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Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...导致加载和执行缓慢,所以我们就来看看Lint这个工具是如何发现优化这些问题的(当然了,Lint实际的功能是非常强大的,我们开发中也是经常使用它来发现一些问题的,这里主要有点针对UI性能的说明了,其他的雷同)。 在And...
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What is the best place for storing uploaded images, SQL database or disk file system? [closed]

... I have recently created a PHP/MySQL app which stores PDFs/Word files in a MySQL table (as big as 40MB per file so far). Pros: Uploaded files are replicated to backup server along with everything else, no separate backup strategy is needed (peace of min...
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实战做项目如何选择开源许可协议(二)- 开放代码 - 开源 & Github - 清泛...

实战做项目如何选择开源许可协议(二)- 开放代码opensource_code通过《实战做项目如何选择开源许可协议(一)-了解协议》大概知道了有哪些开源协议和各个协议的作用和区别。我们准备把代码开放出去时,需...通过《实战做项...
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糯米推全景地图 让竞争对手们如何接招? - 资讯 - 清泛网 - 专注C/C++及内核技术

糯米推全景地图 让竞争对手们如何接招?【糯米推全景地图 让竞争对手们如何接招?】当然,新美大、腾讯、阿里可以效仿,可以克隆,可以尽快迎头赶上。其实,我很看好阿里能够迎头赶上,但阿里会如我所愿吗?当然,新...
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What columns generally make good indexes?

...er to use index */ Since "buyer_id" is referenced in the SELECT portion, MySQL will not use it to limit the chosen rows. Hence, there is no great need to index it. The below is another example little different from the above one: SELECT buyers.buyer_id, /* no need to index */ country.name /*...
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技术人员如何去面试? - 杂谈 - 清泛网 - 专注C/C++及内核技术

技术人员如何去面试?本文探讨的主要是如何选择公司、如何面试、如何谈薪水等实际的问题,可能描述会有偏颇,仅供参考。一、为什么跳槽和选择公司1.为什么跳槽虽...本文探讨的主要是如何选择公司、如何面试、如何谈薪...
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Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=

Error message on MySql: 7 Answers 7 ...
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phpmyadmin logs out after 1440 secs

In my local development Ubuntu box I use MySQL and phpmyadmin to work with the database. 24 Answers ...
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Kill a postgresql session/connection

...g the database. def drop_database(config) case config['adapter'] when /mysql/ ActiveRecord::Base.establish_connection(config) ActiveRecord::Base.connection.drop_database config['database'] when /sqlite/ require 'pathname' path = Pathname.new(config['database']) file = path....
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技术人员如何创业《四》- 打造超强执行力团队 - 资讯 - 清泛网 - 专注C/C++...

技术人员如何创业《四》- 打造超强执行力团队好的团队是创业公司成功的必要因素之一。差劲的团队会导致整个团队没有战斗力,互相算计,只看到自己的利益,永远做不成一个好的产品。优秀 好的团队是创业公司成功的必...