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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
{
...
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?
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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}&...
Rails 4 - Strong Parameters - Nested Objects
I've got a pretty simple question. But haven't found a solution so far.
4 Answers
4
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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
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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
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How to get Linux console window width in Python
Is there a way in python to programmatically determine the width of the console? I mean the number of characters that fits in one line without wrapping, not the pixel width of the window.
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How to get a one-dimensional scalar array as a doctrine dql query result?
I want to get an array of values from the id column of the Auction table.
If this was a raw SQL I would write:
5 Answers
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