大约有 3,080 项符合查询结果（耗时：0.0254秒） [XML]
Servlet for serving static content
...fied the this row: this.basePath = getServletContext().getRealPath(getInitParameter("basePath")); And replaced it with: this.basePath = getInitParameter("basePath");
– Yossi Shasho
Aug 15 '12 at 7:39
...
How to return smart pointers (shared_ptr), by reference or by value?
...void
needless copies:
get_names(std::vector<std::string>& out_param );
...
std::vector<std::string> names;
get_names( names );
Unfortunately, this approach is far from ideal.
The code grew by 150%
We’ve had to drop const-ness because we’re mutating names.
As ...
How to display unique records from a has_many through relationship?
...uite useful. Here's the code
OrdersController#show
@order = Order.find(params[:id])
@order_items_by_photo = @order.order_items.group_by(&:photo)
@order_items_by_photo then looks something like this:
=> {#<Photo id: 128>=>[#<OrderItem id: 2, photo_id: 128>, #<OrderIt...
When do you use map vs flatMap in RxJava?
...vable and emits it.
Say for example we've a method titleCase(String inputParam) that returns Titled Cased String object of the input param. The return type of this method can be String or Observable<String>.
If the return type of titleCase(..) were to be mere String, then you'd use map(s -...
Automapper - how to map to constructor parameters instead of property setters
...s a treat for me; AutoMapper currently doesn't like constructors where all parameters are optional, so I just use .ConstructUsing(x => new MyClass());
– David Keaveny
Apr 11 '11 at 23:56
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Asynctask vs Thread in android
...Invoked on the UI thread before the task is executed
doInbackground(Params..)
Invoked on the background thread immediately after onPreExecute()
finishes executing.
onProgressUpdate(Progress..)
Invoked on the UI thread after a call to publishProgress(Progress...).
onPos...
Are there benefits of passing by pointer over passing by reference in C++?
...
A pointer can receive a NULL parameter, a reference parameter can not. If there's ever a chance that you could want to pass "no object", then use a pointer instead of a reference.
Also, passing by pointer allows you to explicitly see at the call site w...
What's the difference between std::move and std::forward
...sing it.
std::forward has a single use case: to cast a templated function parameter (inside the function) to the value category (lvalue or rvalue) the caller used to pass it. This allows rvalue arguments to be passed on as rvalues, and lvalues to be passed on as lvalues, a scheme called "perfect fo...
How to get error information when HttpWebRequest.GetResponse() fails
...the response
console.Writeline(response.Body.Id); //where the body param matches the object you pass in as an anonymous type.
}else {
//do something with the error
console.Writelint(string.Format("{0}: {1}", response.StatusCode.ToString(), response.ErrorMessage);
...
How to get current path with query string using Capybara
...rch=name but you only care that it's on the /people page regardless of the param, you can send the only_path option:
expect(page).to have_current_path(people_path, only_path: true)
Additionally, if you want to compare the entire URL:
expect(page).to have_current_path(people_url, url: true)
Cre...