大约有 21,000 项符合查询结果(耗时:0.0311秒) [XML]
What is a handle in C++?
I have been told that a handle is sort of a pointer, but not, and that it allows you to keep a reference to an object, rather than the object itself. What is a more elaborate explanation?
...
Java String to SHA1
I'm trying to make a simple String to SHA1 converter in Java and this is what I've got...
12 Answers
...
Where to place the 'assets' folder in Android Studio?
I am confused about the assets folder. It doesn't come auto-created in Android Studio, and almost all the forums in which this is discussed talk about Eclipse.
...
Remove all classes that begin with a certain string
I have a div with id="a" that may have any number of classes attached to it, from several groups. Each group has a specific prefix. In the javascript, I don't know which class from the group is on the div. I want to be able to clear all classes with a given prefix and then add a new one. If I want...
How to trigger HTML button when you press Enter in textbox?
So the code that I have so far is:
12 Answers
12
...
How do I open an old MVC project in Visual Studio 2012 or Visual Studio 2013?
I have an old ASP.NET MVC 2 project which I do not want to upgrade to MVC 3 or MVC 4. I am working on a new machine running Windows 8, Visual Studio 2012 and Visual Studio 2013. When I try to open the MVC 2 project in VS 2012 or VS 2013 I receive the error:
...
Can dplyr package be used for conditional mutating?
Can the mutate be used when the mutation is conditional (depending on the values of certain column values)?
5 Answers
...
CSS for grabbing cursors (drag & drop)
I have a JavaScript webapp where the user needs to grab the background to move the whole screen around. So I want the cursor to change when they're hovering over the background. The -moz-grab and -moz-grabbing CSS cursors are ideal for this. Of course, they only work in Firefox... are there ...
How to get the current time in milliseconds from C in Linux?
How do I get the current time on Linux in milliseconds?
6 Answers
6
...
How should I handle “No internet connection” with Retrofit on Android
I'd like to handle situations when there is no internet connection. Usually I'd run:
7 Answers
...
