English chapter19, What should we do with the help of SQLite
Already, we have experimentally accumulated information on drive failure prediction in the form of SQLite. It has been i...
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English 
English chapter18, About scan of a SSD
A SSD is not enough for verification inspection.This is because, verification inspection does not directly follow the de...
English chapter17, In rare case, improvement of symptom of database not opening
On rare case, debug reported that an error occurred when opening the database and stopped. Since the cause may be an exc...
English chapter16, prevector
There was an interesting vector (prevector). All the operators are overloaded so that they can be used like "std :: vect...
English chapter15, Electronic Vehicle by Blockchain?
ASIA BLOCKCHAIN:In the epoch of blockchain, not only payment but also various expenses processing, it seems that complic...
AIデータ復旧サービスについて 復旧不定期日誌362, gmailをご利用のお客様へ
◇ 2020年2月3日(月)、正常な送受信を確認いたしました。◇ 2020年2月7日(金)、 DMARCをDNSに追加いたしました。これで、正常に戻ると思います。最近、自動ご案内メールを含む全般で、gmailの未着が多くなっております。＊y...
English chapter14, At the point of notification, a transaction ID is issued.
At the point of notification, a transaction ID is issued. And, there are many scams in the community etc. as follows."He...
English chapter13, Buffer policy
SorachanCoin project has decided to use "std :: vector" for buffer processing.A daemon that only processes nodes does no...
English chapter12, Is the buffer a stack or a vector?
If you can use memory management by object, you may have to consider about using a stack or a vector for buffers used on...
English chapter11, Isn’t optimization needed anywhere?
With recent compilers, the optimizations are terrific, so it may be best to let the compiler do it without having to do ...
English chapter10, “malloc” and “free” control
"Placement new" can control calls to "malloc" and "free". But, code directly calls "malloc" and "free" from itself may c...
English chapter9, OpenSSL multi-threading support
This code stores all objects in the memory allocated by "OPELSSL_malloc". However, as of now, "OPENSSL_malloc" is equiva...
English chapter8, Placement new
There is a grammar, "placement new", that creates an instance on an already allocated memory address.However, not all th...
English chapter7, Before the search, existing informations are removed and starting position is exchanged any one
This is a common technique we used when building the data recovery logic. In data recovery, there is a long process to f...
English chapter6, Faster with code optimization
In the last ten years, the grammar has changed and it has become faster. Before, I used many references for speeding up,...