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How to write a UTF-8 file with Java?

...a FileOutputStream. You can then wrap this in an OutputStreamWriter, which allows you to pass an encoding in the constructor. Then you can write your data to that inside a try-with-resources Statement: try (OutputStreamWriter writer = new OutputStreamWriter(new FileOutputStream(PROPERT...
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Do I have to Close() a SQLConnection before it gets disposed?

Per my other question here about Disposable objects , should we call Close() before the end of a using block? 8 Answers ...
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Flatten list of lists [duplicate]

...p evaluates MUCH faster than the unraveled loop and eliminates the append calls! If you have multiple items in a sublist the list comp will even flatten that. ie >>> list_of_lists = [[180.0, 1, 2, 3], [173.8], [164.2], [156.5], [147.2], [138.2]] >>> flattened = [val for sublist...
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How to run code when a class is subclassed? [duplicate]

...- Watcher subclasses type, not object. 2 - SuperClass has no superclass at all, not object. I'm just so used to writing down object as a superclass for every class I defined that I somehow missed it that this code was using something else. Although there doesn't seem to be any harm in making SuperCl...
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Java Set retain order?

...docs, "This implementation spares its clients from the unspecified, generally chaotic ordering provided by HashSet, without incurring the increased cost associated with TreeSet. It can be used to produce a copy of a set that has the same order as the original, regardless of the original set's impl...
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-didSelectRowAtIndexPath: not being called

...AtIndexPath: , but when I select a row at runtime, the method isn't being called. The table view is being populated though, so I know that other tableView methods in my controller are being called. ...
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ERROR 2003 (HY000): Can't connect to MySQL server on '127.0.0.1' (111)

... In my case (remote connnection) helped turning off firewall on server. service iptables stop share | improve this answer | follow | ...
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How to find out where a function is defined?

... @EHerman I don't think you can find callers of a function with reflection. If you could it probably wouldn't work well for this because PHP files tend to be included on demand, and so you would likely not have all the code loaded which does call the function. ...
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How to add line break for UILabel?

... Use \n as you are using in your string. Set numberOfLines to 0 to allow for any number of lines. label.numberOfLines = 0; Update the label frame to match the size of the text using sizeWithFont:. If you don't do this your text will be vertically centered or cut off. UILabel *label; // s...
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How to determine one year from now in Javascript

...the next year if you do it in December; the date will be adjusted automatically. Same goes for day-of-month via getDate() and setDate(). share | improve this answer | follow ...