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MySQL SELECT only not null values
... to reflect comments. It sounds like your table may not be in first normal form in which case changing the structure may make your task easier. A couple of other ways of doing it though...
SELECT val1 AS val
FROM your_table
WHERE val1 IS NOT NULL
UNION ALL
SELECT val2
FROM your_table
WHERE val2 ...
How to get a Docker container's IP address from the host
...
The --format option of inspect comes to the rescue.
Modern Docker client syntax is:
docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' container_name_or_id
Old Docker client syntax is:
docker inspect ...
django change default runserver port
...
default_port = settings.RUNSERVER_PORT
I'm loading the default port form settings here (which in turn reads other configuration files), but you could just as well read it from some other file directly.
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Find all controls in WPF Window by type
...ou mean "root element" ? What should I write to connect with my mainwindow form?
– deadfish
Dec 30 '11 at 16:02
1
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Zip lists in Python
...
Source: My Blog Post (better formatting)
Example
numbers = [1,2,3]
letters = 'abcd'
zip(numbers, letters)
# [(1, 'a'), (2, 'b'), (3, 'c')]
Input
Zero or more iterables [1] (ex. list, string, tuple, dictionary)
Output (list)
1st tuple = (elemen...
How to test valid UUID/GUID?
...{3}-[089ab][0-9a-f]{3}-[0-9a-f]{12}$/i
...ensures you have a canonically formatted UUID that is Version 1 through 5 and is the appropriate Variant as per RFC4122.
NOTE: Braces { and } are not canonical. They are an artifact of some systems and usages.
Easy to modify the above regex to meet the r...
Swing vs JavaFx for desktop applications [closed]
... built in) and not all of them have made their way to the newer JavaFX platform yet, so there may be a certain amount of re-inventing the wheel if you need something a bit custom. On the other hand, if you want to do transitions / animations / video stuff then this is orders of magnitude easier in F...
WPF: Grid with column/row margin/padding?
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This also applies with Xamarin.Forms.
– James M
Apr 26 '18 at 20:08
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Restricting input to textbox: allowing only numbers and decimal point
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form.onsubmit = function(){
return textarea.value.match(/^\d+(\.\d+)?$/);
}
Is this what you're looking for?
I hope it helps.
EDIT: I edited my example above so that there can only be one period, preceded by at least ...
Validate that end date is greater than start date with jQuery
...e it:
$("#EndDate").rules('add', { greaterThan: "#StartDate" });
or
$("form").validate({
rules: {
EndDate: { greaterThan: "#StartDate" }
}
});
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