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Can JavaScript connect with MySQL?
Can JavaScript connect with MySQL? If so, how?
18 Answers
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How do ACID and database transactions work?
...p between ACID and database transaction?
In a relational database, every SQL statement must execute in the scope of a transaction.
Without defining the transaction boundaries explicitly, the database is going to use an implicit transaction which is wraps around every individual statement.
The ...
Returning null as an int permitted with ternary operator but not if statement
...llowing:
long millis = System.currentTimeMillis();
return(true ? new java.sql.Timestamp(millis) : new java.sql.Time(millis));
You'll notice that resulting type of the conditional expression is java.util.Date since it's the "Least Common Superclass" for the Timestamp/Time pair.
Since null can be ...
What's the recommended approach to resetting migration history using Django South?
... --delete-ghost-migrations on the live deployment server followed by a [my]sqldump. Then pipe that dump into [my]sql on the environments where you need the migrated, fully-populated db. South sacrilege, I know, but worked for me.
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快速理解 高频对冲套利自动交易（程式化交易） - 更多技术 - 清泛网 - 专注...
...言，我才实盘测试交易15个交易日，我也不知道每月收益如何。按照估算，20万的实盘账户，每月稳定有净利润5000元以上（即，年收益大约30%以上，权益回撤不超过10%），同时，产生的手续费比净利润略低些，大约是净利润的9成...
Best practice: PHP Magic Methods __set and __get [duplicate]
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Your final line is my philosophy: Let PHP be PHP, let SQL be SQL, let Javascript be Javascript, let HTML be HTML, let Java, C#, or your chosen language be what it is and operate how it's designed to operate. Inherent in that is that it's mainly effective when your team knows ho...
How do I stop Entity Framework from trying to save/insert child objects?
... related tables. At this point, I'm ready to rip EF out and switch back to SQL which at least behaves sensibly. What a pain.
– Mark Micallef
Aug 22 '14 at 8:29
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In Intellij, how do I toggle between camel case and underscore spaced?
At my company we have two different style guides for java vs sql. In java I have a field named historyOfPresentIllness and when i write the sql, I want to name it history_of_present_illness . Is there a keyboard shortcut to switch from one to the other when I have the phrase highlighted? Or pe...
Search an Oracle database for tables with specific column names?
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Here is one that we have saved off to findcol.sql so we can run it easily from within SQLPlus
set verify off
clear break
accept colnam prompt 'Enter Column Name (or part of): '
set wrap off
select distinct table_name,
column_name,
data...
Are email addresses case sensitive?
...re using email systems that support such nonsense.
p.s. ILIKE is a PostgreSQL keyword: http://www.postgresql.org/docs/9.2/static/functions-matching.html
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