blocks|key|1468257|text|C%2B%2B有效地降级为嵌入式系统、操作系统、浏览器|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1468258|“其他特别用途发展”|1468259|你是说99%25的人每天运行的代码？|1468260|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|H|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|I|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|J|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|G|$]]

"C++ effectively relegated to embedded systems, OS, Browser"

"other special purpose development"

You mean 99% of the code people run on a daily basis?

blocks|key|2992182|text|C%2B%2B在许多关键任务财务应用程序中仍被大量使用。例如，彭博的大多数平台都是基于C%2B%2B的，很少有其他语言的前端。许多投资银行和对冲基金使用完全用C%2B%2B编写的算法交易系统(例如塔研究资本、骑士资本等)。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2992183|如果您已经离开C%2B%2B一段时间了，您可能需要适应大量现在标准的库。当我做我的大部分C%2B%2B时，STL是相当新的，您要么采用了Microsoft，要么没有采用。如果我现在回到C%2B%2B，我必须学习所有新的库才能有效。|2992184|我认为大多数转向其他语言的运动都与web开发和以网络为中心的开发有关。这方面的主要例外是谷歌，它仍然主要使用C%2B%2B和Python。|2992185|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|H|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|I|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|J|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|G|$]]

C++ is still heavily used in many mission critical financial applications. For example, most of Bloomberg's platforms are based on C++ with very little front end in other languages. Many investment banks and hedge funds use algorithmic trading systems written completely in C++ (e.g., Tower Research Capital, Knight Capital, etc.).

If you've been out of C++ for a while, you may need to get used to a whole bunch of now-standard libraries. When I was doing most of my C++, STL was fairly new and you either adopted the Microsoft libs or did not. If I went back to C++ now, I'll have to learn all the new libraries to be effective.

I think most of the movement to other languages is related to web development and web-centric development. The main exception to that would be Google, which still primarily use C++ and Python.

blocks|key|1263482|text|C%2B%2B仍然很受欢迎。例如，结合Qt，经常使用它。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1263483|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

C++ is still very popular. For instance, combined with Qt it is often used.

blocks|key|2992219|text|如果你需要做一些非常非常快的事情的话，它还没有消失。如果“足够快”是可以的，那么C#和Java是可以的，但是如果您的计算需要几个小时或几天，或者您需要在微秒时间刻度(即高频交易)上发生一些事情，那么C%2B%2B仍然是可以使用的语言。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2992220|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

It hasn't gone away if you need to do something really, really fast. If "fast enough" is OK, then C# and Java are fine, but if you have a calculation that takes hours or days, or you need something to happen on the microsecond timescale (i.e. high frequency trading) C++ is still the language to use.

blocks|key|2992239|text|对于许多高性能的应用程序来说，C%2B%2B仍然很有价值。还有其他技术，取决于情况，不同的语言更适合您的需要。但是如果您想要强大的性能、良好的代码控制以及灵活的网络和编程堆栈，那么C%2B%2B仍然是一个不错的选择。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2992240|一个更好的建议是:让问题来到你的身边，找出最适合情况的语言，而不是用一种语言去寻找问题。|2992241|不过，如果你对C%2B%2B很了解，你可以在任何地方学习/编程。|2992242|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|H|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|I|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|J|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|G|$]]

C++ is still valuable for many high performance apps. There are other technologies, and depends on the situation different languages are better suited for your needs. But if you want strong performance, good control of what your code is doing, and flexible networking and programming stack, C++ is still a good choice.

A better suggestion is: let the problems come to you and find the language that best suites the situation, rather than take a language and go look for problems.

