Thursday, June 9, 2016

Enable core dumps for systemd services on CentOS 7

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Core dumps are very useful to C++ programs to debug critical crashes like segfault, etc. How to enable core dumps for systemd services on ...
2 comments:

yum update meets "No packages marked for update"

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When you use "yum update", you could see "No packages marked for update", though you are sure that there are some packag...

How to print std::shared_ptr in GDB

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GDB is a very useful debugging tool for C++, especially when your program crashes due to unknown errors. At such case, you could enable core...
Monday, May 30, 2016

Thread safty issues of openssl when used with curl

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When you use libcurl to send any SSL connections like HTTPS, FTPS, etc., you need to have a look at the underlying SSL library used by libcu...
Sunday, May 29, 2016

A C++ Pool class to reuse connections or pointers

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 #include <list>   #include <string>   #include <iostream>   #include <pthread.h>   #include <thread>   ...
Wednesday, May 25, 2016

How to let MeCab library use a given dictionary directory

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MeCab is a famous analysis tool for a few languages. It is used to tokenize Japanese sentences into words by me in my project. I installed i...
Tuesday, May 17, 2016

Openssl segfault bug and building Curl with new openssl libraries

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Recently, I met a bug in the openssl library which results in segfault when sending HTTPS requests using the Curl library (which uses openss...