difference between declaration and definition in C++
The examples of declaration in C++: int i; int i=0; extern int i; int fun(); int fun(){ return 1;} class A; class A { int a; void fun(); }; The […]
on python indent
Python indent seems an easy syntax. If you use the same number of spaces/tabs(don’t mix spaces and tabs) for code lines in the same block, you’ll have no problem. That […]
how to login instagram programmatically
Since Instagram uses our privacy to make money, we’d better create some bots to fuck this bitch. To write an instagram bot, the first issue we’ll encounter is how to […]
login with python requests
requests library is a powerful python package for http. You can use it to fetch web pages, and do anything as the http verbs can do. To use requests, install […]
python import syntax
import can be used independently: import module import package It can be used to import a module, a package, or . concated module/packages. import package.module import package1.package2 import package1.package2.module So […]
JSON in javascript, python, and php
I often got confused about JSON and JSON string. JSON is the code you write in your javascript script to represent an object, so the code is called JavaScript Object […]
How to uncompress gzip-encoded content in php?
If you use php curl to scrape web page, the retrieved content may be in compressed format,i.e., the Content-Encoding http response header may have the value “gzip”. How to uncompress […]
default http headers generated by php curl
We know that we can customize http headers for php curl using CURLOPT_HTTPHEADER. But if we do not add additional headers, what http headers does curl send by default? In […]
How to log curl request?
I encountered a strange problem of php curl. I use curl to fetch a remote web page as follows: $curl = curl_init(); curl_setopt($curl, CURLOPT_URL, “https://myprogrammingnotes.com”); curl_setopt($curl, CURLOPT_HEADER,1); curl_setopt($curl, CURLOPT_FRESH_CONNECT,1); curl_setopt($curl, […]
Does php curl issue an http GET request or an POST request?
php curl is often used to fetch remote content. Sure you can use file_get_content to fetch remote web pages. But curl has more options to choose. We know that http […]