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Find unique rows in numpy.array
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Note that if you want unique rows ignoring order of values in the row, you can sort the original array in the columns direct first: original_array.sort(axis=1)
– mangecoeur
Mar 2 at 11:59
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Find difference between timestamps in seconds in PostgreSQL
... including seconds. The OP wants not only seconds but also minutes, hours, etc
– Clodoaldo Neto
Dec 24 '12 at 12:39
6
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What is the difference between Non-Repeatable Read and Phantom Read?
... will allow dirty reads, which in some cases is an acceptable trade off in order to achieve higher concurrency or is necessary due to an edge case, such as troubleshooting an in progress transaction from another connection. It is good that the idea of a dirty read doesn't pass the "smell test" for y...
notifyDataSetChanged example
I'm trying to use in my Android Application the notifyDataSetChanged() method for an ArrayAdapter but it doesn't work for me.
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R object identification
...t(d=1:26, e=letters))
data(cars)
obj <- lm(dist ~ speed, data=cars)
..etc.
If obj is an S3 or S4 object, you can also try methods or showMethods, showClass, etc. Patrick Burns' R Inferno has a pretty good section on this (sec #7).
EDIT: Dirk and Hadley mention str(obj) in their answers. It ...
Is HTML considered a programming language? [closed]
... is that if it lacks logical constructs (conditional branching, iteration, etc) its not really a programming language.
As for the resume, I would suggest putting HTML and XML under a section like 'Technologies'. I usually have a section like this where I list things like version control software, ...
Write to UTF-8 file in Python
...u've given me a byte string!"
Try writing the Unicode string for the byte order mark (i.e. Unicode U+FEFF) directly, so that the file just encodes that as UTF-8:
import codecs
file = codecs.open("lol", "w", "utf-8")
file.write(u'\ufeff')
file.close()
(That seems to give the right answer - a fil...
Get the subdomain from a URL
...cause each TLD differs on what counts as a subdomain, second level domain, etc.
Keep in mind that there are top level domains, second level domains, and subdomains. Technically speaking, everything except the TLD is a subdomain.
In the domain.com.uk example, "domain" is a subdomain, "com" is a se...
Importing a GitHub project into Eclipse
...Git → Projects from Git
If the Git repo isn't cloned yet:
In> order to checkout a remote project, you will have to clone its repository first.
Open the Eclipse Import wizard (e.g. File => Import), select Git => Projects from Git and click Next.
Select “URI” and click Next.
Now...
How do I set default values for functions parameters in Matlab?
...ault'
end
end
There are a few fancier things you can do with isempty, etc., and you might want to look at Matlab central for some packages that bundle these sorts of things.
You might have a look at varargin, nargchk, etc. They're useful functions for this sort of thing. varargs allow you to ...