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How to detect the currently pressed key?
...thing, you haven't answered the question properly. The OP is asking about all keys and used the Shift key as an example only. So how do you detect other keys such as A to Z, 0 to 9 etc.
– Ash
Dec 18 '09 at 10:03
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How to generate the “create table” sql statement for an existing table in postgreSQL
...ql that postgres uses to generate
the describe table statement:
-- List all tables in the schema (my example schema name is public)
\dt public.*
-- Choose a table name from above
-- For create table of one public.tablename
\d+ public.tablename
Based on the sql echoed out after running these d...
Setup RSpec to test a gem (not Rails)
...my_gem ) to setup the structure for the new gem and edit the *.gemspec manually.
I also added s.add_development_dependency "rspec", ">= 2.0.0" to gemspec and did a bundle install .
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Get the index of the nth occurrence of a string?
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That's basically what you need to do - or at least, it's the easiest solution. All you'd be "wasting" is the cost of n method invocations - you won't actually be checking any case twice, if you think about it. (IndexOf will return as soo...
How to set Java environment path in Ubuntu
I just installed JDK in Ubuntu with sudo apt-get install openjdk-6-jdk command,
after the installation where's the Java bin directory located? And how can I set the environment path for that directory? I have little experience with Ubuntu, can anyone give some advice or suggest any good website ...
How can I get query string values in JavaScript?
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For a querystring of ?mykey=0&m.+key=1, calling getParameterByName("m.+key") would return 0 instead of 1. You need to escape the regular expression metacharacters in name before building your regular expression. And you only need to call .replace() once by using t...
Convert to absolute value in Objective-C
...), fabsf(float), fabs(double), or fabsl(long double).
Those functions are all part of the C standard library, and so are present both in Objective-C and plain C (and are generally available in C++ programs too.)
(Alas, there is no habs(short) function. Or scabs(signed char) for that matter...)
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Good Hash Function for Strings
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Usually hashes wouldn't do sums, otherwise stop and pots will have the same hash.
and you wouldn't limit it to the first n characters because otherwise house and houses would have the same hash.
Generally hashs take values and...
What is a smart pointer and when should I use one?
...of the object being pointed to. There is no single smart pointer type, but all of them try to abstract a raw pointer in a practical way.
Smart pointers should be preferred over raw pointers. If you feel you need to use pointers (first consider if you really do), you would normally want to use a sma...
Consistency of hashCode() on a Java string
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@Felype: I really don't know what you're trying to say here, I'm afraid.
– Jon Skeet
Jun 18 '13 at 11:30
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