A basic process Create a project, the project name is (cmd): firstblood: scrapy startproject firstblood Enter the project directory (cmd): cd :./firstblood Create a crawler file (cmd): scrapy gens
Author: Simo
C Remove punctuation from string
I have a string and I want to remove all punctuation marks from it. How can I do it? I did some research and found that people use the ispunct() function (I tried), but I can’t seem to get it to wo
Single-conditioned quota array write QWQ
1 #include
2 #define ll unsigned long long
3 #define LL long long
4 const int MOD=1e9+7;
5 const int maxn=2e5+5;
6 using namespace std;
7
8 int que[maxn],a[maxn];
9 void que_min(in
Objective-C – Can I use nsdecimalnumber anywhere in the expected NSNumber?
NSDecimalNumber is a subclass of NSNumber. As far as I know, it implements all NSNumber methods expected by NSNumber instances.
In view of this, is it possible? Provide NSDecimalNumbers to an
Function call loop is fast
I link some assemblies with some c to test the cost of function calls, using the following assembly and c source code (fasm and gcc respectively)
format ELF
public no_call as “_no_call”
publi
C # 001 initial class and namespace
In this section:
1, analysisHello,WorldProgram
1.1 Initial class(class)and namespace(namespace)
2, class library reference
2.1DLLquotation(Black box reference)
2.2Proj
C – How do I get the path to the Windows “Special Folder” for a specific user?
In the service, what is the best way to determine a special folder path (such as “My Documents”) for a specific user? SHGetFolderPath allows you to pass in a token, so I assume there are some ways
Reptral high performance related
High performance related How to achieve multiple tasks at the same time and high efficiency
The lowest efficiency is the most undesirable
import requests
urls = [
‘http://www.baidu
Reptile technology
1, scrapy (python crawler) 2, pyspider (python crawler) 3. Crawler4j (java stand-alone crawler) 4. WebMagic (java stand-alone crawler) 5. WebCollecto (java stand-alone crawler) 6, Heritrix (java crawler) )
How to pass the ASP.NET user and routing data to JavaScript?
I have some data about users and routes in ASP.NET.
How to use it in JavaScript?
Currently, I have the following lines in the _Layout.cshtml file:
@{ Html.RenderAction(“ContextScript”,