Still: if you know C++ well, you can learn/program in anything.

blocks|key|2992262|text|C%2B%2B通常用于系统工作，通常定义为UI不是中心的软件，而不是应用程序工作--+UI是中心的软件。因此，对于一般的业务使用来说，这可能不是很有趣，这些问题最好用更高级的语言来解决。然而，总是会有低级别的系统工作要做，而C或C%2B%2B是目前解决这些问题的实用方法。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2992263|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

C++ is usually used for systems work, generally defined as software where the UI is not central, not application work -- where the UI is central. So, for general business use it's probably not very interesting and those problems are better solved with a higher level language. However, there will always be low level systems work to be done, and C or C++ is the practical answer for those problems right now.

blocks|key|1263563|text|到目前为止，C%2B%2B是唯一既面向对象又编译的语言(或者至少，它有一个成熟的优化编译器的生态系统)。这使得它成为大多数大型、计算密集型项目的唯一选择。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1263564|在我看来，最突出的例子是游戏和游戏引擎--这些都是把机器挤出毫秒分数的huuuuuge项目。MS正试图为XNA+(一个管理的游戏开发框架-基本上是一个DirectX包装)获得一些支持，但很可能无法从AAA游戏产品中得到任何支持。|1263565|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

To this day, C++ is the only language which is both object oriented and compiled (or at least, which has a mature ecosystem of optimizing compilers). Which leaves it as the sole choice for most large scale, compute-intense projects. 

To me the prominent example is games and game engines - these are huuuuuge projects that squeeze machines for milisecond-fractions. MS is trying to get some traction for XNA (a managed game-dev framework - basically a DirectX wrapper ), but most probably would never get any for AAA game productions.

blocks|key|1265194|text|首先，我怀疑任何人都不能给出一个明确的答案你所能测量的几乎任何东西都是次要的，比如有多少人在用这种语言做广告。问题在于，这往往表明相对较新的语言在更大程度上占据主导地位，而非真实语言。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1265195|话虽如此，我的信念如下。有一段时间，C%2B%2B是市场上最热门的新语言，当它主导市场时，出现了泡沫。那个泡沫在很长一段时间前就破灭了。自那时以来，C%2B%2B的使用一直在绝对的基础上增长，但市场的增长速度(相当大)更快，因此其相对萎缩。|1265196|不过，这有几个原因没有出现在大多数次要指标中，比如招聘广告。其中几个显而易见的问题包括：|1265197|许多生产C%2B%2B的团队现在已经有数年的时间来“定居”，所以流失率相对较低。|ordered-list-item|1265198|现在它的使用地点已经很好了，所以职位往往是通过内部晋升来填补的。|1265199|还有一个效果，我几乎不愿提，但这是真的，无论有多少人喜欢它:有程序员和经理谁更兴奋的“新”，而不是有效。这就导致了一大群不断向最新和最伟大的“技术”(无论是语言、框架、平台或其他什么)发展的渴望群体。他们得到了一份工作，比如面包(或者更糟的是，实际上写了一些代码)，然后转到他们的下一个victim...er...employer。他们造成了大量的“流失”，并夸大了招聘广告的数量，但几乎没有产生任何真正的价值。这个小组很久以前就从C%2B%2B迁移到了Java，很久以前就已经从C#迁移到Rails，到Hadoop了，这周经理们都很兴奋。|1265200|为了避免我听起来过于消极，我应该补充说，在这个过程中，他们中的一些人确实找到了他们擅长的东西，而且(大部分)倾向于坚持下去。不幸的是，对于每一个这样做的人，至少还有五个新的毕业生加入到人群中来。|1265201|entityMap^0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|R|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|S|8|@]|9|@]|A|$]]|$1|F|3|G|5|H|7|T|8|@]|9|@]|A|$]]|$1|I|3|J|5|H|7|U|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|V|8|@]|9|@]|A|$]]|$1|M|3|N|5|6|7|W|8|@]|9|@]|A|$]]|$1|O|3|-4|5|6|7|X|8|@]|9|@]|A|$]]]|P|$]]

First of all, I doubt anybody can give a definitive answer -- there's just no way to tell exactly how much any particular language is really used. Nearly anything you can measure is a secondary measurement, such as how many people are advertising jobs using that language. The problem is that this tends to show relatively new languages as dominating to a much greater degree than is real.

