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What is the proper way to URL encode Unicode characters?

...characters from the unreserved set without translation, and should convert all other characters to bytes according to UTF-8, and then percent-encode those values. This requirement was introduced in January 2005 with the publication of RFC 3986. URI schemes introduced before this date are not affecte...
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Heroku “psql: FATAL: remaining connection slots are reserved for non-replication superuser connectio

I'm developing an app on Heroku with a Postgresql backend. Periodically, I get this error message when trying to access the database, both from the CLI and from loading a page on the server: ...
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Proper practice for subclassing UIView?

...Rect , and layoutSubviews . (I'm thinking in terms of setup and teardown callbacks.) In my case, I'm setting up my frame and internal views in layoutSubviews , but I'm not seeing anything onscreen. ...
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Pandoc markdown page break

...nd the Lua filter below to get page breaks in many formats. Pandoc parses all inputs into an internal document format. That format has no dedicated way to represent page breaks, but it is still possible to encode the information in other ways. One way is to use raw LaTeX \newpage. This works perfec...
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What is a good Java library to zip/unzip files? [closed]

... zipFile.setPassword(password); } zipFile.extractAll(destination); } catch (ZipException e) { e.printStackTrace(); } } The Maven dependency is: <dependency> <groupId>net.lingala.zip4j</groupId> <artifactId>zip4j</artifac...
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How to create a custom attribute in C#

... will i really like the answer and specially ",one more question i can put same condition in set statement of the above code so how it different from attributs, – slash shogdhe Feb 2 '11 at 20:58 ...
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How do I write a custom init for a UIView subclass in Swift?

... The init(frame:) version is the default initializer. You must call it only after initializing your instance variables. If this view is being reconstituted from a Nib then your custom initializer will not be called, and instead the init?(coder:) version will be called. Since Swift now req...
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Fast and responsive interactive charts/graphs: SVG, Canvas, other?

...ing to choose the right technology to use for updating a project that basically renders thousands of points in a zoomable, pannable graph. The current implementation, using Protovis, is underperformant. Check it out here: ...
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Convert SQLITE SQL dump file to POSTGRESQL

...h a sequence to that column so that INSERTs with NULL ids will be automatically assigned the next available value. PostgreSQL will also not recognize AUTOINCREMENT commands, so these need to be removed. You'll also want to check for datetime columns in the SQLite schema and change them to timestamp ...
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What is the id( ) function used for?

... Python objects. Is it the same with memory addresses in C? Conceptually, yes, in that they are both guaranteed to be unique in their universe during their lifetime. And in one particular implementation of Python, it actually is the memory address of the corresponding C object. If yes, wh...