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Maximum single-sell profit
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#
# Let's consider the time and space complexity of this algorithm. Our base
# case takes O(1) time, and in our recursive step we make two recursive calls,
# one on each half of the array, and then does O(n) work to scan the array
# elements to find the minimum and maximum values. This gives the...
What's the purpose of using braces (i.e. {}) for a single-line if or loop?
... get in the way of my non-linear workflow, trying to correct my 'mistakes' based on incomplete information. IDEs aren't very good at auto-indenting every programmer's natural flow. Those programmers who use such features tend to merge their style to their IDE, which is fine if you only use one IDE b...
Left Align Cells in UICollectionView
...operly, when the line is composed by only 1 item or are over complicated.
Based on the example given by Ryan, I changed the code to detect a new line by inspecting the Y position of the new element. Very simple and quick in performance.
Swift:
class LeftAlignedCollectionViewFlowLayout: UICollec...
How do search engines deal with AngularJS applications?
... it would make sense to use routing. Because Github static pages is file based, you would need an actual html file backing each URL in this instance. There is no rule that a website has to be file based though, and if you use an alternative platform you can serve the same template for multiple URL...
Places where JavaBeans are used?
...te a list of users wherein you store the data of the user table in the database:
List<User> users = new ArrayList<User>();
while (resultSet.next()) {
User user = new User();
user.setId(resultSet.getLong("id"));
user.setName(resultSet.getString("name"));
user.setBirthdate(...
Logging levels - Logback - rule-of-thumb to assign log levels
... here. Significant boundary events should be considered as well (e.g. database calls, remote API calls). Typical business exceptions can go here (e.g. login failed due to bad credentials). Any other event you think you'll need to see in production at high volume goes here.
debug: just about everyt...
What does an exclamation mark mean in the Swift language?
...!] circumstances") or standard non-optional ("is never nil") declarations, based on the exact behaviour of their Objective-C code.
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How dangerous is it to compare floating point values?
...t will make sense to compare with an "epsilon", but that epsilon should be based on the magnitude of the numbers you are comparing, not an absolute constant. (In cases where an absolute constant epsilon would work, that's strongly indicative that fixed point, not floating point, is the right tool fo...
What is the “FS”/“GS” register intended for?
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The appendix analogy is really bad based on outdated science; it's related to the immune system, so definitely not "vestigial". It detracts from the actual post. Other than that, it's a good response.
– code_dredd
Dec 6 '...
Build an ASCII chart of the most commonly used words in a given text [closed]
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Ruby 1.9, 185 chars
(heavily based on the other Ruby solutions)
w=($<.read.downcase.scan(/[a-z]+/)-%w{the and of to a i it in or is}).group_by{|x|x}.map{|x,y|[-y.size,x]}.sort[0,22]
k,l=w[0]
puts [?\s+?_*m=76-l.size,w.map{|f,x|?|+?_*(f*m/k)+"| "+x}]
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