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Import package.* vs import package.SpecificType [duplicate]
Would it suppose any difference regarding overhead to write an import loading all the types within one package ( import java.* ); than just a specific type (i.e. import java.lang.ClassLoader )? Would the second one be a more advisable way to use than the other one?
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Command prompt won't change directory to another drive
...ning java currently), and to do so I need to change command-prompt's directory (using javac).
11 Answers
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How can I measure the similarity between two images? [closed]
...aken screenshot to determine whether the application is displaying itself correctly. I don't want an exact match comparison, because the aspect could be slightly different (in the case of a Web app, depending on the browser, some element could be at a slightly different location). It should give a m...
Best way to “negate” an instanceof
...ne when you say "beautiful", but what about this? I personally think it's worse than the classic form you posted, but somebody might like it...
if (str instanceof String == false) { /* ... */ }
share
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Mockito How to mock only the call of a method of the superclass
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No, Mockito does not support this.
This might not be the answer you're looking for, but what you're seeing is a symptom of not applying the design principle:
Favor composition over inheritance
If you extract a strategy instead of extending a ...
What are -moz- and -webkit-? [duplicate]
...was looking at some CSS code the other day, I found these lines. In the tutorials I used to learn CSS, I have never seen anything like these lines. Could someone please explain these lines to me or give me a source where I could learn to implement lines like these?
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Returning multiple objects in an R function [duplicate]
... this is to return a list object. So if you have an integer foo and a vector of strings bar in your function, you could create a list that combines these items:
foo <- 12
bar <- c("a", "b", "e")
newList <- list("integer" = foo, "names" = bar)
Then return this list.
After calling your ...
Why are Standard iterator ranges [begin, end) instead of [begin, end]?
...e to be a simple difference end − begin;
including the lower bound is more "natural" when sequences degenerate to empty ones, and also because the alternative (excluding the lower bound) would require the existence of a "one-before-the-beginning" sentinel value.
You still need to justify why y...
Writing a list to a file with Python
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You can use a loop:
with open('your_file.txt', 'w') as f:
for item in my_list:
f.write("%s\n" % item)
In Python 2, you can also use
with open('your_file.txt', 'w') as f:
for item in my_list:
print >> f, item
If you're keen on a single function call, at ...
What is the largest Safe UDP Packet Size on the Internet
...ut UDP packet sizes but have been unable to come to a conclusion on whats correct.
11 Answers
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