大约有 40,000 项符合查询结果(耗时:0.0348秒) [XML]

https://stackoverflow.com/ques... 

How to download a file from a URL in C#?

...ethod also supports local files as 1st parameter – oo_dev Aug 22 '17 at 8:35 The MSDN doc did mention to use HttpClien...
https://stackoverflow.com/ques... 

How do I implement interfaces in python?

...the trick. from abc import ABCMeta, abstractmethod class IInterface: __metaclass__ = ABCMeta @classmethod def version(self): return "1.0" @abstractmethod def show(self): raise NotImplementedError class MyServer(IInterface): def show(self): print 'Hello, World 2!' ...
https://stackoverflow.com/ques... 

multi-step registration process issues in asp.net mvc (split viewmodels, single model)

... send on each request. This model binder will be registered in Application_Start: ModelBinders.Binders.Add(typeof(IStepViewModel), new StepViewModelBinder()); The last missing bit of the puzzle are the views. Here's the main ~/Views/Wizard/Index.cshtml view: @using Microsoft.Web.Mvc @model Wiza...
https://stackoverflow.com/ques... 

How to open a URL in a new Tab using JavaScript or jQuery? [duplicate]

... Use window.open(): var win = window.open('http://stackoverflow.com/', '_blank'); if (win) { //Browser has allowed it to be opened win.focus(); } else { //Browser has blocked it alert('Please allow popups for this website'); } Depending on the browsers implementation this will w...
https://stackoverflow.com/ques... 

How do I unit test web api action method when it returns IHttpActionResult?

... MixedCodeStandardController : ApiController { public readonly object _data = new Object(); public IHttpActionResult Get() { return Ok(_data); } public IHttpActionResult Get(int id) { return Content(HttpStatusCode.Success, _data); } } Testing the class: var ...
https://stackoverflow.com/ques... 

How to print an exception in Python?

...rint the exception, it is better to use print(repr(e)); the base Exception.__str__ implementation only returns the exception message, not the type. Or, use the traceback module, which has methods for printing the current exception, formatted, or the full traceback. – Martijn Pi...
https://stackoverflow.com/ques... 

Loop through an array of strings in Bash?

...example below it is changed to a comma List="Item 1,Item 2,Item 3" Backup_of_internal_field_separator=$IFS IFS=, for item in $List; do echo $item done IFS=$Backup_of_internal_field_separator Output: Item 1 Item 2 Item 3 If need to number them: ` this is called a back tick. Put t...
https://stackoverflow.com/ques... 

Match multiple cases classes in scala

... matcher(l: Foo): String = { l match { case A() => "A" case B(_) | C(_) => "B" case _ => "default" } } If you must, must, must extract the parameter and treat them in the same code block, you could: def matcher(l: Foo): String = { l match { case A() => "A" ca...
https://stackoverflow.com/ques... 

Run certain code every n seconds [duplicate]

...ontrol: from threading import Timer class RepeatedTimer(object): def __init__(self, interval, function, *args, **kwargs): self._timer = None self.interval = interval self.function = function self.args = args self.kwargs = kwargs ...
https://stackoverflow.com/ques... 

How can I check if a string represents an int, without using try/except?

...0' format, which is similar to int casting in this sense. edit: def check_int(s): if s[0] in ('-', '+'): return s[1:].isdigit() return s.isdigit() share | improve this answer ...