大约有 15,000 项符合查询结果(耗时:0.0313秒) [XML]
Getting the name of a child class in the parent class (static context)
...ng an ORM library with reuse and simplicity in mind; everything goes fine except that I got stuck by a stupid inheritance limitation. Please consider the code below:
...
Python JSON serialize a Decimal object
...object, and wish to encode this to a JSON string which should look like {'x': 3.9} . I don't care about precision on the client side, so a float is fine.
...
LINQ to SQL: Multiple joins ON multiple Columns. Is this possible?
...rst but once you get acquainted with the way the SQL is composed from the expressions it will make a lot more sense, under the covers this will generate the type of join you are looking for.
EDIT Adding example for second join based on comment.
var query =
from t1 in myTABLE1List // List<TA...
How to get a JavaScript object's class?
...
There's no exact counterpart to Java's getClass() in JavaScript. Mostly that's due to JavaScript being a prototype-based language, as opposed to Java being a class-based one.
Depending on what you need getClass() for, there are several ...
How can I open the interactive matplotlib window in IPython notebook?
...
In [2]: %matplotlib inline
In [3]: plot(...)
In [4]: %matplotlib qt # wx, gtk, osx, tk, empty uses default
In [5]: plot(...)
and that will pop up a regular plot window (a restart on the notebook may be necessary).
I hope this helps.
...
Getting number of elements in an iterator in Python
...
No. It's not possible.
Example:
import random
def gen(n):
for i in xrange(n):
if random.randint(0, 1) == 0:
yield i
iterator = gen(10)
Length of iterator is unknown until you iterate through it.
...
How to convert from System.Enum to base integer?
... inheritance relationship with Int32 (though both are ValueTypes), so the explicit cast cannot be correct within the type system
share
|
improve this answer
|
follow
...
How to handle exceptions in a list comprehensions?
... some a list comprehension in Python in which each iteration can throw an exception.
6 Answers
...
Reset push notification settings for app
... Has anyone tried this w/ iOS 5.1? I have followed these steps exactly and I still can't get the device to reset it... I have even tried setting the clock on my Mac forward before installing it via Xcode.
– nrj
Mar 21 '12 at 19:21
...
Using port number in Windows host file
...e hosts file is for host name resolution only (on Windows as well as on Unix-like systems). You cannot put port numbers in there, and there is no way to do what you want with generic OS-level configuration - the browser is what selects the port to choose.
So use bookmarks or something like that.
(S...