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<a class="article-title" href="/2020/04/28/pagexuanzangdashi/">影评-玄奘大师</a>

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<time datetime="2020-04-28T13:39:01.000Z" itemprop="datePublished"><i class="icon-calendar icon"></i>2020-04-28</time>

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<p>玄奘大师是一位有理想、有追求、意志坚定的实干家，是一个了不起的伟大的人，是一个脱离的低级趣味的人。当一个人为了理想奋而前行的时候，就不会有什么不可能，理想会指引着你前进的方向。即使有什么挫折，只要你对理想永不放弃，你还是在通向理想的道路上。而这种玄奘大师就是这种人，他拥有无穷的魅力，足以惊天地，泣鬼神的。玄奘精神也将继续流传下去。</p>

<p>影片的结尾引用了鲁迅的一句话，“我们这个民族，从来都有埋头苦干的人，有拼命硬干的人，有为民请命的人，有舍身求法的人，他们就是中华民族的脊梁。”，玄奘就是我们民族的脊梁，是指引我们通向远方的路标。</p>

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<a class="article-title" href="/2020/04/28/pagequanzhangongchegnshi/">任何人都可以胜任全栈开发？</a>

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<a href="/2020/04/28/pagequanzhangongchegnshi/" class="archive-article-date">

<time datetime="2020-04-28T13:33:46.000Z" itemprop="datePublished"><i class="icon-calendar icon"></i>2020-04-28</time>

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<p>最近，每当我谈论起全栈开发时，很多人都深表怀疑，他们说世界上并不存在全栈工程师，而且大多数开发人员只适合后端或前端的工作。</p>

<p>针对全栈开发的大多数批判都可以归结为以下两点：<br>有人可以同时成为前端和后端的专家，所以最好还是术业有专攻。<br>大多数人只适合前端或后端的工作。</p>

<p>然而，这些批判都未能切中全栈的要点。</p>

<h4 id="全栈指的不是代码，而是责任"><a href="#全栈指的不是代码，而是责任" class="headerlink" title="全栈指的不是代码，而是责任"></a>全栈指的不是代码，而是责任</h4><p>全栈指的不是你所熟悉的编程语言或掌握的技术，而是指你能够利用工具和相应的权限，克服所有困难，负责某项任务的始末。</p>

<p>将一个任务拆分成不同的职责，然后交给不同的人员处理，这中间会造成不必要的断层，此外还需要额外的协调，而且通常很难实现跨层的解决方案。</p>

<p>假设我们有一个非常简单的Web开发任务，需要后端开发人员提供新API，同时还有部分前端的开发工作，比如显示某些指标或活动的图表。</p>

<p>开发这类功能的时间表通常如下所示：</p>

<p>如果范围发生变化，或有关该任务的新技术出现了，那么就需要对原来的架构进行调整，这时两位开发人员会成为彼此的瓶颈——他们会牵制彼此的连续工作，会给彼此施压，而且在切换思路时也很痛苦，最终有可能在两位开发人员之间引起怨恨和冲突。</p>

<p>由于大多数工作本质上都是有顺序的（如上图所示，前端开发人员需要API），而且在前一个任务完成之前，后一个开发人员必须等待，或者想变通的方法（如上图所示，使用模拟API）。</p>

<p>最重要的是，很多时候某一层中遇到的难题可以在其他层简单地解决。而当开发人员只负责前端或后端时，通常他们不会考虑自己职责范围之外的解决方案。</p>

<h4 id="全栈开发的优点"><a href="#全栈开发的优点" class="headerlink" title="全栈开发的优点"></a>全栈开发的优点</h4><p>没有瓶颈：你不需要等待另外一个人即可连续工作。<br>更快的迭代：你可以随时修改API，并在客户端查看修改后的结果，然后通过修改UI来处理新的API，而且你可以连续推进这种迭代。<br>与利益相关者拉近距离：你可以利用应用程序的可视化部分，为利益相关者展示你的工作进度，并与他们进行交流，这有助于拉近你与利益相关者之间的距离。<br>所有权：直接与各方人士（利益相关者、质量保证、产品、管理）联系，更为顺畅地沟通和管理，肩负起一定的责任。</p>

