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How to create a new object instance from a Type
...00:00.1425534, Compiled expression
00:00:00.0717409, new
Statistics (2019, x64/.NET 4.8):
Iterations: 5000000
No args
00:00:00.3287835, Activator.CreateInstance(string assemblyName, string typeName)
00:00:00.3122015, Activator.CreateInstance(Type type)
00:00:00.8035712, ConstructorInfo.Invoke...
通过 ulimit 改善系统性能 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...发中心）的软件工程师。他在复旦大学获得了计算机科学专业的学士与硕士学位。目前他在 IBM SVC Agent 开发小组从事研发工作。
参考资料
参考 Linux Man Pages获取 ulimit 信息。
在 developerWorks Linux 专区寻找为 Linux 开发人员...
Visual Studio 2010 annoyingly opens documents in wrong MDI pane
... the problem of which pane is used when opening a file, but in my case (VS 2019), it closed pane #2 altogether, which was a pain (pun intended).
– Tom Bogle
Apr 22 at 16:02
ad...
Parse string to DateTime in C#
...bove):
var patterns=new[] { "dd-MM-yyyy", "dd.MM.yyyy" };
(new[] { "15-01-2019", "15.01.2019" }).Select(s => s.ToDate(patterns)).Dump();
which will convert the dates in the array on the fly by using the patterns and dump them to the console.
Some background about TryParseExact
Finally, He...
How do I get currency exchange rates via an API such as Google Finance? [closed]
...base=GBP&symbols=USD
{"base":"GBP","rates":{"USD":1.264494191},"date":"2019-05-29"}
###CurrencyApi.net###
Free Plan for 1250 monthly hits
Base currency is set as USD on free account
Requires registration.
Documentation: currencyapi.net/documentation
JSON Response:
{
"valid": true,
"time...
Can I arrange repositories into folders on Github?
..., that only supports a nested team organization structure.
Update February 2019: you now have the concept of project:
See "User owned projects—your personal workspace "
You can also link up to 5 repositories to your project board. Linking repositories will limit the scope of the search to those l...
How much space can your BitBucket account have?
...
August 2019: the soft limit (1GB) and hard limit (2GB) are still in place per repository.
But that will soon be for Git repositories only.
Regarding Mercurial specifically (which is one of the tags for this question), the limit w...
How to rsync only a specific list of files?
...
$ date
Wed 24 Apr 2019 09:54:53 AM PDT
$ rsync --version
rsync version 3.1.3 protocol version 31
...
Syntax: rsync <file_/_folder_list> <source> <target>
Folder names (here, WITH a trailing /; e.g. Cancer - Evolut...
C++STL容器使用经验总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...如果你正在改进自己的编码风格，并希望自己的风格更加专业一点的话，你就应该注意到，STL中所有无状态的函数子类（如less<T>、 plus<T>等）一般都定义成结构。
我们在看一下WidgetNameCompare：
struct WidgetNameCompare:
public std::binary...
一文讲透区块链技术原理 - 资讯 - 清泛网 - 专注C/C++及内核技术
...生在网络中的所有价值交换活动呢？区块链设计者没有为专业的会计记录者预留一个特定的位置，而是希望通过自愿原则来建立一套人人都可以参与记录信息的分布式记账体系，从而将会计责任分散化，由整个网络的所有参与者...