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Parsing huge logfiles in Node.js - read in line-by-line
...since they processed the files not line by line (like 1 , 2 , 3 , 4 ..) or read the entire file to memory
The following solution can parse very large files, line by line using stream & pipe. For testing I used a 2.1 gb file with 17.000.000 records. Ram usage did not exceed 60 mb.
First, instal...
How to detect READ_COMMITTED_SNAPSHOT is enabled?
...ation level set via the T-SQL command ALTER DATABASE <database> SET READ_COMMITTED_SNAPSHOT ON;
3 Answers
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In Clojure 1.3, How to read and write a file
I'd like to know the "recommended" way of reading and writing a file in clojure 1.3 .
6 Answers
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Why does this Java program terminate despite that apparently it shouldn't (and didn't)?
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Obviously the write to currentPos doesn't happen-before the read of it, but I don't see how that can be the issue.
currentPos = new Point(currentPos.x+1, currentPos.y+1); does a few things, including writing default values to x and y (0) and then writing their initial values in the ...
Is there a way to check if a file is in use?
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Updated NOTE on this solution: Checking with FileAccess.ReadWrite will fail for Read-Only files so the solution has been modified to check with FileAccess.Read. While this solution works because trying to check with FileAccess.Read will fail if the file has a Write or Read lock on...
Reading large text files with streams in C#
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You can improve read speed by using a BufferedStream, like this:
using (FileStream fs = File.Open(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
using (BufferedStream bs = new BufferedStream(fs))
using (StreamReader sr = new St...
NGINX: upstream timed out (110: Connection timed out) while reading response header from upstream
...tream takes too much to answer the request and NGINX thinks the upstream already failed in processing the request, so it responds with an error.
Just include and increase proxy_read_timeout in location config block.
Same thing happened to me and I used 1 hour timeout for an internal app at work:
pr...
socket网络编程中read与recv区别 - C/C++ - 清泛网 - 专注C/C++及内核技术
socket网络编程中read与recv区别1、read 与 recv 区别read 原则：数据在不超过指定的长度的时候有多少读多少，没有数据则会一直等待。所以一般情况下：我们读取数据都...1、read 与 recv 区别
read 原则：
数据在不超过指定的长度的...
What's the fastest way to read a text file line-by-line?
I want to read a text file line by line. I wanted to know if I'm doing it as efficiently as possible within the .NET C# scope of things.
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Unicode (UTF-8) reading and writing to files in Python
I'm having some brain failure in understanding reading and writing text to a file (Python 2.4).
14 Answers
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