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Why should I use the keyword “final” on a method parameter in Java?

...dsight is 20/20 vision, and the Java designers had their hands full at the time. So, always add final to all arguments? Should we add final to each and every method parameter being declared? In theory, yes. In practice, no.➥ Add final only when the method’s code is long or complicated, wher...
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What is the purpose of a self executing function in javascript?

...ST A FUNCTION. It is not in and of itself representative of a closure. Sometimes auto-invokers are used in conjunction with closure-relevant scenarios to do neat stuff, but if you don't see something holding on to a reference that would be garbage-collected and gone in a non-closure language, it has...
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How do you set the Content-Type header for an HttpClient request?

... Alternatively, Response.Content.Headers will work most of the time. – John Gietzen Nov 11 '12 at 22:45 4 ...
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Getting the class name from a static method in Java

... @mmirwaldt getClass returns the runtime type, so can't be static. – Tom Hawtin - tackline Nov 3 '13 at 12:54 5 ...
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Download large file in python with requests

...e could be too large, have you tried dropping that - maybe 1024 bytes at a time? (also, you could use with to tidy up the syntax) def DownloadFile(url): local_filename = url.split('/')[-1] r = requests.get(url) with open(local_filename, 'wb') as f: for chunk in r.iter_content(ch...
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Convert string to Python class object?

... and multiple instances fo that class were made simultaneously at the same time. Will it cause problem, as this is a global variable. – Alok Kumar Singh Apr 9 at 11:01 ...
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Remove all whitespace in a string

...make a variable to store the trans-table if you intend to do this multiple times. – Shogan Aversa-Druesne Dec 10 '18 at 19:12 ...
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Write a program to find 100 largest numbers out of an array of 1 billion numbers

...ery significant when K is very small comparing to N. EDIT2: The expected time of this algorithm is pretty interesting, since in each iteration an insertion may or may not occur. The probability of the i'th number to be inserted to the queue is the probability of a random variable being larger than...
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How can I find all of the distinct file extensions in a folder hierarchy?

... -e 's/.*\.//' | sed -e 's/.*\///' | sort -u If you want totals (how may times the extension was seen): find . -type f | sed -e 's/.*\.//' | sed -e 's/.*\///' | sort | uniq -c | sort -rn Non-recursive (single folder): for f in *.*; do printf "%s\n" "${f##*.}"; done | sort -u I've based this ...
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What should my Objective-C singleton look like? [closed]

...s to use the +(void)initialize method. From the documentation: The runtime sends initialize to each class in a program exactly one time just before the class, or any class that inherits from it, is sent its first message from within the program. (Thus the method may never be invoked if the clas...