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做程序猿的老婆应该注意的一些事情 - 杂谈 - 清泛网 - 专注C/C++及内核技术

...病、脂肪肝、腱鞘炎。 十,不要太担心程序猿在男女问题方面出问题 相信他们更愿意娶个电脑。如果真的出了问题,可能他本质不是程序猿,而是产品或者设计狮。 十一,不要让亲戚朋友们找程序猿买电脑攒电脑...
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Python + Django page redirect

... patterns('', (r'^one/$', redirect_to, {'url': '/another/'}), #etc... ) There is more in the generic views documentation. Credit - Carles Barrobés. Update #2: Django 1.3+ In Django 1.5 redirect_to no longer exists and has been replaced by RedirectView. Credit to Yonatan from django...
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node.js hash string?

...t the issue with : sha256("\xac"), "\xd1", "\xb9", "\xe2", "\xbb", "\x93", etc... Other languages (like PHP, Python, Perl...) and my solution with .update(data, "binary") : sha1("\xac") //39527c59247a39d18ad48b9947ea738396a3bc47 Nodejs by default (without binary) : sha1("\xac") //f50eb35d94f1...
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For..In loops in JavaScript - key value pairs

...rget is array you'll get a lot of methods alerted, e.g. indexOf, push, pop,etc.) share | improve this answer | follow | ...
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再说WCF Data Contract KnownTypeAttribute - 更多技术 - 清泛网移动版 - 专注C/C++及内核技术

...列化器去寻找未知对象的映射的途径。在Remoting中这样的问题不会存在,因为Remoting实际上是通过将一个类型传递给双方来进行类型匹配的。 那么KnowTypeAttribute到底用在什么地方呢?上边说了,当前类的未知类型。那什么又是当...
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“Variable” variables in Javascript?

... array could be defined automatically via an input, database query, event, etc. elements.forEach( (element) => { elementIds[element] = document.getElementById(element); }); This example declares variable variables (keys in elementIds) based on the ID of each element,...
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MySQL vs MongoDB 1000 reads

... to perform: One index lookup on the collection (assuming the entity is fetched by id) Retrieve the contents of one database page (the actual binary json document) So a b-tree lookup, and a binary page read. Log(n) + 1 IOs. If the indexes can reside entirely in memory, then 1 IO. In MySQL with ...
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ros 基本调试 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...系统得到默认的调试输出很容易,但是这些输出对于定位问题尤其是bugs没有太大作用。 本文旨在告诉读者如何生成有用的调试信息,通过这些信息可以直接判断出操作系统的运行状态。 几种调试方法 调试ros的方法有很多,...
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Shortcut to comment out a block of code with sublime text

... Ctrl-/ will insert // style commenting, for javascript, etc Ctrl-/ will insert <!-- --> comments for HTML, Ctrl-/ will insert # comments for Ruby, ..etc But does not work perfectly on HTML <script> tags. HTML <script> ..blah.. </script> tags: Ctrl-/ twice...
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mysql blob大小配置介绍 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术

...种处理大数据对象的方法是把双刃剑,它有可能引发一些问题,如存储的二进制文件过大,会使数据库的性能下降。在数据库中存放体积较大的多媒体对象就是应用程序处理BLOB的典型例子。 mysql BLOB类型 MySQL中,BLOB是个类...