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Adding n hours to a date in Java?
...er compliant with JDBC 4.2 or later. No need for strings, no need for java.sql.* classes.
Where to obtain the java.time classes?
Java SE 8, Java SE 9, and later
Built-in.
Part of the standard Java API with a bundled implementation.
Java 9 adds some minor features and fixes.
Java SE 6 and Jav...
How to get number of rows using SqlDataReader in C#
My question is how to get the number of rows returned by a query using SqlDataReader in C#. I've seen some answers about this but none were clearly defined except for one that states to do a while loop with Read() method and increment a counter.
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MySQL's now() +1 day
I'm using now() in MySQL query.
4 Answers
4
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Difference between FetchType LAZY and EAGER in Java Persistence API?
...eferred" at the child entity. When I say course.getStudents(), it fires an SQL query( saw that on console). In Lazy fetch type also, same thing happens. So, What's is the difference??
– Neha Choudhary
Jan 3 '13 at 3:59
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Django South - table already exists
...uent new migration, when it called _remake_table(), was throwing the error sqlite3.pypysqlite2.dbapi2.OperationalError: table "_south_new_myapp_mymodel" already exists, because it did already exist and wasn't supposed to be there.
The _south_new bit looked odd to me, so I browsed my DB, saw the tab...
Java: getMinutes and getHours
...er compliant with JDBC 4.2 or later. No need for strings, no need for java.sql.* classes.
Where to obtain the java.time classes?
Java SE 8, Java SE 9, Java SE 10, Java SE 11, and later - Part of the standard Java API with a bundled implementation.
Java 9 adds some minor features and fixes.
J...
Changing Java Date one hour back
...er compliant with JDBC 4.2 or later. No need for strings, no need for java.sql.* classes.
Where to obtain the java.time classes?
Java SE 8, Java SE 9, Java SE 10, Java SE 11, and later - Part of the standard Java API with a bundled implementation.
Java 9 adds some minor features and fixes.
J...
How can I transform string to UTF-8 in C#?
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If you want to save any string to mysql database do this:->
Your database field structure i phpmyadmin [ or any other control panel] should set to utf8-gerneral-ci
2) you should change your string [Ex. textbox1.text] to byte, therefor
2-1) define byte[] s...
腾讯Tencent开源框架介绍（持续更新） - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...付、公众平台等多个重要业务。
https://github.com/Tencent/phxsql PhxSQL是由微信后台团队自主研发的一款数据强一致、服务高可用的分布式数据库服务。PhxSQL提供Zookeeper级别的强一致和高可用，完全兼容MySQL。
https://github.com/Tencent/phx...
Grant **all** privileges on database
...this answer can solve the problem of access, WITH GRANT OPTION creates a MySQL user that can edit the permissions of other users.
The GRANT OPTION privilege enables you to give to other users or remove from other users those privileges that you yourself possess.
For security reasons, you should no...