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When to use @QueryParam vs @PathParam
...
This is what I do.
If there is a scenario to retrieve a record based on id, for example you need to get the details of the employee whose id is 15, then you can have resource with @PathParam.
GET /employee/{id}
If there is a scenario where you need to get the details of all employees ...
How do I use IValidatableObject?
...in your table (such as the user who created it). It is required in the database but you step in in the SaveChanges in the context to populate it (eliminating the need for developers to remember to set it explicitly). You would, of course, validate before saving. So you don't mark the "creator" colum...
Best design for a changelog / auditing database table? [closed]
I need to create a database table to store different change log/auditing
(when something was added, deleted, modified, etc). I don't need to store particularly detailed info, so I was thinking something along the lines of:
...
GetHashCode Guidelines in C#
...e whole story.
The point being made is that for mutable types, you cannot base the hash code on the mutable data because two equal objects must return the same hash code and the hash code has to be valid for the lifetime of the object. If the hash code changes, you end up with an object that gets l...
How do you create a REST client for Java? [closed]
...P2). Works on Android. Unfortunately it does not offer a true reactor-loop based async option (see Ning and HTTP components above). However if you use the newer HTTP2 protocol this is less of a problem (assuming connection count is problem).
Ning Async-http-client - provides NIO support. Previously...
How to install the Raspberry Pi cross compiler on my Linux host machine?
...This tutorial only works for older raspbian images. For the newer Raspbian based on Debian Buster see the following how-to in this thread: https://stackoverflow.com/a/58559140/869402
Pre-requirements
Before you start you need to make sure the following is installed:
apt-get install git rsync cmak...
What is the correct way to create a single-instance WPF application?
....Msg == NativeMethods.WM_SHOWME) {
ShowMe();
}
base.WndProc(ref m);
}
private void ShowMe()
{
if(WindowState == FormWindowState.Minimized) {
WindowState = FormWindowState.Normal;
}
// get our current "TopMost" value (ours wi...
What are the pros and cons of performing calculations in sql vs. in your application
...lex work - especially not great for procedural work, but very good for set-based work; lousy error-handling, though)
As always, if you do bring the data back to the app-server, minimising the columns and rows will be to your advantage. Making sure the query is tuned and appropriately indexed will ...
App Inventor 2 TaifunImage 拓展，图像高级处理功能，剪裁，压缩，翻转等 ...
... 方法
事件
图片分辨率压缩
图片缩放并Base64化
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TaifunImage 拓展
.aix 拓展下载：
com.puravidaapps.TaifunImage.aix
demo程序下载：
下载Resize测试项目(aia文件)
下载Create...
Determine if a String is an Integer in Java [duplicate]
...t look at each element at least once. I suppose we could micro-optimize it based on the radix, but for all intents and purposes this is as good as you can expect to get.
public static boolean isInteger(String s) {
return isInteger(s,10);
}
public static boolean isInteger(String s, int radix) {...