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创业测试:50个迹象表明你真该创业了 - 资讯 - 清泛网 - 专注C/C++及内核技术

...个很吓人的过程,需要大量辛勤的劳作。但是是否创业这问题日夜都在困扰着你。至于原因,或许你仅仅是不满足于自己的现状;或许你是渴望开一家属于自己的店铺或是咨询公司;再或者只是你觉得你的生活需要一个显著的变化...
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搭建高可用mongodb集群(二)—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...

...搭建高可用MongoDB集群(一)——配置MongoDB》提到了几个问题还没有解决。主节点挂了能否自动切换连接?目前需要手工切换。 在上一篇文章《搭建高可用MongoDB集群(一)——配置MongoDB》 提到了几个问题还没有解决。 主节...
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创业 比“直男癌”更可怕的是“技术癌” - 资讯 - 清泛网 - 专注C/C++及内核技术

...方案成本过高,则实用性大大降低,仍然无法真正地解决问题。更有甚者,明明市场上已有采用通用技术的、低成本的解决方案,却仅仅因为对技术的痴迷而生搬硬套地非要用高科技、高大上的手段去替代现有方案,却无视其带...
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App Inventor 2开发计步器与定位器 - App Inventor 2 中文网 - 清泛IT论坛,有思想、有深度

...能。   2.主题:编写“健身宝”手机应用程序   3.问题:   (1)如何获取走路步数、距离?   (2)如何计算走路时间?   (3)如何获得当前位置?   (4)如何存储信息?   4.规划:   (1)利用pedome...
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How can I parse a JSON file with PHP? [duplicate]

...f an object. And with that array, you can do whatever you want, like loops etc. share | improve this answer | follow | ...
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Dynamically generating a QR code with PHP [closed]

...he Google API?. I mean limitations as: amount of requests in a given time, etc. – Lobo Sep 27 '12 at 15:11 11 ...
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Path of assets in CSS files in Symfony 2

I have a CSS file with some paths in it (for images, fonts, etc.. url(..) ). 6 Answers ...
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PHP memory profiling

...libjudydebian1 sudo pecl install memprof echo "extension=memprof.so" > /etc/php5/mods-available/memprof.ini sudo php5enmod memprof service apache2 restart And then in my code: <?php memprof_enable(); // do your stuff memprof_dump_callgrind(fopen("/tmp/callgrind.out", "w")); Finally open t...
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The character encoding of the HTML document was not declared

...ly, because it isn't valid HTML (i.e. it isn't contained in an 'HTML' tag, etc.). Your insert.php needs to output the necessary HTML, and insert the form data in there somewhere. For example: <?php $title = $_POST["title"]; $price = $_POST["price"]; echo '<html xmlns="http://www....
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Returning JSON from PHP to JavaScript?

...d then print it, assing it to a variable for later use, save it to a file, etc... You can read more about return in PHP: Returning values. Also you can (and should!) check for what each function you don't know returns, see our example json_encode() it states Returns a JSON encoded string on success ...