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How can a LEFT OUTER JOIN return more records than exist in the left table?

I have a very basic LEFT OUTER JOIN to return all results from the left table and some additional information from a much bigger table. The left table contains 4935 records yet when I LEFT OUTER JOIN it to an additional table the record count is significantly larger. ...
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Call static method with reflection

...eUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
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Java Equivalent of C# async/await?

...va 8 equivalent to .net Task<TResult>) based solution to process the Http request asynchronously. UPDATED on 25-05-2016 to AsyncHttpClient v.2 released on Abril 13th of 2016: So the Java 8 equivalent to the OP example of AccessTheWebAsync() is the following: CompletableFuture<Integer&gt...
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What is the overhead of creating a new HttpClient per call in a WebAPI client?

What should be the HttpClient lifetime of a WebAPI client? Is it better to have one instance of the HttpClient for multiple calls? ...
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python multithreading wait till all threads finished

...oin method of Thread object in the end of the script. t1 = Thread(target=call_script, args=(scriptA + argumentsA)) t2 = Thread(target=call_script, args=(scriptA + argumentsB)) t3 = Thread(target=call_script, args=(scriptA + argumentsC)) t1.start() t2.start() t3.start() t1.join() t2.join() t3.join...
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Case insensitive 'in'

... Prefer to lower all keys when building the dict, for performance reasons. – Ryan May 1 '13 at 6:27 1 ...
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What are five things you hate about your favorite language? [closed]

...quivalent to using eval() and so hideously wrong I have never used it (see http://www.php.net/create_function). 3) A try/catch system which can only catch about 80% of errors that might occur. 4) Regex support just as lame as lambda support because it has to be written inside regular strings, maki...
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Concurrent vs serial queues in GCD

...in background thread") } let imgURL = URL(string: "https://upload.wikimedia.org/wikipedia/commons/0/07/Huge_ball_at_Vilnius_center.jpg")! let _ = try! Data(contentsOf: imgURL) print("\(i) completed downloading") } } } Task will run in ...
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Algorithm for creating a school timetable

... My timetabling algorithm, implemented in FET (Free Timetabling Software, http://lalescu.ro/liviu/fet/ , a successful application): The algorithm is heuristic. I named it "recursive swapping". Input: a set of activities A_1...A_n and the constraints. Output: a set of times TA_1...TA_n (the time ...
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How to use SSH to run a local shell script on a remote machine?

... ls ENDFTP END2 ENDSSH (I think this should work) Also see http://tldp.org/LDP/abs/html/here-docs.html share | improve this answer | follow | ...