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How do I check if a string contains another string in Objective-C?
... rangeOfString: returns an NSRange struct, and the documentation says that it returns the struct {NSNotFound, 0} if the "haystack" does not contain the "needle".
And if you're on iOS 8 or OS X Yosemite, you can now do: (*NOTE: This WILL crash your app if this code is called on an iOS7 device).
N...
Determine the process pid listening on a certain port
As the title says, I'm running multiple game servers, and every of them has the same name but different PID and the port number. I would like to match the PID of the server which is listening on certain port, and then I would like to kill this process. I need that in order to complete my bas...
How do I print out the contents of an object in Rails for easy debugging?
... generally first try .inspect, if that doesn't give me what I want, I'll switch to .to_yaml.
class User
attr_accessor :name, :age
end
user = User.new
user.name = "John Smith"
user.age = 30
puts user.inspect
#=> #<User:0x423270c @name="John Smith", @age=30>
puts user.to_yaml
#=> --- ...
How do I make Vim do normal (Bash-like) tab completion for file names?
When I'm opening a new file in Vim and I use tab completion, it completes the whole file name instead of doing the partial match like Bash does. Is there an option to make this file name tab completion work more like Bash?
...
SVN how to resolve new tree conflicts when file is added on two branches
...e of add over versioned file
This test does a merge which brings a file addition without history onto an
existing versioned file.
This should be a tree conflict on the file of the 'local obstruction, incoming add upon merge' variety. Fixed expectations in r35341.
(This is also called "evil twins" i...
MySQL, update multiple tables with one query
...nd Orders. In case, we increase the number of books in a particular order with Order.ID = 1002 in Orders table then we also need to reduce that the total number of books available in our stock by the same number in Books table.
UPDATE Books, Orders
SET Orders.Quantity = Orders.Quantity + 2,
Book...
How to quit a java app from within the program
What's the best way to quit a Java application with code?
12 Answers
12
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How to get Last record from Sqlite?
... used following solution:
SELECT * FROM tablename ORDER BY column DESC LIMIT 1;
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Python Dictionary Comprehension
Is it possible to create a dictionary comprehension in Python (for the keys)?
8 Answers
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Import multiple csv files into pandas and concatenate into one DataFrame
...nd concatenate them into one big DataFrame. I have not been able to figure it out though. Here is what I have so far:
15 An...
