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How do I check if a SQL Server text column is empty?
... upvoted, but ... where ISNULL( TRIM( Field), '') = '' is even better ;-), if you feel that " " is an Empty string even with spaces inside
– Kirsten
Jun 13 '19 at 7:26
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Multiple returns from a function
...unction wtf($blahblah = true) {
$var1 = "ONe";
$var2 = "tWo";
if($blahblah === true) {
return $var2;
}
return $var1;
}
In application:
echo wtf();
//would echo: tWo
echo wtf("not true, this is false");
//would echo: ONe
If you wanted them both, you could modify the fu...
Dynamically Changing log4j log level
What are the different approaches for changing the log4j log level dynamically, so that I will not have to redeploy the application. Will the changes be permanent in those cases?
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Why does ASP.NET webforms need the Runat=“Server” attribute?
Why do I have to specify runat="server" on all my ASP.NET controls when it is a mandatory attribute and server is the only option available in my limited knowledge of ASP.NET, and I get an error if I don't use it?
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minimum double value in C/C++
...oint, but the C standard requires -DBL_MAX to be exactly representable, so if the FP hardware is not capable of that, the implementation just has to work around it. See the floating-point model in 5.2.4.2.2 Characteristics of floating types <float.h> p2 of C99 (may have been moved elsewhere si...
Decoding JSON using json.Unmarshal vs json.NewDecoder.Decode
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It really depends on what your input is. If you look at the implementation of the Decode method of json.Decoder, it buffers the entire JSON value in memory before unmarshalling it into a Go value. So in most cases it won't be any more memory efficient (although thi...
Get UIScrollView to scroll to the top
...RIGINAL
[self.scrollView setContentOffset:CGPointZero animated:YES];
or if you want to preserve the horizontal scroll position and just reset the vertical position:
[self.scrollView setContentOffset:CGPointMake(self.scrollView.contentOffset.x, 0)
animated:YES];
...
Which sort algorithm works best on mostly sorted data? [closed]
...
Based on the highly scientific method of watching animated gifs I would say Insertion and Bubble sorts are good candidates.
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prevent property from being serialized in web API
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ASP.NET Web API uses Json.Net as default formatter, so if your application just only uses JSON as data format, you can use [JsonIgnore] to ignore property for serialization:
public class Foo
{
public int Id { get; set; }
public string Name { get; set; }
[JsonIgnore]...
What is the meaning of the 'g' flag in regular expressions?
...@xr280xr Not irrelevant, more like counterproductive. It will break things if you re-use the RegExp. var r = /a/g; console.log(r.test('a'), r.test('a')); // true false
– Janosch
Oct 7 '18 at 18:38
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