That said, my belief is as follows. At one time, C++ was the hot new language on the block, and there was a bubble when it dominated the market. That bubble deflated quite a while ago. Since then, use of C++ has been growing on an absolute basis, but the market has been growing (quite a bit) faster so its shrinking on a relative basis.

There are a couple of reasons this doesn't show up in most secondary measures such as job advertisements though. A couple of the obvious ones include:

<ol>
<li>Many teams producing C++ have now had years to "settle in", so the turnover rate is relatively low. </li>
<li>It's now well established where it's used, so positions tend to be filled by internal promotions.</li>
</ol>

There's another effect I almost hesitate to mention, but it's true no matter how little a lot of people like it: there are both programmers and managers who are more excited about "new" than effective. This leads to a large group of wannabes who are constantly on the move to the latest and greatest "technology" (whether that happens to be a language, framework, platform, or whatever). They get a job, loaf (or worse, actually write some code), then move on to their next victim...er...employer. They cause a lot of "churn", and inflate the number of job advertisements, but produce little or nothing of any real value. That group moved from C++ to Java a long time ago, and have long since moved from Java to C# to Ruby on Rails to Hadoop to whatever the managers are excited about this week.

Lest I sound excessively negative, I should add that along the way, a few of them really find something they're good at, and (mostly) tend to stay with that. Unfortunately, for every one who does, there are at least five more new graduates to join the throng...

blocks|key|2992378|text|作为一种通用的开发语言？嗯，这取决于你的行业，但我在两个不同的行业工作过，而且总是有大量的C%2B%2B工作：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2992379|电信|ordered-list-item|2992380|嵌入式设备通常使用C和C%2B%2B作为核心服务。|unordered-list-item|2992381|通常非常复杂的网络设备大量使用C%2B%2B。|2992382|与硬件一起工作的软件应用程序通常用C%2B%2B编写。|2992383|2992384|​|2992385|金融服务|2992386|交易执行系统通常在C%2B%2B中。在为客户执行订单时，不能启动垃圾收集。|2992387|算法和高频交易系统通常在C%2B%2B中。|2992388|通用交易系统没有严格的速度要求，似乎是在C%2B%2B和Java中，C#也开始出现。|2992389|如今，管理应用程序往往是用Java、VB或C#编写的。|2992390|最近出现了一种定量分析功能语言的趋势，因此F#和Haskell开始出现，SAS和Matlab也一直很常见。|2992391|2992392|2992393|我在某个地方读到Nyse/Euronext使用Java，但它们禁用垃圾收集器并在内存异常多的服务器上运行。|2992394|entityMap^0|0|1|1|1|1|0|0|1|1|1|1|1|1|0|0|0^^$0|@$1|2|3|4|5|6|7|16|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|17|8|@]|9|@]|A|$]]|$1|E|3|F|5|G|7|18|8|@]|9|@]|A|$]]|$1|H|3|I|5|G|7|19|8|@]|9|@]|A|$]]|$1|J|3|K|5|G|7|1A|8|@]|9|@]|A|$]]|$1|L|3|-4|5|6|7|1B|8|@]|9|@]|A|$]]|$1|M|3|N|5|6|7|1C|8|@]|9|@]|A|$]]|$1|O|3|P|5|D|7|1D|8|@]|9|@]|A|$]]|$1|Q|3|R|5|G|7|1E|8|@]|9|@]|A|$]]|$1|S|3|T|5|G|7|1F|8|@]|9|@]|A|$]]|$1|U|3|V|5|G|7|1G|8|@]|9|@]|A|$]]|$1|W|3|X|5|G|7|1H|8|@]|9|@]|A|$]]|$1|Y|3|Z|5|G|7|1I|8|@]|9|@]|A|$]]|$1|10|3|-4|5|6|7|1J|8|@]|9|@]|A|$]]|$1|11|3|N|5|6|7|1K|8|@]|9|@]|A|$]]|$1|12|3|13|5|6|7|1L|8|@]|9|@]|A|$]]|$1|14|3|-4|5|6|7|1M|8|@]|9|@]|A|$]]]|15|$]]