<h4 id="任何人都可以胜任全栈开发"><a href="#任何人都可以胜任全栈开发" class="headerlink" title="任何人都可以胜任全栈开发"></a>任何人都可以胜任全栈开发</h4><p>为了回应“并非每个人都可以胜任全栈开发”的批评，我想指出，如今的前端放到几年前就是后端，特别是最困难的部分—— 路由、状态管理、缓存、甚至业务逻辑现在常常放到前端完成。 </p>

<p>大多数前端问题不需要详细了解语言的设计、UI性能或浏览器兼容性，通常只需添加几个div，然后修改一些CSS值（假设你的客户端是Web的话）。</p>

<p>同理，大多数后端问题也不需要详细了解并发模型、字节码操作或ORM的内部机制，通常只需向数据库或API模型添加新字段。</p>

<p>成为一名全栈工程师并不意味着你需要成为掌握所有技术的专家，也不意味着你需要以一己之力承担起所有的工作。如果你需要在不太熟悉的领域开发某个功能，也并不意味着你不可以求助于他人。你应该向那些专注于该领域且经验丰富的专家寻求指导和帮助。</p>

<h4 id="全栈开发人员也可以专攻某项技术"><a href="#全栈开发人员也可以专攻某项技术" class="headerlink" title="全栈开发人员也可以专攻某项技术"></a>全栈开发人员也可以专攻某项技术</h4><p>成为一名全栈开发并不意味着你不可以专攻某项技术，或成为某个方面的专家。</p>

<p>有人说你无法同时掌握前端和后端，那么这是否暗示了如果你潜心研究某一层，就可以深入掌握这方面的技术？这很荒谬，前端和后端也分很多区域，任何人都不可能成为全面掌握了某一层的专家。</p>

<p>你可以成为一名全栈开发，同时还可以成为图形库的专家。</p>

<p>你可以成为一名全栈开发，同时还可以成为ORM的专家。</p>

<p>就像其他开发人员一样，全栈开发最终会深入某些领域的专业开发知识，因此将这些领域中较为复杂的任务分配给专门研究这些领域的开发人员是很自然的事情。 </p>

<p>不要按照前后端划分开发人员。</p>

<h4 id="全栈不仅仅是后端和前端"><a href="#全栈不仅仅是后端和前端" class="headerlink" title="全栈不仅仅是后端和前端"></a>全栈不仅仅是后端和前端</h4><p>全栈不仅仅是后端和前端，全栈代表了一种工作方式，采用这种方式的开发人员全权负责自己的代码，他们能够克服所有的困难，完成自己的任务。</p>

<p>相同的工作方式适用于整个技术栈，例如后端开发人员不必等待DBA批准数据库上的SQL脚本，也不必等待运维将新功能添加到CI。而在进行前端工作时，你也不必等待UI设计师为你修图。</p>

<h4 id="全栈开发普遍适用"><a href="#全栈开发普遍适用" class="headerlink" title="全栈开发普遍适用"></a>全栈开发普遍适用</h4><p>在软件开发的世界里，没有任何流程是灵丹妙药。多年来，人们总是按照不同的层次划分开发，这其中有一定的价值。</p>

<p>如果你的开发过程涉及大量规划，而且你的需求规格绝不会更改，那么就可以让不同的人承担不同的开发层。</p>

<p>有些行业有严格的法规或认证流程，所以很难在所有团队中实施全栈开发。</p>

<p>此外，也不一定要在整个组织内实施全栈开发，但是，如果你采用了敏捷流程进行Web开发，那么采用面向全栈开发的流程会更有效。</p>

<p>这篇文章很可能会引发很多争议，因此我在此先声明一些事项：<br>虽然本文中的很多例子都侧重于前端，但是全栈开发的好处并不仅限于为前端工作减压。后端开发也会遇到同样的问题，而且后端也可以受益于全栈开发。<br>这篇文章可能会给你一种错觉：我们永远不应该分割任务。然而，这并非我的本意，你应该合理地分割任务，但是应该按照功能分割，而不是按层分割。</p>

