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Get selected value in dropdown list using JavaScript
... = document.getElementById("ddlViewBy");
var strUser = e.options[e.selectedIndex].value;
Would make strUser be 2. If what you actually want is test2, then do this:
var e = document.getElementById("ddlViewBy");
var strUser = e.options[e.selectedIndex].text;
Which would make strUser be test2
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Maximum value for long integer
...xsize can be used as an
integer larger than any practical list or string index. It conforms to
the implementation’s “natural” integer size and is typically the same
as sys.maxint in previous releases on the same platform (assuming the
same build options).
and, for anyone interested i...
Getting SyntaxError for print with keyword argument end=' '
...ing in Python 2.x, you'd put a comma at the end:
print "Building internam Index for %d tile(s) ..." % len(inputTiles),
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How to empty a list?
...
Which means: Splice in the list [] (0 elements) at the location [:] (all indexes from start to finish)
The [:] is the slice operator. See this question for more information.
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Test whether a list contains a specific value in Clojure
...se the keys here are indices and the vector in question does "contain" the index 0!).
To add to the confusion, in cases where it doesn't make sense to call contains?, it simply return false; this is what happens in (contains? :foo 1) and also (contains? '(100 101 102) 101). Update: In Clojure ≥ 1...
Automatic TOC in github-flavoured-markdown
...u.rubyforge.org/maruku.md or raw.github.com/MahApps/MahApps.Metro/gh-pages/index.md
– Rebecca Scott
May 10 '12 at 12:55
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Remove NA values from a vector
...lues have been removed.
Remember is.na(foo) returns a boolean matrix, so indexing foo with the opposite of this value will give you all the elements which are not NA.
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Extract a dplyr tbl column as a vector
...ad because you do not need to repeat the name of the column or specify the index.
iris2 %>% select(Species) %>% unlist(use.names = FALSE)
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rails + MySQL on OSX: Library not loaded: libmysqlclient.18.dylib
...lient.18.dylib /usr/local/mysql/lib/libmysqlclient.18.dylib /usr/local/bin/indexer
sudo install_name_tool -change libmysqlclient.18.dylib /usr/local/mysql/lib/libmysqlclient.18.dylib /usr/local/bin/search
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Ruby - test for array
... The only issue with this is say I want to check if something is an indexed iterable, so arrays, linked lists, etc. would be cool, but I don't want key value stores like hashes?
– Colton Voege
Jan 8 '17 at 3:52
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