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Comparison of full text search engine - Lucene, Sphinx, Postgresql, MySQL?

... the indexer process uses too. Scalability is where my knowledge is more sketchy - but it's easy enough to copy index files to multiple machines and run several searchd daemons. The general impression I get from others though is that it's pretty damn good under high load, so scaling it out across mu...
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Single Line Nested For Loops

...te) set of elements. These include any container, lists, sets, generators, etc. What is the order in which i and j are assigned to elements in object? They are assigned in exactly the same order as they are generated from each list, as if they were in a nested for loop (for your first comprehe...
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Can I serve multiple clients using just Flask app.run() as standalone?

... or use some out-of-band communication (Redis, a database, the filesystem, etc.) so that each of your processes stays synced. – Sean Vieira Feb 12 '13 at 11:13 3 ...
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How does a debugger work?

...rface Access SDK. If you are debugging a managed environment (.NET, Java, etc.) the process will typically look similar, but the details are different, as the virtual machine environment provides the debug API rather than the underlying OS. ...
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Adding an arbitrary line to a matplotlib plot in ipython notebook

...linewidth=2) (of course you can choose the color, line width, line style, etc.) From your example: import numpy as np import matplotlib.pyplot as plt np.random.seed(5) x = np.arange(1, 101) y = 20 + 3 * x + np.random.normal(0, 60, 100) plt.plot(x, y, "o") # draw vertical line from (70,100) to ...
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find: missing argument to -exec

... I really confused. find /etc/nginx -name '*.conf' -exec echo {} ; and find /etc/nginx -name '*.conf' -exec echo {}\; gave the same result. :( – Kirby Mar 14 '16 at 22:19 ...
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iPhone - Grand Central Dispatch main thread

... data on background queue -> signal main queue that message has arrived etc etc As to why you might want to dispatch to the main queue from the main queue... Well, you generally wouldn't although conceivably you might do it to schedule some work to do the next time around the run loop. ...
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Difference between OData and REST web services

...methods, URL conventions, media types, payload formats and query options etc. OData also guides you about tracking changes, defining functions/actions for reusable procedures and sending asynchronous/batch requests etc. Additionally, OData provides facility for extension to fulfil any custom...
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Get the generated SQL statement from a SqlCommand object?

...n improvements :) This does an OK job on data types and output parameters etc similar to using "execute stored procedure" in SSMS. We mostly used SPs so the "text" command doesn't account for parameters etc public static String ParameterValueForSQL(this SqlParameter sp) { String re...
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Map a network drive to be used by a service

...per service will need to pass on all appropriate SCM commands (start/stop, etc.) to the real service. If the real service accepts custom SCM commands, remember to pass those on as well (I don't expect a service that considers UNC paths exotic to use such commands, though...) Things may get a bit tri...