大约有 24,976 项符合查询结果(耗时:0.0342秒) [XML]

https://stackoverflow.com/ques... 

AngularJS directive with default options

I'm just starting with angularjs, and am working on converting a few old JQuery plugins to Angular directives. I'd like to define a set of default options for my (element) directive, which can be overridden by specifying the option value in an attribute. ...
https://stackoverflow.com/ques... 

Laravel Eloquent Sum of relation's column

I've been working on a shoppingcart application and now I've come to the following issue.. 4 Answers ...
https://stackoverflow.com/ques... 

Is there a way to chain multiple value converters in XAML?

I've got a situation in which I need to show an integer value, bound to a property on my data context, after putting it through two separate conversions: ...
https://stackoverflow.com/ques... 

Read-only and non-computed variable properties in Swift

...Swift language. Let's say I used to do something like the following in Objective-C. I have readonly properties, and they cannot be individually changed. However, using a specific method, the properties are changed in a logical way. ...
https://stackoverflow.com/ques... 

Concurrent.futures vs Multiprocessing in Python 3

Python 3.2 introduced Concurrent Futures , which appear to be some advanced combination of the older threading and multiprocessing modules. ...
https://stackoverflow.com/ques... 

Assign pandas dataframe column dtypes

I want to set the dtype s of multiple columns in pd.Dataframe (I have a file that I've had to manually parse into a list of lists, as the file was not amenable for pd.read_csv ) ...
https://stackoverflow.com/ques... 

How do you make a WPF slider snap only to discrete integer positions?

...oo often I want a WPF slider that behaves like the System.Windows.Forms.TrackBar of old. That is, I want a slider that goes from X to Y but only allows the user to move it in discrete integer positions. ...
https://stackoverflow.com/ques... 

git: switch branch without detaching head

I have a repository on github with a main branch (master) and a branch for some experimental work. I made some commits and pushed to the experimental branch and everything was fine. ...
https://stackoverflow.com/ques... 

Observer Design Pattern vs “Listeners”

It seems to me that the Observer design pattern as described in GOF is really the same thing as Listeners found in various toolkits. Is there a difference between the concepts, or are Listeners and Observers really the same thing. ...
https://stackoverflow.com/ques... 

What's the equivalent for eclipse's ALT+UP/DOWN (move line) in Visual Studio?

In Eclipse, selecting a line and pressing Alt + ↑ / ↓ will move the line up and down, a quick way to avoid copy&paste. Is there an equivalent in Visual Studio? ...