大约有 45,000 项符合查询结果（耗时：0.0551秒） [XML]
How can you make a custom keyboard in Android?
I want to make a custom keyboard. I don't know how to do it using XML and Java. The following picture is a model of the keyboard I want to make. It only needs numbers.
...
How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
...s> element, I would like to load an image file (PNG, JPEG, etc.), draw it to the canvas completely transparently, and then fade it in. I have figured out how to load the image and draw it to the canvas, but I don't know how to change its opacity once it as been drawn.
...
What's the difference between git clone --mirror and git clone --bare
The git clone help page has this to say about --mirror :
7 Answers
7
...
How to have conditional elements and keep DRY with Facebook React's JSX?
...JSX? Here is an example using a banner that should be in the component if it has been passed in. What I want to avoid is having to duplicate HTML tags in the if statement.
...
“tag already exists in the remote" error after recreating the git tag
...
Edit, 24 Nov 2016: this answer is apparently popular, so I am adding a note here. If you replace a tag on a central server, anyone who has the old tag—any clone of that central-server repository that already has the tag—co...
How does this JavaScript/jQuery syntax work: (function( window, undefined ) { })(window)?
...aken a look under the hood at the jQuery 1.4 source code and noticed how it's encapsulated in the following way:
5 Answer...
Mutex example / tutorial? [closed]
I'm new to multithreading, and was trying to understand how mutexes work. Did a lot of Googling but it still left some doubts of how it works because I created my own program in which locking didn't work.
...
Why do I need an IoC container as opposed to straightforward DI code? [closed]
I've been using Dependency Injection (DI) for a while, injecting either in a constructor, property, or method. I've never felt a need to use an Inversion of Control (IoC) container. However, the more I read, the more pressure I feel from the community to use an IoC container.
...
Redeploy alternatives to JRebel [closed]
JRebel allows for newly compiled code to be redeployed without restarting the application. I am wondering if there are any alternative (free?). The FAQ page answers this question, but I am sure it's biased towards JRebel. This question was asked a year ago on this site, but I am bringing it ba...
Is floating-point math consistent in C#? Can it be?
...f no way to way to make normal floating points deterministic in .net. The JITter is allowed to create code that behaves differently on different platforms(or between different versions of .net). So using normal floats in deterministic .net code is not possible.
The workarounds I considered:
Imple...