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Cocoa: What's the difference between the frame and the bounds?
UIView and its subclasses all have the properties frame and bounds . What's the difference?
12 Answers
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Why can't non-default arguments follow default arguments?
...ters must be placed before any default arguments. Simply because they are mandatory, whereas default arguments are not. Syntactically, it would be impossible for the interpreter to decide which values match which arguments if mixed modes were allowed. A SyntaxError is raised if the arguments are not...
What is a web service endpoint?
... say my web service is located at http://localhost:8080/foo/mywebservice and my WSDL is at http://localhost:8080/foo/mywebservice?wsdl .
...
Why use @PostConstruct?
...s are injected. In the @PostConstruct method the bean is fully initialized and you can use the dependencies.
because this is the contract that guarantees that this method will be invoked only once in the bean lifecycle. It may happen (though unlikely) that a bean is instantiated multiple times by th...
Fastest method of screen capturing on Windows
...to use GDI, but I'm curious whether there are other ways to go about this, and, if there are, which incurs the least overhead? Speed is a priority.
...
In JavaScript, why is “0” equal to false, but when tested by 'if' it is not false by itself?
...you explicitly do "0" == false, both sides are being converted to numbers, and then the comparison is performed.
When you do: if ("0") console.log("ha"), the string value is being tested. Any non-empty string is true, while an empty string is false.
Equal (==)
If the two operands are not o...
Add new row to dataframe, at specific row-index, not appended?
...1 2 3 4
41 4 9 14 19
5 5 10 15 20
(Note we index r differently).
And finally, benchmarks:
library(microbenchmark)
microbenchmark(
rbind(existingDF[1:r,],newrow,existingDF[-(1:r),]),
insertRow(existingDF,newrow,r)
)
Unit: microseconds
...
When is a Java method name too long? [closed]
..., as you not only want to convey the behaviour but also keep the project's and language's convention. So in Python you might say eligible_items_cnt but in Java you usually say getEligibleItemsCount.
– flybywire
Feb 9 '10 at 17:14
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How to make execution pause, sleep, wait for X seconds in R?
...anguages, there is a sleep function, but ?sleep references a data set. And ?pause and ?wait don't exist.
2 Answers
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How do I run only specific tests in Rspec?
...on is here (for Rspec 2.12) relishapp.com/rspec/rspec-core/v/2-12/docs/command-line/…
– tir38
Apr 10 '13 at 19:31
We...
