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How do servlets work? Instantiation, sessions, shared variables and multithreading
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1845
ServletContext
When the servlet container (like Apache Tomcat) starts up, it will deploy and l...
OpenJDK availability for Windows OS [closed]
...ds github project.
Update: OpenJDK 8 and 11 LTS binaries for Windows x86_64 can be found in ojdkbuild github project.
Disclaimer: I've built them myself.
Update (2019): OpenJDK Updates Project Builds for 8 and 11 are available now.
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Allow anything through CORS Policy
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answered Aug 14 '13 at 7:27
matteomatteo
2,15611 gold badge1212 silver badges1010 bronze badges
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How do you determine the ideal buffer size when using FileInputStream?
...and cache latency.
Most file systems are configured to use block sizes of 4096 or 8192. In theory, if you configure your buffer size so you are reading a few bytes more than the disk block, the operations with the file system can be extremely inefficient (i.e. if you configured your buffer to read...
Is null check needed before calling instanceof?
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answered Jun 1 '10 at 14:05
Andy ThomasAndy Thomas
76.2k1010 gold badges8989 silver badges137137 bronze badges
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How to uninstall npm modules in node js?
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Turbcool
944 bronze badges
answered Oct 25 '12 at 10:33
MenztrualMenztrual
35.5k1111 gol...
How do you convert a JavaScript date to UTC?
... a string in simplified extended ISO
format (ISO 8601), which is always 24 or 27 characters long
(YYYY-MM-DDTHH:mm:ss.sssZ or ±YYYYYY-MM-DDTHH:mm:ss.sssZ,
respectively). The timezone is always zero UTC offset, as denoted by
the suffix "Z".
Source: MDN web docs
The format you need is c...
Should you always favor xrange() over range()?
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444
For performance, especially when you're iterating over a large range, xrange() is usually bett...
BIO与NIO、AIO的区别(这个容易理解) - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...的BIO、同步非阻塞的NIO、异步非阻塞的AIO。一、BIO在JDK1 4出来之前，我们建立网络连接的时候采用BIO模式 IO的方式通常分为几种，同步阻塞的BIO、同步非阻塞的NIO、异步非阻塞的AIO。
一、BIO
在JDK1.4出来之前，我们建立网络...
Sort a single String in Java
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edited Mar 3 '09 at 14:26
answered Mar 3 '09 at 10:37
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