大约有 4,761 项符合查询结果（耗时：0.0238秒） [XML]
Change UICollectionViewCell size on different device orientations
I am using an UICollectionView with UICollectionViewFlowLayout .
6 Answers
6
...
Conceptually, how does replay work in a game?
I was kind of curious as to how replay might be implemented in a game.
12 Answers
12
...
Merging two images in C#/.NET
...
basically i use this in one of our apps:
we want to overlay a playicon over a frame of a video:
Image playbutton;
try
{
playbutton = Image.FromFile(/*somekindofpath*/);
}
catch (Exception ex)
{
return;
}
Image frame;
try
{
...
地图组件（高德地图） · App Inventor 2 中文网
...置的中心。
属性
自定义URL
支持XYZ格式的地图URL。XYZ格式是一种瓦片地图服务，将地图分成无数个小块，每个块对应一个特定的URL。
默认高德地图简图模式：https://wprd01.is.autonavi.com/appmaptile?x={x}&y={y}&...
Append TimeStamp to a File Name
... would like to have multiple versions of the same file in the same directory. The way I have been doing it using C# is by adding a time stamp to the file name with something like this DateTime.Now.ToString().Replace('/', '-').Replace(':', '.') .
Is there a better way to do this?
...
Rails 4 - Strong Parameters - Nested Objects
I've got a pretty simple question. But haven't found a solution so far.
4 Answers
4
...
Null coalescing in powershell
... introduces native null coalescing, null conditional assignment, and ternary operators in Powershell.
Null Coalescing
$null ?? 100 # Result is 100
"Evaluated" ?? (Expensive-Operation "Not Evaluated") # Right side here is not evaluated
Null Conditional Assignment
$x = $null
$x ??= 100 ...
How to apply unmerged upstream pull requests from other forks into my fork?
...ub that I have a fork of has a new pull requests that I want to pull into my fork that the author has not pulled in yet.
7 ...
How to set or change the default Java (JDK) version on OS X?
How can you change the default version of Java on a mac?
27 Answers
27
...
What is the difference between `throw new Error` and `throw someObject`?
...common error handler which will catch custom errors thrown on purpose at any instance of the code.
9 Answers
...