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What does “fragment” mean in ANTLR?
...e a concrete example.
Goal: identify [ABC]+, [DEF]+, [GHI]+ tokens
input.txt
ABBCCCDDDDEEEEE ABCDE
FFGGHHIIJJKK FGHIJK
ABCDEFGHIJKL
Main.py
import sys
from antlr4 import *
from AlphabetLexer import AlphabetLexer
from AlphabetParser import AlphabetParser
from AlphabetListener import AlphabetLi...
Node.js check if path is file or directory
...re('fs').promises;
(async() => {
const stat = await fs.lstat('test.txt');
console.log(stat.isFile());
})().catch(console.error)
Any Node.Js version
Here's how you would detect if a path is a file or a directory asynchronously, which is the recommended approach in node.
using fs.lst...
Save Screen (program) output to a file
...
For the Mac terminal:
script -a -t 0 out.txt screen /dev/ttyUSB0 115200
Details
script: A built-in application to "make a typescript of terminal session"
-a: Append to output file
-t 0: Time between writing to output file is 0 seconds, so out.txt is updated for ...
Adding a new array element to a JSON object
...
var Str_txt = '{"theTeam":[{"teamId":"1","status":"pending"},{"teamId":"2","status":"member"},{"teamId":"3","status":"member"}]}';
If you want to add at last position then use this:
var parse_obj = JSON.parse(Str_txt);
parse_obj['...
Automatically creating directories with file output [duplicate]
...this. Try the following:
import os
import errno
filename = "/foo/bar/baz.txt"
if not os.path.exists(os.path.dirname(filename)):
try:
os.makedirs(os.path.dirname(filename))
except OSError as exc: # Guard against race condition
if exc.errno != errno.EEXIST:
raise
...
CFileDialog用法及参数解释 - C/C++ - 清泛网 - 专注C/C++及内核技术
...得到完整的文件名，包括目录名和扩展名如：c:\ test\test1.txt
CString CFileDialog::GetFileName( ) 得到完整的文件名，包括扩展名如：test1.txt
CString CFileDialog::GetFileExt( ) 得到完整的文件扩展名，如：txt
CString CFileDialog::GetFileTitle ( ) 得...
C# HTTP上传文件（客户端及服务器端） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...stedFile file = Request.Files[fileKey];
file.SaveAs("d:\\test_server.txt");
}
然后看看如何上传一个文件到服务器端：（建立一个WinForm测试上传本地文件）
System.Net.WebClient client = new System.Net.WebClient();
string url = "http://(服务端地址：端口...
Curses library not found. Please install appropriate package - 更多...
...library not found. Please install appropriate package,
remove CMakeCache.txt and rerun cmake.On Debian/Ubuntu, package name is libncurses5-dev, on Redhat and derivates it is ncurses-devel.
Call Stack (most recent call first):
cmake/readline.cmake:128 (FIND_CURSES)
cmake/readline.cmake:202 (...
采花大盗速成秘籍之YQL - 人工智能(AI) - 清泛IT论坛，有思想、有深度
...网站的服务器上留下类似如下内容的日志："GET /robots.txt HTTP/1.0" 200 .. "-" "Yahoo Pipes .."
"GET .. HTTP/1.0" 200 .. "-" "Mozilla .. (compatible; Yahoo Pipes ..) .."YQL抓取了robots.txt，可见它比较本分，网...
C# HTTP上传文件（客户端及服务器端） - .NET(C#) - 清泛IT论坛，有思想、有深度
...sp; file.SaveAs("d:\\test_server.txt");
}
然后看看如何上传一个文件到服务器端：（建立一个WinForm测试上传本地文件）
...