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如何抓住痛点做出让用户尖叫的产品 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，在用户第一的前提下，必须是从用户的角度去思考分析问题的。在做到这点的时候，最为忌讳的是产品经理以自我为中心，把自己当成了用户，把自己的需求当成是用户的需求。如果所做产品的目标用户人群涵盖了自己，那还...
CodeIgniter: How to get Controller, Action, URL information
...ass:
$this->uri->segment(n); // n=1 for controller, n=2 for method, etc
I've also been told that the following work, but am currently unable to test:
$this->router->fetch_class();
$this->router->fetch_method();
...
What's the best way of scraping data from a website? [closed]
...settle for "not too bad". I agree, it's doable in PHP (and FORTRAN, C, VB, etc.) but unless your problem is really really simple then it would be a much better idea to use the right tools for the job. And again, unless you have an incredibly simple problem to solve ... what does it matter that reg...
Which MySQL data type to use for storing boolean values
...eah, I'd go for either this or, for a CHAR(1) and store 'Y'/'N' or 'T'/'F' etc. depending upon the context. The advantage of using a small integer type is that you get maximum portability across RDBMS-es
– Roland Bouman
May 15 '10 at 22:42
...
Downloading a large file using curl
...URNTRANSFER has to be true in case you are getting file like pdf/csv/image etc.
You may find the further detail over here(correct url) Curl Doc
From that page:
curl_setopt($request, CURLOPT_TIMEOUT, 300); //set timeout to 5 mins
curl_setopt($request, CURLOPT_RETURNTRANSFER, true); // true to get...
上线当天App就崩了，才发问题是手机网络超时没处理——用App Inventor 2的W...
...价格API（返回JSON）
• 解析数据，在列表中展示结果
问题出在第二步——他完全没有考虑网络异常的情况。
技术方案
我帮老刘用Web组件重新设计了API调用流程，核心改动有四个：
改动一：设置超时时间
Web组件有个...
What is an ORM, how does it work, and how should I use one? [closed]
...bases but the most popular is relational ( you know tables, columns, pk fk etc eg Oracle MySQL, MS-SQL )
And finally the Mapping part is where you do a bridge between your objects and your tables.
In applications where you don't use a ORM framework you do this by hand. Using an ORM framework wou...
App装到手机上就"失忆"？关于Activity生命周期的7个硬核问答 - A...
...回来，页面白屏了；手机息屏再开，登录状态丢了。这些问题看似毫无关联，根源其实都指向同一个东西——Activity生命周期。
社区里关于这个话题的提问从来没断过。今天把出现频率最高的7个问题集中解答，读完你对App运...
微博为什么限制140字(附短信70字限制考) - 闲聊区 - 清泛IT社区，为创新赋能！
问题的提出申请过那么多的微博，数申请网易微博的动机最不纯，因为它的字数限制不是传说中的140字，而是163个字。当年觉得很可爱，于是就注册了，之后再也没登录过。今天在人人网转发状态，提示我超过140字了，突然就好...
做了个"外卖菜单选择器"App，才发现ListView和Spinner的区别这么...
...个组件就完事，结果在"用什么组件展示列表"这个问题上卡了整整两个小时——ListView还是Spinner？看着都差不多，实际用起来差别真不小。
需求分析
餐馆老板（也就是我妈）的要求：
• 菜品按分类展示，至少30道...