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Hidden Features of Xcode 4
... mainline commands. Adding modifiers is for analogous commands focused on one particular sub-feature.
(These are just the four that come to mind as the my most pounded upon shortcuts that I'm using constantly! I'm sure it'll change over time as my workflow is refactored into the new hotness.)
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Are there any O(1/n) algorithms?
...u can construct an arbitrary algorithm to fulfill this, e.g. the following one:
def get_faster(list):
how_long = (1 / len(list)) * 100000
sleep(how_long)
Clearly, this function spends less time as the input size grows … at least until some limit, enforced by the hardware (precision of t...
Can a CSS class inherit one or more other classes?
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do you know if which class prevail, the last ones or the 1st ones and is the behaviour cross browser safe? Let's say we have .firstClass {font-size:12px;} .secondClass {font-size:20px;} will then final font-size be 12px or 20px and is this cross browser safe?
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Can one do a for each loop in java in reverse order?
... 'rule' that we have to accept Jon's answer :) but.. I want to accept this one (even though they are essentially the same) because it does not require me to include another 3rd party library (even though some could argue that that reason breaks one of the prime advantages of OO - reusability).
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ls command: how can I get a recursive full-path listing, one line per file?
How can I get ls to spit out a flat list of recursive one-per-line paths?
24 Answers
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Python: Check if one dictionary is a subset of another larger dictionary
...eritems() instead of items() leads to about a 1.2x improvement. This was done using Python 2.7.
– Chad
Mar 29 '16 at 21:47
35
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Difference between GIT and CVS
... always refer to the whole project. This is very important paradigm shift. One of consequences of this is that it is very easy in Git to revert (create a change that undoes) or undo whole change; other consequence is that in CVS is easy to do partial checkouts, while it is currently next to impossib...
What is the optimal Jewish toenail cutting algorithm?
...ust make the machine remember which sequence it used last and use a random one (but not the same one) next. That works for the second foot as well as for new clients and it is more random than sticking with 4 sequences.
– Jakob
Oct 15 '11 at 7:36
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What's so bad about Template Haskell?
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One reason for avoiding Template Haskell is that it as a whole isn't type-safe, at all, thus going against much of "the spirit of Haskell." Here are some examples of this:
You have no control over what kind of Haskell AST a...
Is “else if” a single keyword?
... ;
}
}
}
Note
We can also determine that else if can not be one keyword by realizing that keywords are identifiers and we can see from the grammar for an identifier in my answer to Can you start a class name with a numeric digit? that spaces are not allowed in identifiers and so there...