大约有 2,200 项符合查询结果（耗时：0.0132秒） [XML]
How to make connection to Postgres via Node.js
...e birth year: %d", row.birthday.getYear()); //dates are returned as javascript dates
console.log("Beatle height: %d' %d\"", Math.floor(row.height / 12), row.height % 12); //integers are returned as javascript ints
});
//fired after last row is emitted
query.on('end', function() {
client.end...
Is either GET or POST more secure than the other?
...ogs
Proxy servers are likely to log GET URLs in their entirety, without stripping the query string. POST request parameters are not normally logged. Cookies are unlikely to be logged in either case. (example)
This is a very weak argument in favour of POST. Firstly, un-encrypted traffic can be logged...
Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?
In multiple courses, books, and jobs, I have seen text fields defined as VARCHAR(255) as kind of the default for "shortish" text. Is there any good reason that a length of 255 is chosen so often, other than being a nice round number ? Is it a holdout from some time in the past when there was a go...
使用虚拟现实和App Inventor进行实验 · App Inventor 2 中文网
...时起，Google 就使用 Cardboard 和全景功能作为 VR 教学工具的基础，让学生可以虚拟游览国家、博物馆，甚至探索水下。结合适当的声音伴奏，这试图使虚拟游览尽可能接近现实。
以下是演示在智能手机上的显示方式，显示了...
How do I use pagination with Django class based generic ListViews?
..._data()
df = pd.DataFrame(list(self.model.objects.all().values()))
ipc = df.groupby('ip')['ip'].count().sort_values(ascending=False)
urlc = df.groupby('url')['url'].count().sort_values(ascending=False).to_dict()
ipc = tuple(ipc.to_dict().items())
urlc = tuple(urlc.items())
...
Can TCP and UDP sockets use the same port?
...ing connections on the original socket whilst simultaneously servicing multiple clients each of which will be triggering receive events on their own sockets.
share
|
improve this answer
|
...
程序员用数据思维教你如何追女生 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...恋爱技能，进行自学
交给你一个项目，遇到不会的开发工具怎么办？学啊！我们程序员拥有超强的自学能力。
要充分利用知识管理，我们不会谈恋爱，但是我们可以收集资源自学啊！我们可以看书啊，我们可以听罗辑思维啊...
How to configure a HTTP proxy for svn
... @ErikMitchell: Create two versions of the config file and scripts which allow you to switch. Read your OSs docs how to hook into the network discovery mechanism and execute the correct script when your laptop notices where it is.
– Aaron Digulla
O...
What is SaaS, PaaS and IaaS? With examples
...sk image library, block and file-based storage, firewalls, load balancers, IP addresses, virtual local area networks etc.
Examples: Amazon EC2, Windows Azure, Rackspace, Google Compute Engine.
PaaS (Platform as a Service), as the name suggests, provides you computing platforms which typically incl...
记一次MongoDB性能问题 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...。
迁移工作需要导入旧数据。MongoDB本身有一个mongoimport工具可供使用，不过它只接受json、csv等格式的源文件，不适合我的需求，所以我没用，而是用PHP写了一个脚本，平稳运行了一段时间后，我发现数据导入的速度下降了，同...