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What is a 'multi-part identifier' and why can't it be bound?
...fier is any description of a field or table that contains multiple parts - for instance MyTable.SomeRow - if it can't be bound that means there's something wrong with it - either you've got a simple typo, or a confusion between table and column. It can also be caused by using reserved words in your...
How to use multiple AWS Accounts from the command line?
...ounts by creating two profiles on the aws command line.
It will prompt you for your AWS Access Key ID, AWS Secret Access Key and desired region, so have them ready.
Examples:
$ aws configure --profile account1
$ aws configure --profile account2
You can then switch between the accounts by passin...
How to see the changes in a Git commit?
...
To see the diff for a particular COMMIT hash:
git diff COMMIT~ COMMIT will show you the difference between that COMMIT's ancestor and the COMMIT. See the man pages for git diff for details about the command and gitrevisions about the ~ not...
How to exclude a module from a Maven reactor build?
...be placed after the default modules in reactor order. Is there a pattern for forcing order?
– Peter Kahn
Jun 7 '12 at 17:33
9
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Web API Put Request generates an Http 405 Method Not Allowed error
...ced this inside <system.webServer>.
<modules runAllManagedModulesForAllRequests="true">
<remove name="WebDAVModule"/> <!-- add this -->
</modules>
Additionally, it is often required to add the following to web.config in the handlers. Thanks to Babak
<handlers...
Behaviour of increment and decrement operators in Python
... want to do:
count += 1
I suspect the ++ and -- operators were left out for consistency and simplicity. I don't know the exact argument Guido van Rossum gave for the decision, but I can imagine a few arguments:
Simpler parsing. Technically, parsing ++count is ambiguous, as it could be +, +, cou...
Change auto increment starting number?
...tial value:
ALTER TABLE tbl AUTO_INCREMENT = 5;
See the MySQL reference for more details.
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postgresql return 0 if returned value is null
... if all arguments are null. It is often
used to substitute a default value for null values when data is
retrieved for display.
Edit
Here's an example of COALESCE with your query:
SELECT AVG( price )
FROM(
SELECT *, cume_dist() OVER ( ORDER BY price DESC ) FROM web_price_scan
WHERE l...
Entity Attribute Value Database vs. strict Relational Model Ecommerce
...lex code required to validate simple data types
Con: much more complex SQL for simple
reports
Con: complex reports can become almost
impossible
Con: poor performance for large data sets
Option 2, Modelling each entity separately:
Con: more time required to gather
requirements and design
Con: new...
Equivalent of LIMIT and OFFSET for SQL Server?
...user to do so).
Note: the @Offset parameter should use one-based indexing for this rather than the normal zero-based indexing.
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