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Tool for generating railroad diagram used on json.org [closed]
...string and value using string ::= ... and value ::= ... The references are all shown.
Check out some of the example diagrams on the page. They have XML and even EBNF itself.
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What's faster, SELECT DISTINCT or GROUP BY in MySQL?
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They are essentially equivalent to each other (in fact this is how some databases implement DISTINCT under the hood).
If one of them is faster, it's going to be DISTINCT. This is because, although the two are the same, a query optimizer wo...
Trying to git pull with error: cannot open .git/FETCH_HEAD: Permission denied
...n give my www-data user the permission to update the .git directory. I am calling the shell script using php over http in browser. Details here
– KillABug
Aug 21 '15 at 8:58
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Is there a query language for JSON?
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Sure, how about:
JsonPath.
Json Query
They all seem to be a bit work in progress, but work to some degree. They are also similar to XPath and XQuery conceptually; even though XML and JSON have different conceptual models (hierarchic vs object/struct).
EDIT Sep-2015: ...
Display JSON as HTML [closed]
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and what if the string is all in one line? how does he make it nicely formatted like that?
– geowa4
May 19 '09 at 17:15
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How to get config parameters in Symfony2 Twig Templates
...on%'
Twig template:
{{ version }}
This method provides the benefit of allowing you to use the parameter in ContainerAware classes as well, using:
$container->getParameter('app.version');
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Regex select all text between tags
What is the best way to select all the text between 2 tags - ex: the text between all the 'pre' tags on the page.
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Why does this iterative list-growing code give IndexError: list assignment index out of range?
...or l in i:
j.append(l)
Of course, you'd never do this in practice if all you wanted to do was to copy an existing list. You'd just do:
j = list(i)
Alternatively, if you wanted to use the Python list like an array in other languages, then you could pre-create a list with its elements set to ...
Get table column names in MySQL?
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DESCRIBE is actually a shortcut for SHOW COLUMNS (dev.mysql.com/doc/refman/5.0/en/describe.html)
– svens
Oct 6 '09 at 16:45
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How do I flush the cin buffer?
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@Nic - of course, this tells the code to ignore ALL characters until the amount specified. In the main example, it will ignore essentially until EOF (because INT_MAX is huge). As mentioned in the post, if you just want to ignore a single line, you need to specify an extr...