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What's the best way of scraping data from a website? [closed]
...y are already familiar with regexes. It's a huge mistake, use xpath or css selectors to navigate html and only use regular expressions to extract data from actual text inside an html node. This might already be obvious to you, it becomes obvious quickly if you try it but a lot of people waste a lot ...
How many socket connections can a web server handle?
...
The clients would randomly select a server. The chances of all randomly connecting to one is practically impossible. Although one could follow up with client count and the server could ask a client to move to another server if too overcrowded.
...
Why is IoC / DI not common in Python?
...s great use of inversion of control. For instance, the database server is selected by the configuration file, then the framework provides appropriate database wrapper instances to database clients.
The difference is that Python has first-class types. Data types, including classes, are themselves ...
Clone private git repo with dockerfile
...
The answer selected for this question is not a good answer anymore. It was correct in 2014 but for 2020 this is the correct answer.
– Bikal Basnet
Apr 8 at 19:05
...
Rails 4 multiple image or file upload using carrierwave
How can I upload multiple images from a file selection window using Rails 4 and CarrierWave? I have a post_controller and post_attachments model. How can I do this?
...
How to add a custom Ribbon tab using VBA?
...led the Custom UI Editor (CUIE), open it and then click on File | Open and select the relevant Excel File. Please ensure that the Excel File is closed before you open it via CUIE. I am using a brand new worksheet as an example.
Right click as shown in the image below and click on "Office 2007 Cust...
二进制数据专题：蓝牙、Socket、WebSocket、MQTT 收发字节 · App Inventor 2 中文网
...择器1.AfterPicking() {
if (蓝牙客户端1.Connect(列表选择器1.Selection)) {
计时器1.TimerEnabled = true
标签1.Text = "已连接；可以发送与接收"
} else {
标签1.Text = "连接失败；检查设备是否支持经典蓝牙串口"
}
}
when 按钮_断开.Click() ...
What are the underlying data structures used for Redis?
...m-ish unique users") or with replacement ("give me 7 cards, but after each selection, put the card back so it can potentially be sampled again").
For all possible operations on sets, see the sets docs.
Sorted Sets
Redis sorted sets are sets with a user-defined ordering.
For simplicity, you can think...
What to do Regular expression pattern doesn't match anywhere in string?
...\&_more.htm
input tag #1 at character 9955:
class => "searchSelect"
id => "twotabsearchtextbox"
name => "field-keywords"
size => "50"
style => "width:100%; background-color: #FFF;"
title => "Search for"
type => "text"
...
How to upload a file in Django? [closed]
...ss DocumentForm(forms.Form):
docfile = forms.FileField(
label='Select a file',
help_text='max. 42 megabytes'
)
4. View: myproject/myapp/views.py
A view where all the magic happens. Pay attention how request.FILES are handled. For me, it was really hard to spot the fact tha...