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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
...所以这个分片还是很有讲究的，后续再深入讨论。
12、java程序调用分片集群，因为我们配置了三个mongos作为入口，就算其中哪个入口挂掉了都没关系，使用集群客户端程序如下：
public class TestMongoDBShards {
public static...
Unicode, UTF, ASCII, ANSI format differences
...r Unicode encoding that particular system uses by default. On Windows and Java, this often means UTF-16; in many other places, it means UTF-8. Properly, Unicode refers to the abstract character set itself, not to any particular encoding.
UTF-16: 2 bytes per "code unit". This is the native format o...
Is modern C++ becoming more prevalent? [closed]
...extent, I agree, most people who have a choice have already gone for C# or Java or other such languages.
– jalf
Feb 11 '09 at 18:06
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What is non-blocking or asynchronous I/O in Node.js?
In the context of Server Side Javascript engines, what is non-blocking I/O or asynchronous I/O? I see this being mentioned as an advantage over Java server side implementations.
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HTTP vs HTTPS performance
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In terms of A Java client, how can one make HTTPS connection re-usable? I mean, can I make a static object of HttpsConnection and re-use it? (in a web application context)
– Niks
Dec 29 '11 at 9:27
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Difference between using Throwable and Exception in a try catch
...ecoverable mean exactly? Is it so severe, that we can't basically call ANY Java method after catching it anymore (logging, etc) without the chance to get an unpredictable behavior from JVM as a result?
– Alexander Abakumov
Aug 8 '17 at 22:49
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Is JavaScript an untyped language?
I've found that some people call JavaScript a "dynamically, weakly typed" language, but some even say "untyped"? Which is it really?
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Why prefer two's complement over sign-and-magnitude for signed numbers?
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Java only has signed integer types as far as I'm aware, so it always treats it in its two's complement interpretation. In other languages, how the value is treated depends on how the code treats it. There's nothing to tell yo...
Try catch statements in C
...p as others have mentioned. Nothing as straightforward and elegant as C++/Java's try/catch. I'm rather partial to Ada's exception handling myself.
Check everything with if statements :)
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Spring @Autowired usage
...n with spring. This is the way things have been happening in the past (the java.util.concurrent stuff springs to mind), so I wouldn't be entirely surprised if this happened again.
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