大约有 10,900 项符合查询结果(耗时:0.0385秒) [XML]
Django CharField vs TextField
...all" and "large"? What's going on under the hood here that makes this the case?
5 Answers
...
Binding a WPF ComboBox to a custom list
...r ConnectionViewModel object?
I copied you code and made some minor modifications, and it seems to work fine.
I can set the viewmodels PhoneBookEnty property and the selected item in the combobox changes, and I can change the selected item in the combobox and the view models PhoneBookEntry property...
Difference between framework and static library in xcode4, and how to call them
... of packaging up the compiled library binary and any related headers. They can be dropped into your project (just like the SDK's built-in frameworks like Foundation and UIKit) and they should just work (most of the time).
Most frameworks contain dynamic libraries; frameworks created in Xcode using ...
Color in git-log
...
As of git 1.8.3 (May 24, 2013), you can use %C(auto) to decorate %d in the format string of git log.
From the release notes:
* "git log --format" specifier learned %C(auto) token that tells Git
to use color when interpolating %d (decoration), %h (short co...
Named regular expression group “(?Pregexp)”: what does “P” stand for?
... (perl5-porters) is the right list. I
am cc'ing the Python string-sig because it is the origin of most of
the work I'm discussing here.
You are probably aware of Python. I am Python's creator; I am
planning to release a next "major" version, Python 1.5, by the end of
this year. I hop...
How exactly does a generator comprehension work?
...enexpr> at 0x7f2ad75f89e0>
>>> len(filtered_gen) # So technically, it has no length
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: object of type 'generator' has no len()
>>> # We extract each item out individually. We'll do it...
Inherit from a generic base class, apply a constraint, and implement an interface in C#
...so want the derived class to implement an interface. For the life of me, I cannot seem to figure out the correct syntax.
4 ...
What's the false operator in C# good for?
...
You can use it to override the && and || operators.
The && and || operators can't be overridden, but if you override |, &, true and false in exactly the right way the compiler will call | and & when you w...
Node.js - use of module.exports as a constructor
...
CommonJS modules allow two ways to define exported properties. In either case you are returning an Object/Function. Because functions are first class citizens in JavaScript they to can act just like Objects (technically they are Objects). That said your question about using the new keywords has a ...
What is the difference between “int” and “uint” / “long” and “ulong”?
...re unsigned versions with the same bit sizes. Effectively, this means they cannot store negative numbers, but on the other hand they can store positive numbers twice as large as their signed counterparts. The signed counterparts do not have "u" prefixed.
The limits for int (32 bit) are:
int: –21...
