大约有 46,000 项符合查询结果(耗时:0.0361秒) [XML]
Is there a benefit to defining a class inside another class in Python?
...er class and a DownloadThread class. The obvious OOP concept here is composition. However, composition doesn't necessarily mean nesting, right?
...
Flask-SQLAlchemy import/context issue
...
The flask_sqlalchemy module does not have to be initialized with the app right away - you can do this instead:
# apps.members.models
from flask_sqlalchemy import SQLAlchemy
db = SQLAlchemy()
class Member(db.Model):
# fields here
pass
And then in your application...
node.js require all files in a folder?
...
When require is given the path of a folder, it'll look for an index.js file in that folder; if there is one, it uses that, and if there isn't, it fails.
It would probably make most sense (if you have control over the folder) to create an index.js file and then assign ...
How to open a new window on form submit
I have a submit form and want it to open a new window when users submits the form so i can track it on analytics.
9 Answers...
LINQ Select Distinct with Anonymous Types
So I have a collection of objects. The exact type isn't important. From it I want to extract all the unique pairs of a pair of particular properties, thusly:
...
What is the difference between quiet NaN and signaling NaN?
...program checks the result and sees a NaN. That is, computation continues without any signal from the floating point unit (FPU) or library if floating-point is implemented in software. A signalling NaN will produce a signal, usually in the form of exception from the FPU. Whether the exception is t...
Does using “new” on a struct allocate it on the heap or stack?
When you create an instance of a class with the new operator, memory gets allocated on the heap. When you create an instance of a struct with the new operator where does the memory get allocated, on the heap or on the stack ?
...
How to write inline if statement for print?
...a boolean variable is set to True . So, after looking at this , I tried with a simple example:
13 Answers
...
Set breakpoint in C or C++ code programmatically for gdb on Linux
...ATE: MSDN states that Windows doesn't really support SIGINT, so if portability is a concern, you're probably better off using SIGABRT.
share
|
improve this answer
|
follow
...
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
...t sure how to proceed. The app already has an NSFetchedResultsController with a predicate to retrieve the data for the primary TableView. I want to make sure I'm on the right path before I change too much code. I'm confused because so many of the examples are array-based instead of CoreData.
...
