大约有 40,000 项符合查询结果（耗时：0.0537秒） [XML]
When would you use a WeakHashMap or a WeakReference?
...WebSocket clients should be bound with some listeners on them via registry service, it seems logical to store socket objects as a keys in WeakMap (to prevent them from hanging in memory after connection close, say, on error) and being able to retrieve all their listeners if needed. So, could you ple...
What does enctype='multipart/form-data' mean?
...ans than an HTML form submission. JSON is a common format for use with web services and some still use SOAP.)
The specifics of the formats don't matter to most developers. The important points are:
Never use text/plain.
When you are writing client-side code:
use multipart/form-data when your ...
Can enums be subclassed to add new elements?
...ationType_EventsGroup.DEPOSIT,
ApplyTo_EventsGroup.CHANNEL),
SERVICE_DEPOSIT (Status_EventsGroup.WITH_STATUS,
Authorization_EventsGroup.TERMINAL_AUTHORIZATION,
ChangedMoneyAccountState_EventsGroup.CHANGED,
OperationType_EventsGroup.DEPOSIT,...
How can I save my secret keys and password securely in my version control system?
...s fundamentally inconsistent with source control, because the keys are for services extrinsic to the the code. The one boon would be that a developer can clone HEAD and run the application without any setup. However, suppose a developer checks out a historic revision of the code. Their copy will inc...
REST HTTP status codes for failed validation or invalid duplicate
...st + your optional description. This is suggested in the book "RESTful Web Services".
For double submit: 409 Conflict
Update June 2014
The relevant specification used to be RFC2616, which gave the use of 400 (Bad Request) rather narrowly as
The request could not be understood by the server...
What is Mocking?
...e used in unit testing.
Often a method under a test calls other external services or methods within it. These are called dependencies. Once mocked, the dependencies behave the way we defined them.
With the dependencies being controlled by mocks, we can easily test the behavior of the method tha...
What is the difference between quiet NaN and signaling NaN?
... By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy
...
App Inventor 2 中的响应式设计 · App Inventor 2 中文网
...载或使用 隐私策略和使用条款 技术支持 service@fun123.cn
Why do pthreads’ condition variable functions require a mutex?
...wakeup) but, in all my many years working on pthreads, both in development/service of the code and as a user of them, I never once received one of these. Maybe that was just because HP had a decent implementation :-)
In any case, the same code that handled the erroneous case also handled genuine sp...
Multiple controllers with AngularJS in single page app
...he app
var app = angular.module("app", ["xeditable"]);
Then I built one service and two controllers
For each controller I had a line in the JS
app.controller('EditableRowCtrl', function ($scope, CRUD_OperService) {
And in the HTML I declared the app scope in a surrounding div
<div ng-app=...