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Why “decimal” is not a valid attribute parameter type?
...mitives, null, types and arrays of
primitives (may have missed a minor
one).
Taken from this answer by JaredPar.
Decimals while a basic type are not a
primitive type and hence cannot be
represented in metadata which prevents
it from being an attribute parameter.
...
Using StringWriter for XML Serialization
...'s and Jon's answers, respectively). They might provide working code, but none of them actually answer the question. The issue is that nobody truly understood the question, which ultimately is about how the XML datatype in SQL Server works. Nothing against those two clearly intelligent people, but t...
When to use EntityManager.find() vs EntityManager.getReference() with JPA
...en you call getReference, you will get a proxy object. Something like this one (JPA provider takes care of implementing this proxy)
public class PersonProxy {
// JPA provider sets up this field when you call getReference
private Integer personId;
private String query = "UPDATE PERSON ...
Linux error while loading shared libraries: cannot open shared object file: No such file or director
... libfoo.so.1.0. And if you install version 1.1 without removing the other one, you'll have a libfoo.so.1.1, and libfoo.so.1 and libfoo.so will now point to the new one, but any code that requires that exact version can use the libfoo.so.1.0 file. Code that just relies on the version 1 API, but doe...
How can I add a key/value pair to a JavaScript object?
...() method is used to copy the values of all enumerable own properties from one or more source objects to a target object. It will return the target object.
Live example
var obj = {key1: "value1", key2: "value2"};
Object.assign(obj, {key3: "value3"});
document.body.innerHTML = JSON.stringify(ob...
Checking for the correct number of arguments
How do i check for the correct number of arguments (one argument). If somebody tries to invoke the script without passing in the correct number of arguments, and checking to make sure the command line argument actually exists and is a directory.
...
Is it Linq or Lambda?
...NQ with query syntax is also implemented using lambda expressions (as mentioned earlier, the compiler allows you to write in query syntax but effectively transforms it to method syntax behind your back). This is just piling on the fact that both flavors are totally equivalent and will behave the sam...
How do I install a module globally using npm?
...mmand line interface, as
well as a library. In those cases, you
can do one of the following:
Install it in both places. Seriously, are you that short on disk
space? It’s fine, really. They’re tiny
JavaScript programs.
Install it globally, and then npm link coffee-script or npm ...
Specify multiple attribute selectors in CSS
...
It's worth noting that at least one of the attribute values must be quoted. This would fail if you wrote it as input[name=Sex][value=M] even though it would be valid to have a selector with only one attribute that didn't use quotes.
...
How do I access the request object or any other variable in a form's clean() method?
...it__(self, *args, **kwargs):
self.request = kwargs.pop('request', None)
super(MyForm, self).__init__(*args, **kwargs)
def clean(self):
... access the request object via self.request ...
and in your view:
myform = MyForm(request.POST, request=request)
...