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How to test if one java class extends another at runtime?
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Are you looking for:
Super.class.isAssignableFrom(Sub.class)
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Install parent POM without building Child modules
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Use the '-N' option in the mvn command.
From mvn -h:
-N,--non-recursive Do not recurse into sub-projects
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How to check if DST (Daylight Saving Time) is in effect, and if so, the offset?
...es DST that lasts for 7 months[1], in an area that observes DST the offset from UTC time in January will be different to the one in July.
While Daylight Savings Time moves clocks forwards, JavaScript always returns a greater value during Standard Time. Therefore, getting the minimum offset between...
Print in one line dynamically
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From http://docs.python.org/reference/simple_stmts.html#print: > A '\n' character is written at the end, unless the print statement ends with a comma. This is the only action if the statement contains just the keyword pri...
Nested classes' scope?
... @George Note that the example with class A isn't mine, it is from the Python official doc whose I gave link. This example fails and that failure is what is wanted to be shown in this example. In fact list(a + i for i in range(10)) is list((a + i for i in range(10))) that is to say list...
Check a collection size with JSTL
...ly using a too old EL version. You'll need JSTL fn:length() function then. From the documentation:
length( java.lang.Object) - Returns the number of items in a collection, or the number of characters in a string.
Put this at the top of JSP page to allow the fn namespace:
<%@ taglib prefix="fn" ...
How to get a substring of text?
...ast (source code)
'1234567890'.last(2) # => "90"
alternatively check from/to (source code):
"hello".from(1).to(-2) # => "ell"
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Is it good practice to make the constructor throw an exception? [duplicate]
... throw Exception it is difficult for the caller to separate this exception from any number of other possible declared and undeclared exceptions. This makes error recovery difficult, and if the caller chooses to propagate the Exception, the problem just spreads.
1 - Some people may disagree, but ...
How to make a transparent UIWebView
... and backgroundColor in IB. For me the style tag was what was keeping this from working.
– devinfoley
Aug 27 '12 at 16:53
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What is the best way to count “find” results?
...hing else with the file names in addition to counting them, you could read from the find output.
n=0
while read -r -d ''; do
((n++)) # count
# maybe perform another act on file
done < <(find <expr> -print0)
echo $n
It is just a modification of a solution found in BashGuide tha...