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How to get string objects instead of Unicode from JSON?

... @Oren: This is not an error in the YAML spec but in the PyYAML parser. The YAML parser from ruamel works. – Brutus Jun 4 '15 at 10:21 ...
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How to declare a structure in a header that is to be used by multiple files in c?

... You might get a linker error, or you might not. In C, the linkage model allows for 'common' definitions, so multiple definitions with no initializer (and maybe with the same initializer) may work. It is a 'common extension'. Some compilers suppo...
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Uses for Optional

...ld be a legal representation of a state (see Map.get) or an implementation error like a missing or failed initialization. This changes dramatically with the persistent use of Optional. Here, already the occurrence of null signifies the presence of a bug. (Because if the value were allowed to be mis...
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How to remove/ignore :hover css style on touch devices

... I've used try/catch just in case some odd error shows up, that could crash the script, like deleteRule not working because of same-origin policy or flaky support on IE (edited the comment to reflect that). But yeah, in most cases, just a simple check should be suffic...
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How to check whether a pandas DataFrame is empty?

... @Quant - The documentation has a discussion on why bool raises an error for a dataframe here: link. Quote: "Should it be True because it’s not zero-length? False because there are False values? It is unclear, so instead, pandas raises a ValueError" – Bij ...
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How to create a unique index on a NULL column?

... index like that, make sure that ANSI_NULLS is ON, otherwise you'll get an error when trying to insert data. – Arne Oct 1 '12 at 7:35  |  show...
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E731 do not assign a lambda expression, use a def

...ile. One might say "f" whereas the other says "lambda". Maybe the lambda error is easier to scan because it's not a single-character function name, or a poorly-named long name? – g33kz0r Feb 17 '15 at 19:08 ...
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What is Autoloading; How do you use spl_autoload, __autoload and spl_autoload_register?

...nless I have a class which extends another class (parent). PHP then throws error that it cannot find that parent class, even they're all in the same directory/namespace! What is confusing is that literally only first level classes are found, so I had to put another spl_autoload_register() with anony...
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source of historical stock data [closed]

... Dividend/Share d1 Last Trade Date d2 Trade Date e Earnings/Share e1 Error Indication (returned for symbol changed / invalid) e7 EPS Estimate Current Year e8 EPS Estimate Next Year e9 EPS Estimate Next Quarter f6 Float Shares g Day's Low h Day's High j 52-week Low k 52-week High g1...
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Is there a way to cache GitHub credentials for pushing commits?

...trc does not work outside of a git repository. It fails with the following error: fatal: Not a git repository: . at /usr/share/perl5/Git.pm line 214. There is no real reason why need to be within a repository, though. Credential helpers should be able to work just fine outside the repository ...