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Django template how to look up a dictionary value with a variable
...unters a dot in a variable name, it tries the following lookups,
in this order:
Dictionary lookup. Example: foo["bar"]
Attribute lookup. Example: foo.bar
List-index lookup. Example: foo[bar]
But you can make a filter which lets you pass in an argument:
https://docs.djangoprojec...
Single Page Application: advantages and disadvantages [closed]
...ts directly. I have built a 10K LOC web app with Angular, Bootstrap & PHP as the primary players with about 5K of Angular JS code. There are some really neat features of Angular but at this point I really wish I had just used a traditional page based approach and I think it would have signific...
Is it possible to have a multi-line comments in R? [duplicate]
...s how come R doesn't support a multi-line comments (like /* comment */ of PHP, for example).
7 Answers
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Comparison of full text search engine - Lucene, Sphinx, Postgresql, MySQL?
...t is in early stage but already [almost] works. sphinxsearch.com/wiki/doku.php?id=rt_tutorial
– pQd
Jun 25 '10 at 21:42
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Load local JSON file into variable
... Just a tip: you can use a json validator like jsonlint.com in order to check your json data before using it.
– Marco Panichi
Nov 7 '17 at 7:29
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Get keys from HashMap in Java
...ray.
The problem, of course, is that a set doesn't promise to keep your order. If you only have one item in your HashMap, you're good, but if you have more than that, it's best to loop over the map, as other answers have done.
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SQLAlchemy: how to filter date field?
...so the ISO 8601 format for dates, which also happens to be lexicographical order. For this reason for simple examples i generally use ISO formatted dates - easier to read.
– van
Dec 24 '15 at 3:12
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Is there a print_r or var_dump equivalent in Ruby / Ruby on Rails?
I'm looking for a way to dump the structure of an object, similar to the PHP functions print_r and var_dump for debugging reasons.
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range over interface{} which stores a slice
... work, if you don't know the type of your parameter in the first place. In order to use your trick (array[:]), you'll have to use reflection to decide that it is an array, then cast to array - then generate a slice of it. That's why I said it works on a slice, not on an array. Clearly with enough e...