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Load local JSON file into variable
... 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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What is a “slug” in Django?
...is a way of generating a valid URL, generally using data already obtained. For instance, a slug uses the title of an article to generate a URL. I advise to generate the slug by means of a function, given the title (or another piece of data), rather than setting it manually.
An example:
<title&g...
How to flatten tree via LINQ?
...});
You can then filter by group using Where(...).
To earn some "points for style", convert Flatten to an extension function in a static class.
public static IEnumerable<MyNode> Flatten(this IEnumerable<MyNode> e) =>
e.SelectMany(c => c.Elements.Flatten()).Concat(e);
To e...
How do I get a raw, compiled SQL query from a SQLAlchemy expression?
... updated answer.
Quoting from the blog post, this is suggested and worked for me.
>>> from sqlalchemy.dialects import postgresql
>>> print str(q.statement.compile(dialect=postgresql.dialect()))
Where q is defined as:
>>> q = DBSession.query(model.Name).distinct(model....
I have an error: setOnItemClickListener cannot be used with a spinner, what is wrong?
... What if we need to select an item again? This method will not work for the same selection.
– Eftekhari
Oct 10 '16 at 23:03
...
How to sort an array by a date property
...e);
});
More Generic Answer
array.sort(function(o1,o2){
if (sort_o1_before_o2) return -1;
else if(sort_o1_after_o2) return 1;
else return 0;
});
Or more tersely:
array.sort(function(o1,o2){
return sort_o1_before_o2 ? -1 : sort_o1_after_o2 ? 1 : 0;
});
Generi...
Adding a background image to a element
...lace, kinda "overlaying" each other, and I want to set different positions for them.
– PaulP1
Mar 2 '19 at 14:41
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How to use cURL to get jSON data and decode the data?
... the second parameter.
http://php.net/manual/en/function.json-decode.php
For example:
$json = '{"a":1,"b":2,"c":3,"d":4,"e":5}';
var_dump(json_decode($json)); // Object
var_dump(json_decode($json, true)); // Associative array
...
Remove ALL white spaces from text
...
Coffeescript will complain about that regex for some god awful reason. Instead I had to go ahead and using .replace(/\s+/g, '') which is totally fine by me.
– Dan Bradbury
Jan 28 '15 at 21:21
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Set a persistent environment variable from cmd.exe
...ffix) to set variables that persist after the cmd window has been closed.
For example, to set an env var "foo" with value of "bar":
setx foo bar
Though it's worth reading the 'notes' that are displayed if you print the usage (setx /?), in particular:
2) On a local system, variables created o...