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Facebook API - How do I get a Facebook user's profile image through the Facebook API (without requir

...m/users_unique_url ). How can I accomplish this? Is there a Faceboook API call that fetches a user's profile image URL without the user needing to Allow the application? ...
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What is a memory fence?

...ead/writes occur in the order you expect. For example a 'full fence' means all read/writes before the fence are comitted before those after the fence. Note memory fences are a hardware concept. In higher level languages we are used to dealing with mutexes and semaphores - these may well be implemen...
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How to go about formatting 1200 to 1.2k in java

...ng, String> suffixes = new TreeMap<> (); static { suffixes.put(1_000L, "k"); suffixes.put(1_000_000L, "M"); suffixes.put(1_000_000_000L, "G"); suffixes.put(1_000_000_000_000L, "T"); suffixes.put(1_000_000_000_000_000L, "P"); suffixes.put(1_000_000_000_000_000_000L, "E"); } publ...
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Count how many records are in a CSV Python?

...aranteed to be a fixed size, so the only way to count them is to read them all. – Martijn Pieters♦ Apr 19 '13 at 15:55 1 ...
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pythonic way to do something N times without an index variable?

...ghtly faster approach than looping on xrange(N) is: import itertools for _ in itertools.repeat(None, N): do_something() share | improve this answer | follow ...
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ruby send method passing multiple parameters

... send("i_take_multiple_arguments", *[25.0,26.0]) #Where star is the "splat" operator or send(:i_take_multiple_arguments, 25.0, 26.0) share | ...
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How to use clock() in C++

How do I call clock() in C++ ? 7 Answers 7 ...
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Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL?

...an work around it from within psql by executing the DDL statement conditionally: SELECT 'CREATE DATABASE mydb' WHERE NOT EXISTS (SELECT FROM pg_database WHERE datname = 'mydb')\gexec The manual: \gexec Sends the current query buffer to the server, then treats each column of each row of the query's...
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How do I get current date/time on the Windows command line in a suitable format for usage in a file/

Update: Now that it's 2016 I'd use PowerShell for this unless there's a really compelling backwards-compatible reason for it, particularly because of the regional settings issue with using date . See @npocmaka's https://stackoverflow.com/a/19799236/8479 ...
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How to sort a list in Scala by two fields?

... @SachinK: You could implement customOrdering as Ordering[Row] manually or using Ordering.by like this: val customOrdering = Ordering.by((r: Row) => (r.lastName, r.firstName))( Ordering.Tuple2(Ordering.String.reverse, Ordering.String) )` – senia Jun ...