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What is the difference between List (of T) and Collection(of T)?
...ow - because method hiding won't be used by any code that uses a different API - i.e. Anything that looks for IList, IList<T>, List<T> etc. In short, you have no idea whether it will be called. Polymorphism fixes this.
– Marc Gravell♦
Mar 11 '11 a...
How to initialize a JavaScript Date to a particular time zone
...
In environments that have implemented the ECMASCript Internationalization API (aka "Intl"), a Date object can produce a locale-specific string adjusted to a given time zone identifier. This is accomplished via the timeZone option to toLocaleString and its variations. Most implementations will sup...
Comparing Haskell's Snap and Yesod web frameworks
...r, heist, snap, and xmlhtml. snap-server is a web server that exposes the API defined by snap-core. heist is a templating system. xmlhtml is an XML/HTML parsing and rendering library used by heist. snap is an umbrella project that glues them all together and provides the powerful snaplets API th...
Delete a key from a MongoDB document using Mongoose
...doc to plain object and from there use it as usual.
Read more in mongoose api-ref:
http://mongoosejs.com/docs/api.html#document_Document-toObject
Example would look something like this:
User.findById(id, function(err, user) {
if (err) return next(err);
let userObject = user.toObject();
...
开源MQTT网关：EMQX vs Mosquitto - 创客硬件开发 - 清泛IT社区，为创新赋能！
... 为用户提供了黑名单功能，用户可以通过 Dashboard 和 HTTP API 将指定客户端加入黑名单以拒绝该客户端访问，除了客户端标识符以外，还支持直接封禁用户名甚至 IP 地址，方便用户灵活管理客户端的连接与访问。数据集成Mosquitto ...
Greenlet Vs. Threads
...each greenlet runs in its own context, you can continue to use synchronous APIs without threading. This is good because threads are very expensive in terms of virtual memory and kernel overhead, so the concurrency you can achieve with threads is significantly less. Additionally, threading in Python ...
Python __call__ special method practical example
...
Django forms module uses __call__ method nicely to implement a consistent API for form validation. You can write your own validator for a form in Django as a function.
def custom_validator(value):
#your validation logic
Django has some default built-in validators such as email validators, ur...
What is the purpose of backbone.js?
...s little about your server, except that it should ideally expose a restful API.
If you have an API, Backbone has a few helpful features that will help you talk to it, but you can use Backbone to add interactivity to any static HTML page.
Backbone is for...
...adding structure to JavaScript.
Bec...
WebSockets vs. Server-Sent events/EventSource
...estion.
One reason SSEs have been kept in the shadow is because later APIs like WebSockets provide a richer protocol to perform bi-directional, full-duplex communication. Having a two-way channel is more attractive for things like games, messaging apps, and for cases where you need near real-ti...
Difference between Visual Basic 6.0 and VBA
...windowed controls in VB, but in VBA it's a lot harder to use hWnd-oriented API calls because most of the controls are windowless. And, speaking of controls, you can author your own in VB and use them in VBA as well as elsewhere. Lots of other niggles - see the Object Browser (press F2 in the IDE).
...