As a general development language? Well, it depends on your industry, but I've worked in two different industries and there is always plenty of C++ work:

<ol>
<li>Telecoms

<ul>
<li>Embedded devices often use C and C++ for core services</li>
<li>Network equipment, often very complex, heavily utilize C++</li>
<li>Software apps that work with hardware will often be written in C++</li>
</ul></li>
<li>Financial Services

<ul>
<li>Trade Execution systems are often in C++. You cannot have your garbage collection kick in when you're executing an order for a customer.</li>
<li>Algorithmic and high-frequency trading systems are usually in C++</li>
<li>General trading systems that do not have strict speed requirements seem to be in C++ and Java, with C# starting to show up as well.</li>
<li>Administrative applications tends to be written in Java, VB, or C# these days</li>
<li>Recently there is a trend towards functional languages for quantitative analysis, so F# and Haskell are starting to appear, and SAS and Matlab are always common too</li>
</ul></li>
</ol>

I read somewhere that Nyse/Euronext uses Java, but that they disable the garbage collector and run on servers with insane amounts of memory.

blocks|key|1468557|text|不同的语言在不同的领域普遍存在。有趣的是，您认为将其降级到嵌入式系统可能变得不重要，而事实上，大多数软件开发都是在嵌入式系统中进行的；至少在项目/产品的数量方面是如此。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1468558|测量方法有很多种，其中有许多是在这里介绍的：http://langpop.com/。证据表明，C%2B%2B仍然很重要。|offset|length|1468559|entityMap|0|LINK|mutability|MUTABLE|url|http://langpop.com/^0|0|M|J|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@]|9|@$D|P|E|Q|1|R]]|A|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|A|$]]]|G|$H|$5|I|J|K|A|$L|M]]]]

Different languages are prevalent in different domains. It is interesting that you think it might be rendered unimportant by being relegated to embedded systems when in fact that is where most software development occurs; at least in terms of number of projects/products.

There are many ways of measuring, and a number of them are presented here: <a href="http://langpop.com/" rel="nofollow noreferrer">http://langpop.com/</a>. The evidence suggests that C++ remains important.

blocks|key|2992473|text|更多的时候，我们在炒作周期中迷失了方向。首先是Java，然后是PHP，现在是Python。但事实上，通用桌面应用程序的开发仍然需要使用C/Cocoa(+mac+)、GTK/QT+(+Linux+)、MFC+(+Windows+)等库。它们都是基于C/C%2B%2B的。为这些平台编写的大多数应用程序也是如此。因此，将C%2B%2B称为嵌入是不对的，尽管是的，它现在被广泛使用，不像以前它仅仅是程序集或最大程度的C。在我看来，如果您想要一个具有良好外观的GUI的高性能应用程序，仍然需要用C/C%2B%2B来完成。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2992474|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

More often than not, we get lost in the hype cycle. First there was Java, then came PHP, and currently is Python. But the fact of the matter is development of general purpose desktop application still requires use of libraries like Carbon/Cocoa for mac, GTK/QT for Linux, MFC for Windows. All of which are C/C++ based. So are most applications written for these platforms. So calling C++ as being relegated to embedded is not right, although yeah its being extensively used now, unlike earlier when it was just assembly or C at the max. In my opinion, if you want a high performance application with great looking GUI, it still has to be done in C/C++.

blocks|key|1265264|text|我不确定游戏行业是否属于“通用开发”范畴，但如果你想开发任何你想要在多个控制台上工作的东西，C%2B%2B才是午餐。虽然许多游戏和3D库都有其他语言的扩展，但它们都有C/C%2B%2B的扩展。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1265265|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