<p>转自腾讯大课堂<br>原文 <a href="https://medium.com/@abardavid/what-it-means-to-be-a-full-stack-developer-7368c9c6a5c8" target="_blank" rel="noopener">https://medium.com/@abardavid/what-it-means-to-be-a-full-stack-developer-7368c9c6a5c8</a></p>

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<a class="article-title" href="/2020/04/28/pagegaoxiaobiancheng/">程序员如何才能高效编程</a>

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<h4 id="1-学习如何阅读别人的代码"><a href="#1-学习如何阅读别人的代码" class="headerlink" title="1. 学习如何阅读别人的代码"></a>1. 学习如何阅读别人的代码</h4><p>你总是会觉得，除你以外的每个人编写的代码都很糟糕。<br>因此，我们认为能够理解别人的代码是一项拥有诸多优势的伟大技能。<br>无论之前的工程师编写的代码有多么凌乱或考虑不周，你仍然需要读完这些代码。毕竟，这是你的工作。即便有时之前的那位工程师就是一年前的你。<br>这项技能有两个好处。首先，能够阅读别人的代码是学习设计上的反面教材的绝好机会。在浏览别人的代码时，你可以了解哪些代码有用，哪些无效。更重要的是，你可以了解到对于其他工程师而言，哪些代码容易理解，哪些代码不容易理解。<br>你需要确保尽可能多地阅读别人的代码。这样，其他工程师才能知道你是一名高级工程师。<br>你需要确保你提出的问题涉及重要代码的可维护性，并给出有用的评论。这可以彰显你在编程领域的主导地位。<br>你的代码应该设计得井井有条，因此不需要任何文档。实际上，如果你是一名优秀的程序员，那么你根本不需要给你的代码写任何文档。这只是浪费时间，你需要把时间花在编程和参加会议上。<br>能够阅读别人凌乱的代码，也方便你在有需要的时候修改代码。有时，你可以利用这种机会补足自己缺乏的经验。例如，我们的脚本曾经从Powershell换成了Python，然后又换成了Perl。我们的Perl经验非常有限，但是我们仍然有足够的背景信息来弄清楚实际的状况，并进行必要的改动。<br>这一切都因为我们了解所有的代码，以及对Perl脚本的理解。<br>阅读他人的代码可以提高你自身的价值，因为你甚至能轻易理解那些过度设计的系统。</p>

<h4 id="2-感知有问题的项目"><a href="#2-感知有问题的项目" class="headerlink" title="2. 感知有问题的项目"></a>2. 感知有问题的项目</h4><p>你需要花时间学习的技术非常多。我们认为值得了解的技能之一，就是了解哪些项目不值得做，哪些项目陷入了步履维艰。<br>在大公司中，无法完成或不具备影响力的项目往往很多。有些项目可能没有任何业务意义（至少对你而言没有意义），有些项目则有管理不善的问题。这并不是说如果你不赞同项目，就应该断了这种想法。但是，如果利益相关者无法正确解释最终的成果，那么该项目可能就不值得做。<br>此外，某些项目可能过于关注技术而不是解决方案，因此从一开始就不会产生太大影响。在了解到底什么是有问题的项目之前，首先你需要经历很多有问题的项目。因此，无需花太多时间思考每个项目是否有问题。<br>等到你的经验积累到一定程度，你就会拥有良好的直觉。</p>

<h4 id="3-避免会议"><a href="#3-避免会议" class="headerlink" title="3. 避免会议"></a>3. 避免会议</h4><p>无论你是软件工程师还是数据科学家，开会似乎都无可避免，因为你需要与项目经理、最终用户和客户达成共识。然而，会议也有可能突然占据你的所有工作时间，这就是为什么学会如何避免不必要的会议如此重要。<br>也许我应该使用一个更恰当的词：管理（而不是避免）。你的目标是花费在会议上的时间能够推动决策并帮助团队前进。<br>最常见的方法是，每天设定两个小时为“不开会”时段——在你的日历上设定为定期会议。通常，大多数人会在他们合适的时间段设定这样的定期会议，并利用这段时间追赶开发工作的进度。<br>为了保证完成工作，避免开会的另一种方法是早点去公司。就个人而言，我们喜欢早点去公司，因为那时办公室比较安静。大多数早到公司的人都跟你一样，只想着早点完成工作，所以没人会在这时候打扰你。<br>这对单独工作的人来说很重要，因为我们的工作需要我们集中精力，而且不需要与其他人交谈。有时候，你可能想与他人一起合作解决问题。但在问题得到解决后，你需要回去写代码。只有在个人安静的小角落，你的大脑才能高速运转，不断推进自己的工作。如果你不断停下来，那么就很难重新开始继续向前。</p>

