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Force the origin to start at 0
How can I set the origin / interception of the y-axis and x-axis in ggplot2?
3 Answers
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Mark parameters as NOT nullable in C#/.NET?
...the desired feature:
public class Person
{
public string Name { get; set; } // Not Null
public string? Address { get; set; } // May be Null
}
The preview is available for Visual Studio 2017, 15.5.4+ preview.
sha...
Long-lasting FB access-token for server to pull FB page info
... for the page you'll be pulling info from
Lint the token to see that it is set to Expires: Never!
That should do it. You should now have a Facebook Page Access Token that doesn't expire, unless:
You change your Facebook account password
You lose admin access for the target page
You delete or de-...
Evaluate empty or null JSTL c tags
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Summarized: empty doesn't work on Set when using the ancient JSTL 1.0. You'd need to upgrade to JSTL 1.1 (which is from 2003 already).
– BalusC
Jun 4 '12 at 12:32
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What do the different readystates in XMLHttpRequest mean, and how can I use them?
...cription
0 The request is not initialized
1 The request has been set up
2 The request has been sent
3 The request is in process
4 The request is complete
(from https://www.w3schools.com/js/js_ajax_http_response.asp)
In practice you almost never use any of them except for ...
搭建高可用mongodb集群（四）—— 分片 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...中可以看到有四个组件：mongos、config server、shard、replica set。
mongos，数据库集群请求的入口，所有的请求都通过mongos进行协调，不需要在应用程序添加一个路由选择器，mongos自己就是一个请求分发中心，它负责把对应的数据请...
Remove non-ascii character in string
... least IE 11). It fails with error: SCRIPT5021: Invalid range in character set
– Andrey Sorich
May 19 '19 at 6:51
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Confusion: @NotNull vs. @Column(nullable = false) with JPA and Hibernate
...n validation annotations like @NotNull to ensure, that bean properties are set to a none-null value, when validating java beans in the JVM (this has nothing to do with database constraints, but in most situations should correspond to them).
You should additionally use the JPA annotation like @Colum...
Difference between ProcessBuilder and Runtime.exec()
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I can not set the environment for ProcessBuilder. I can only get the environment...
– ilke Muhtaroglu
Nov 5 '18 at 10:22
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Unicode与UTF-8互转(C语言实现) - C/C++ - 清泛网 - 专注C/C++及内核技术
...编码方案. Unicode的学名是"Universal Multiple-Octet Coded Character Set",
简称为UCS. UCS可以看作是"Unicode Character Set"的缩写.
Unicode当然是一个很大的集合, 现在的规模可以容纳100多万个符号. 每个符号的编码都
不一样, 比如, U+0639表示阿拉...