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What do column flags mean in MySQL Workbench?
In MySQL Workbench table editor there are 7 column flags available: PK, NN, UQ, BIN, UN, ZF, AI.
3 Answers
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Why there can be only one TIMESTAMP column with CURRENT_TIMESTAMP in DEFAULT clause?
... to historical, code legacy reasons, has been lifted in recent versions of MySQL:
Changes in MySQL 5.6.5 (2012-04-10, Milestone 8)
Previously, at most one TIMESTAMP column per table could be
automatically initialized or updated to the current date and time.
This restriction has been li...
How do you debug MySQL stored procedures?
...ariable at a given point in the script, but is there a better way to debug MySQL stored procedures?
16 Answers
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Unable to verify leaf signature
...ity you can add the necessary certificates to the chain. First install ssl-root-cas package from npm:
npm install ssl-root-cas
This package contains many intermediary certificates that browsers trust but node doesn't.
var sslRootCAs = require('ssl-root-cas/latest')
sslRootCAs.inject()
Will add...
C/C++中的段错误（Segmentation fault） - C/C++ - 清泛网 - 专注C/C++及内核技术
...麻烦”？
3。编程中通常碰到段错误的地方有哪些？
4。如何发现程序中的段错误并处理掉？
正文
1。什么是段错误？
下面是来自Answers.com的定义：
A segmentation fault (often shortened to segfault) is a particular error conditio...
Deep Learning（深度学习）学习笔记整理系列之（四） - 大数据 & AI - 清泛...
...，这个AutoEncoder还不能用来分类数据，因为它还没有学习如何去连结一个输入和一个类。它只是学会了如何去重构或者复现它的输入而已。或者说，它只是学习获得了一个可以良好代表输入的特征，这个特征可以最大程度上代表...
How do I do a bulk insert in mySQL using node.js
How would one do a bulk insert into mySQL if using something like
https://github.com/felixge/node-mysql
12 Answers
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MySQL error: key specification without a key length
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The error happens because MySQL can index only the first N chars of a BLOB or TEXT column. So The error mainly happens when there is a field/column type of TEXT or BLOB or those belong to TEXT or BLOB types such as TINYBLOB, MEDIUMBLOB, LONGBLOB, TINY...
Why does Git treat this text file as a binary file?
...a correct information. I was trying to control diffs to an extremely large MySQL Dump (.sql file), but git treats it as a binary file, even if it has only ASCII/UTF8 data on it. The reason, is that lines are super-long (insert values (one),(two),(three),(...),(3 million...);. Strangely, for every co...
MySql: Tinyint (2) vs tinyint(1) - what is the difference?
I knew boolean in mysql as tinyint (1) .
4 Answers
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