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Is it possible to use JS to open an HTML select to show its option list? [duplicate]
...
I am also wishing I could programmatically open a select for keyboard users. In Firefox the change event doesn't fire until the select loses focus, and if the menu isn't actually open, it doesn't select anything when you tab off. LAME-O!
– M...
ArrayList initialization equivalent to array initialization [duplicate]
...rrayList<String>(){{
add("A");
add("B");
}}
What this is actually doing is creating a class derived from ArrayList<String> (the outer set of braces do this) and then declare a static initialiser (the inner set of braces). This is actually an inner class of the containing class, a...
Bash script to set up a temporary SSH tunnel
...le [ ! -e $ctrl_socket ]; do sleep 0.1; done
– Adam Wallner
Feb 11 '18 at 22:19
when I do this I'm getting open failed...
How do I exit the Vim editor?
...ite if there are changes)
:exit to write and exit (same as :x)
:qa to quit all (short for :quitall)
:cq to quit without saving and make Vim return non-zero error (i.e. exit with error)
You can also exit Vim directly from "Normal mode" by typing ZZ to save and quit (same as :x) or ZQ to just quit (...
How do I compute derivative using Numpy?
...rivative of y wrt x. In 8 we apply this derivative function to a vector of all ones and get the vector of all twos. This is because, as stated in line 6, yprime = 2*x.
– MRocklin
Apr 14 '12 at 13:45
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How do I revert a Git repository to a previous commit?
...o temporarily go back to it, fool around, then come back to where you are, all you have to do is check out the desired commit:
# This will detach your HEAD, that is, leave you with no branch checked out:
git checkout 0d1d7fc32
Or if you want to make commits while you're there, go ahead and make a n...
Is the SQL WHERE clause short-circuit evaluated?
...the Formats or by
parentheses, effective evaluation of expressions is generally
performed from left to right. However, it is
implementation-dependent whether expressions are actually evaluated left to right, particularly when operands or operators might
cause conditions to be raised or if the result...
Git: How to remove file from index without deleting files from any repository
...ware (directly out of a repository).
Keep File as a ‘Default’ and Manually/Automatically Activate It
If it is not completely unacceptable to continue to maintain the configuration file's content in the repository, you might be able to rename the tracked file from (e.g.) foo.conf to foo.conf.de...
XSD: What is the difference between xs:integer and xs:int?
... XSD processor, this is true but misleading: it's not an XSD processor at all.
– C. M. Sperberg-McQueen
Feb 12 '15 at 16:56
8
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Does disposing streamreader close the stream?
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Yes, StreamReader, StreamWriter, BinaryReader and BinaryWriter all close/dispose their underlying streams when you call Dispose on them. They don't dispose of the stream if the reader/writer is just garbage collected though - you should always dispose of the reader/writer, preferrably wi...