<h4 id="4-Git"><a href="#4-Git" class="headerlink" title="4. Git"></a>4. Git</h4><p>有些计算机科学专业的学生从Git诞生之日就开始使用这个工具了。他们了解每个命令和参数，而且可以像专业人士一样玩转一切。也有人在第一份工作中才开始接触GitHub。对他们来说，Github充满了迷惑的命令和进程。他们无法确定自己究竟在做什么。<br>无论你们公司使用哪种代码库系统，但凡能够正确使用就很好，如果使用不当则会对系统带来阻碍。一个简单的push或commit并不需要花费很多时间，但有人会被诸多的分支和分叉搞得晕头转向。另外，如果你经常忘记pull最新的代码，那么将来还需要处理合并的冲突——这一点都不好玩。<br>如果你需要一份Git命令备忘单，那么就去找一份吧。这会减轻你的工作负担。</p>

<h4 id="5-编写简单又便于维护的代码"><a href="#5-编写简单又便于维护的代码" class="headerlink" title="5. 编写简单又便于维护的代码"></a>5. 编写简单又便于维护的代码</h4><p>年轻工程师往往会设法在一个解决方案中融合他们所知道的所有实现。如果你了解面向对象的编程、数据结构、设计模式和新技术，那么就可以在编写代码的时候能够用到所有这些技术，这只是一种美好的心愿。这种做法会创建不必要的复杂性，因为这很容易在过去使用的解决方案或设计模式的基础上增加难度。</p>

<p>你需要平衡复杂的设计概念和简单的代码。设计模式和面向对象的设计应该可以通过简单的代码实现复杂的模式。然而，随着越来越多的流程被抽象化、封装和黑盒化，调试起来也会越来越困难。</p>

<h4 id="6-学会说不，划分优先级"><a href="#6-学会说不，划分优先级" class="headerlink" title="6. 学会说不，划分优先级"></a>6. 学会说不，划分优先级</h4><p>无论你是财务分析师还是软件工程师，你都需要学会说不，然后还需要划分工作的优先级。尤其是技术人员，很多人都需要依赖他们。如果你是数据工程师，那么可能还需要承担很多工作，而不仅仅是开发数据流水线。有些团队需要数据提取，有些团队需要仪表板，还有团队需要为数据科学家提供新的流水线。</p>

<p>划分工作的优先级以及说“不”实际上是两种不同的技能，但是二者的关系紧密相关。划分工作的优先级意味着你的时间应该花费在对公司有重大影响的工作上。而有时候说不，也意味着避免处理应该由其他团队处理的工作。对于所有岗位来说，这二者常常有连带关系。</p>

<p>学会说不非常难，因为你无法拒绝别人向你提出的请求。尤其是如果你是刚毕业的大学生。你不希望别人对你感到失望，而且你希望能承担起更多工作。</p>

<p>在大公司中，工作总是无穷无尽。关键在于你如何完成这些工作。</p>

<p>很多技能在面试中不会问及，甚至大学也不会教。通常，这是因为环境的限制，而不是老师不想让学生接触现实世界的问题。</p>

<h4 id="7-操作设计思维"><a href="#7-操作设计思维" class="headerlink" title="7. 操作设计思维"></a>7. 操作设计思维</h4><p>无论是在大学的学习中，还是在面试中，有一个能力很难考察，那就是仔细考虑最终用户可能会以何种错误的方式使用你的软件。我们通常称其为操作场景的思考。</p>

