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Is a url query parameter valid if it has no value?
...eptable to your server-side framework/code
The URI RFC doesn't mandate a format for the query string. Although it is recognized that the query string will often carry name-value pairs, it is not required to (e.g. it will often contain another URI).
3.4. Query
The query component contain...
Python “extend” for a dictionary
... by the way this prompts him or her towards learning about dict and the ** form;-). So, for example, uses like:
x = mungesomedict(dict(adict, **anotherdict))
are reasonably frequent occurrences in my code.
Originally submitted by Alex Martelli
Note: In Python 3, this will only work if every ke...
Separation of business logic and data access in django
...an find the business logic and entities as perceived by your end user, the former is where you actually store your data.
Furthermore, I've interpreted the 3rd part of your question as: how to notice failure to keep these models separate.
These are two very different concepts and it's always hard to ...
How can I match on an attribute that contains a certain string?
...
this works as long as classes are separated by spaces only, and not other forms of whitespace. This is almost always the case. If it might not be, you have to make it more unwieldy still:
//*[contains(concat(' ', normalize-space(@class), ' '), ' atag ')]
(Selecting by classname-like space-separa...
How to make a button redirect to another page using jQuery or just Javascript
...
Without script:
<form action="where-you-want-to-go"><input type="submit"></form>
Better yet, since you are just going somewhere, present the user with the standard interface for "just going somewhere":
<a href="where-you-...
How to use Servlets and Ajax?
...ing List<String> as JSON
With JSON instead of plaintext as response format you can even get some steps further. It allows for more dynamics. First, you'd like to have a tool to convert between Java objects and JSON strings. There are plenty of them as well (see the bottom of this page for an ...
Base64 encoding and decoding in client-side Javascript
...heme. Surprise: this function urlencodes every character, so I get this malformed XML at target: %3C%3Fxml%20version%3D%271.0%27%20%3F%3E%3Csvg%20xmlns%3D%27http%...
– Dereckson
Feb 13 '13 at 19:50
...
nuget 'packages' element is not declared warning
...-8" ?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified"
targetNamespace="urn:packages" xmlns="urn:packages">
<xs:element name="packages">
<xs:complexType>
<xs:sequence>
<xs:element name="package" maxOccurs="...
Merge/flatten an array of arrays
...
Or in a shorter, sexier form: const flatten = (arr) => arr.reduce((flat, next) => flat.concat(next), []);
– Tsvetomir Tsonev
Aug 8 '16 at 14:18
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RESTful call in Java
...about “resources”, “representations”, “state transfers”, “uniform interfaces”, “hypermedia”, or any other constraints or aspects of the REST architecture style identified by Fielding. The abstractions provided by various REST frameworks are therefore confusing and unhelpful.
So:...