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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
2
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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?
...
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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What is the difference between an Azure Web Site and an Azure Web Role
...s and frameworks, (like WordPress, Joomla, Django, MediaWiki, etc.)
Use of SQL Database or MySQL
Simple and fast to scale from free tier to shared tier to dedicated tier
Web Jobs
Backups of Web Site content
Built-in web-based debugging tools (simple cmd/powershell debug console, process explorer, di...
Heroku Postgres - terminate hung query (idle in transaction)
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(The simple-stupid answer to this question may be ... just restart postgresql. Assuming that's not desirable or not an option ...)
Find the PID by running this sql:
SELECT pid , query, * from pg_stat_activity
WHERE state != 'idle' ORDER BY xact_start;
(The query may need mending dependent of...
What is a lambda (function)?
...can also be broken down and its logic read.
For instance (in C#3):
LinqToSqlContext.Where(
row => row.FieldName > 15 );
LinqToSql can read that function (x > 15) and convert it to the actual SQL to execute using expression trees.
The statement above becomes:
select ... from [tabl...
Is there a performance impact when calling ToList()?
...forming queries against a data source for example a Database using LINQ to SQL then the cost of doing ToList is much more because when you use ToList with LINQ to SQL instead of doing Delayed Execution i.e. load items when needed (which can be beneficial in many scenarios) it instantly loads items f...
Disable ALL CAPS menu items in Visual Studio 2013
... (subtly different from what you get with SuppressUppercaseConversion: the SQL menu gets renamed to Sql)
or hide it completely (and have it appear on ALT key press or mouse over)
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How to change the name of a Django app?
...<oldAppName>_modelName RENAME TO <newAppName>_modelName. For mysql too I think it is the same (as mentioned by @null_radix)
(For Django >= 1.7) Update the django_migrations table to avoid having your previous migrations re-run: UPDATE django_migrations SET app='<NewAppName>' WHE...