old Angular version). I tested this on 1.2.9 and it is working for me.
As for the other answers here, this is NOT among the few use cases for ng-attr! This is a simple double-curly-bracket situation:
<a title="{{product.shortDesc}}" ng-bind="pr...
Simulate first call fails, second call succeeds
I want to use Mockito to test the (simplified) code below. I don't know how to tell Mockito to fail the first time, then succeed the second time.
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How to create a protocol with methods that are optional?
...hod before attempting to call it.
As an example, the pie chart view might test for the segment title method like this:
NSString *thisSegmentTitle;
if ([self.dataSource respondsToSelector:@selector(titleForSegmentAtIndex:)]) {
thisSegmentTitle = [self.dataSource titleForSegmentAtIndex:index];
}...
How to empty/destroy a session in rails?
....clear
or
if specific keys have to be destroyed:
session.delete(key)
Tested in rails 3.2
added
People have mentioned by session={} is a bad idea. Regarding session.clear, Lobati comments- It looks like you're probably better off using reset_session [than session.clear], as it does some oth...
How to select Python version in PyCharm?
...roject interpreter
Select desired Project interpreter
Apply + OK
[NOTE]:
Tested on Pycharm 2018 and 2017.
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Inline code in org-mode
...works as advertised, turning
- Inline code src_sh[:exports code]{echo -e "test"}
Into
in html-export. And the winning answer in this post, https://stackoverflow.com/a/28059832/594138, achieves the same without the need to patch org.el, but you will have to adapt it if you don't like the optics...
How do I get the type name of a generic type argument?
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Make sure to test it with MyMethod<int>>() and see what you get...you have to account for nullable types if you care for the underlying type in that scenario.
– GR7
Apr 5 '10 at 23:11
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Get all column names of a DataTable into string array using (LINQ/Predicate)
...Jon I think you forogot to add 'using System.Linq;' to your usings. I just tested my code and I get the exceptions you mention when 'using System.Linq;' isn't there.
– Sem Vanmeenen
Jul 28 '11 at 13:03
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