<p>但是，这只是一种礼貌的说法，其实说到底还是如何让傻瓜也能理解你的代码。</p>

<p>例如，由于许多编程都是维护工作，因此通常意味着更改与其他代码高度纠缠的代码。即使是简单的更改，你也需要彻查对象、方法和/或API调用的所有可能性。否则，就很容意外破坏你未曾意识到的连接模块。即使你只是修改了数据库中的数据类型。</p>

<p>另外，你需要在开发之前仔细考虑边缘情况，并仔细考虑整个高层设计。<br>对于开发新模块或微服务等更复杂的情况，你就更加需要花一些时间仔细考虑所构建功能的操作场景。考虑一下未来的用户将如何使用你的新模块，他们可能会采用哪些不正确的方式，可能需要哪些参数，而将来其他程序员可能会通过哪些不同的方式使用你的代码。</p>

<p>编程只是程序员工作的一部分。创建能够在你的计算机上正常运行的软件很容易。然而，部署代码的时候可能会出现很多问题。在投入生产后，又很难说用户会如何使用你的软件，而其他程序员又会如何修改你的代码。经过五年后，将来的程序员可能会因为你如今编写的代码的局限性而感到沮丧。</p>

<p>原文：<br><a href="https://mp.weixin.qq.com/s/ZIVMEuaeWIWGfoVUcQfkng" target="_blank" rel="noopener">https://mp.weixin.qq.com/s/ZIVMEuaeWIWGfoVUcQfkng</a><br><a href="https://dev.to/seattledataguy/7-habits-of-highly-effective-programmers-inspired-by-an-ex-google-techlead-humor-4b4k" target="_blank" rel="noopener">https://dev.to/seattledataguy/7-habits-of-highly-effective-programmers-inspired-by-an-ex-google-techlead-humor-4b4k</a></p>

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<a class="article-title" href="/2020/04/28/pagechengxuyuandesandameid/">程序员的三大美德</a>

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<p>Larry Wall 认为程序员该有的三大美德：懒惰，急切，傲慢。</p>

<p>惰使，得你花费极大努力来减少总体能量开销的品质。懒惰使你去写能让别人觉得有用、并减少繁杂工作的程序；你也会用文档描述你的程序，免得你不得不去回答别人的问题。因此，这是程序员的第一大美德。</p>

<p>急切，当计算机不能满足你的需求时你所感到的愤怒。这使得你写的程序不仅满足自己的需求，还能预期其他需求。至少努力去这么做。因此，这是程序员的第二大美德。</p>

<p>傲慢老天都受不了你的极度骄傲。这种品质使得你写程序（和维护程序）时不允许别人有机会来说三道四。因此这是程序员的第三大美德。</p>

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<a class="article-title" href="/2020/04/28/pagewomenliang/">影评-我们俩</a>

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<p>冬天，在某个四合院孤孤单单生活的老太迎来一个来北京求学的外地女孩。女孩想租老太离学校很近的房子，但嫌老太要价太高，老太一脸爱住不住的表情坚决不降价，女孩无奈租了下来，两人开始磕磕绊绊争吵不休的主客生活。无论是安装电话、缴纳电话费，还是点电炉、借用电冰箱，女孩都觉得老太在处处算计她，心里十分委屈，老太看她，也是一百个不顺眼。但日久生情，两人渐渐成了彼此的依靠。日子溜过春天、夏天，老太眼见女孩生活尤其恋爱中的喜怒哀乐，她晚年的孤独因为有女孩的陪伴冲淡了不少。秋天来临，女孩找到更好的住处，要离开老太，老太的精神一下子垮了下来。</p>

<p>前面老太太的孙子偷偷给贵州一个朋友打电话花了老太太300多块钱，因为老太太和女孩起了矛盾，最后老太太孙子娶了一个贵州女孩…<br>让老太太的女儿无法理解的是，老太太对女孩比亲人还亲，其实这很正常，中国有句古话叫“远亲不如近邻”，一个朝夕相处的邻居远比偶尔来一次的亲人要可亲得多。所有碰见了个好邻居真是幸运的事…<br>“长的就像学计算机的，不和学计算机的谈恋爱”。“沉不住气，憋不住屁”。</p>

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