大约有 40,000 项符合查询结果（耗时：0.0730秒） [XML]
Difference between `const shared_ptr` and `shared_ptr`?
...
You are right. shared_ptr<const T> p; is similar to const T * p; (or, equivalently, T const * p;), that is, the pointed object is const whereas const shared_ptr<T> p; is similar to T* const p; which means that p is ...
How to use __doPostBack()
I'm trying to create an asyncrhonous postback in ASP.NET using __doPostBack() , but I have no idea how to do it. I want to use vanilla JavaScript.
...
How do I export UIImage array as a movie?
...riter has an input of type AVAssetWriterInput, which in turn has a method called appendSampleBuffer: that lets you add individual frames to a video stream. Essentially you’ll have to:
1) Wire the writer:
NSError *error = nil;
AVAssetWriter *videoWriter = [[AVAssetWriter alloc] initWithURL:
[...
How do you specify the date format used when JAXB marshals xsd:dateTime?
...te object ( XMLGregorianCalendar ) into an xsd:dateTime element. How can you specify the format of the resulting XML?
5 Ans...
Adding a regression line on a ggplot
...ying hard to add a regression line on a ggplot. I first tried with abline but I didn't manage to make it work. Then I tried this...
...
How to switch a user per task or set of tasks?
A recurring theme that's in my ansible playbooks is that I often must execute a command with sudo privileges ( sudo: yes ) because I'd like to do it for a certain user. Ideally I'd much rather use sudo to switch to that user and execute the commands normally. Because then I won't have to do my usual...
Creating an instance of class
...es an object of type Foo in dynamic memory. foo1 points to it. Normally, you wouldn't use raw pointers in C++, but rather a smart pointer. If Foo was a POD-type, this would perform value-initialization (it doesn't apply here).
/* 2 */ Foo* foo2 = new Foo;
Identical to before, because Foo is no...
how to set textbox value in jquery
How do I properly load the a certain value into a textbox using jquery?Tried the one below but I get the [object Object] as output. Please enlighten me on this, I'm new to jquery.
...
Serializing a list to JSON
...
If using .Net Core 3.0 or later;
Default to using the built in System.Text.Json parser implementation.
e.g.
using System.Text.Json;
var json = JsonSerializer.Serialize(aList);
alternatively, other, less mainstream options ...
JdbcTemplate queryForInt/Long is deprecated in Spring 3.2.2. What should it be replaced by?
The queryforInt/queryforLong methods in JdbcTemplate are deprecated in Spring 3.2. I can't find out why or what is considered the best practice to replace existing code using these methods.
...