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jQuery UI Sortable, then write order into a database
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224
The jQuery UI sortable feature includes a serialize method to do this. It's quite simple, real...
Showing Difference between two datetime values in hours
...ues.
For that, I create a timespan variable to store the difference of the 2 date values.
8 Answers
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What is the best way to conditionally apply a class?
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22 Answers
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How to pass a class type as a function parameter
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let type: A.Type = B.self
// Error: 'C' is not a subtype of 'A'
let type2: A.Type = C.self
That's why you shouldn't use AnyClass, unless you really want to allow any class. In this case the right type would be T.Type, because it expresses the link between the returningClass parameter and the pa...
How to read XML using XPath in Java
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This will get you the second:
/howto/topic[@name='PowerBuilder']/url[2]/text()
You get that with this code:
expr.evaluate(doc, XPathConstants.STRING);
If you don't know how many URLs are in a given node, then you should rather do something like this:
XPathExpression expr = xpath.compile(...
Wrong syntax highlighting for PHP file in PHPStorm
...exey GopachenkoAlexey Gopachenko
6,95833 gold badges2323 silver badges2525 bronze badges
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How to select the rows with maximum values in each group with dplyr? [duplicate]
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132
Try this:
result <- df %>%
group_by(A, B) %>%
filter(value =...
Display help message with python argparse when script is called without any arguments
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282
This answer comes from Steven Bethard on Google groups. I'm reposting it here to make it easie...
Any good boolean expression simplifiers out there? [closed]
...his example based on your input:
http://www.wolframalpha.com/input/?i=((A%20OR%20B)%20AND%20(NOT%20B%20AND%20C)%20OR%20C)&t=crmtb01&f=rc
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When is TCP option SO_LINGER (0) required?
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82
The typical reason to set a SO_LINGER timeout of zero is to avoid large numbers of connections s...