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Should unit tests be written for getter and setters?
...t practice of refactoring.
You gain this TDD or not.
Design
You specify what something should do, how it should behaves before implementing it.
This often means more informed implementation decisions.
Documentation
The test suite should serve as the specification (requirements) documentation.
...
How does a language expand itself? [closed]
... computer is like an onion: cutting through it makes you cry, but it's somewhat tasty afterwards.
– alecov
Jul 29 '14 at 13:55
3
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A CSS selector to get last visible div
...has at least done its due diligence in actually stating that CSS cannot do what is being asked (albeit it doesn't elaborate why). On the other hand, an answer that just goes off on a JavaScript solution without acknowledging the CSS nature of the question is worth criticizing.
–...
What is the difference between sites-enabled and sites-available directory?
What is use of these two directories in apache2 and how can we do it?
3 Answers
3
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How do I copy a hash in Ruby?
...lone
h1[:a] << 'bar'
p h2 # => {:a=>"foobar"}
What's happening is that the hash's references are being copied, but not the objects that the references refer to.
If you want a deep copy then:
def deep_copy(o)
Marshal.load(Marshal.dump(o))
end
h1 = {:a => 'foo'}
h2...
How to replace a hash key with another key
... I often don't like "smart" ruby code because it takes some time to tell what it is really doing. Your solution is in other hand simple and descriptive.
– Lucas
Nov 13 '14 at 18:55
...
Android: Clear Activity Stack
... you are wrong. If you want to close existing activity stack regardless of what's in there and create new root, correct set of flags is the following:
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
From the doc:
public static final int FLAG_ACTIVITY_CLEAR_TA...
“Unknown class in Interface Builder file” error at runtime
...t loaded at runtime. The IB compiler compiles the xib to a nib; the nib is what gets loaded at runtime.
– Peter Hosey
Nov 13 '09 at 4:12
19
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How to write trycatch in R
...
R uses functions for implementing try-catch block:
The syntax somewhat looks like this:
result = tryCatch({
expr
}, warning = function(warning_condition) {
warning-handler-code
}, error = function(error_condition) {
error-handler-code
}, finally={
cleanup-code
})
In tryCa...
How can I color Python logging output?
...e color escapes, I used them in my bash prompt a while ago. Thanks anyway.
What I wanted was to integrate it with the logging module, which I eventually did after a couple of tries and errors.
Here is what I end up with:
BLACK, RED, GREEN, YELLOW, BLUE, MAGENTA, CYAN, WHITE = range(8)
#The backgro...