I'm not sure whether the gaming industry falls under "general purpose development", but if you want to develop anything that you intend to get working on more than a single console, C++ is what's for lunch. While many gaming and 3D libraries have extensions for other languages, they -all- have extensions for C/C++.

blocks|key|1263643|text|C%2B%2B仍然在您想要的最佳性能的任何地方使用。它的主要优点是你可以用字面上的任何东西。除了其他人所说的，你也可以用它来为网站供电，例如OkCupid几乎完全使用它。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1263644|正如最近Facebook的Hip+Hop所显示的那样，最终，如果你能负担得起的话。你有一个庞大而有能力的团队)你总是可以利用它获得一些东西。那么，这也是一个规模问题，而不是工业。|1263645|entityMap|0|LINK|mutability|MUTABLE|url|http://okcupid.com/faq^0|1U|7|0|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]]|C|$]]|$1|D|3|E|5|6|7|R|8|@]|9|@]|C|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]]]

C++ is still used everywhere you want the best performance. Its major advantage is that you can use literally for everything. In addition to what other people have said you can also use it to power websites, for instance <a href="http://okcupid.com/faq" rel="nofollow noreferrer">OkCupid</a> uses it almost exclusively.

As the recent Hip Hop of Facebook shows, in the end, if you can afford it (ie. you have a large and competent team) you can always gains something using it. Then it also a matter of scale, other than industry.

blocks|key|1468631|text|如果我看看我在笔记本电脑上安装的应用程序，我会看到很多C/C%2B%2B和很少(如果有的话)托管应用程序。举个例子？采购产品谷歌Chrome，火狐，iTunes，uTorrent，Spotify，Picasa，谷歌地球，OpenOffice，Notepad%2B%2B，IrfanView这张单子还在不停地写。我以编写桌面应用程序为生，这些应用程序安装在全球数千台PC上，而C%2B%2B仍然是我选择的语言。缺乏依赖(WTL是您的朋友)是一个庞大的加上IMHO+(和我的客户，我应该补充！)不过，作为一名经验丰富的开发人员，我认为我在C%2B%2B方面有足够的效率，但我不能代表所有人。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1468632|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

If I take a look at the applications I have installed on the laptop I am writing this message on, I see a lot of C/C++ and few (if any) managed apps. Examples? Google Chrome, Firefox, iTunes, uTorrent, Spotify, Picasa, Google Earth, OpenOffice, Notepad++, IrfanView... this list goes on and on. I write desktop applications for a living, which are installed on thousands of PCs worldwide, and C++ is still my language of choice. The lack of dependencies (WTL is your friend) is a massive plus IMHO (and that of my customers I should add!.) YMMV though - as a seasoned developer I think I am productive enough in C++, but I can't speak for everybody.

<blockquote>
 Possible Duplicate: 
 <a href="https://stackoverflow.com/questions/537595/which-sector-of-software-industry-uses-c">Which sector of software industry uses C++?</a> 
</blockquote>



C++ was for many years the holy grail of mission critical high performance development. However, it seems that for the past 10 years like much of the development world has moved to Java and C#. My quesiton is this, is C++ effectively relegated to embedded systems, OS, Browser and other special purpose development? Should I let this skillset go the way of the VB 6 and other skillsets that are no longer showing the same level of demand and value in the market? I love C++ and would love to update my knowledge in it, but I wouldn't even know where to begin to try to apply it to common business problems today.

Regards.

Is C++ still actively used for general purpose development?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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可能重复：多年来，C++一直是任务关键高性能发展的圣杯。然而，在过去的10年里，像许多开发领域一样，似乎已经转向了Java和C#。我的问题是，C++是否被有效地降级为嵌入式系统、操作系统、浏览器等特殊用途的开发？我是否应该让这套技能走上VB 6和其他不再显示市场需求和价值水平的技能的道路？我喜欢C++，并且很想在它中更...

问C++是否仍被积极用于通用开发？
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