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Test or check if sheet exists
Basically I loop through all sheets in the origin workbook then set destsheet in the destination workbook to the sheet with the same name as the currently iterated one in the origin workbook.
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Why shouldn't I use mysql_* functions in PHP?
...lude: (from PHP manual).
Stored procedures (can't handle multiple result sets)
Prepared statements
Encryption (SSL)
Compression
Full Charset support
Reason to not use mysql_* function:
Not under active development
Removed as of PHP 7
Lacks an OO interface
Doesn't support non-blocking, asynchro...
What's the Point of Multiple Redis Databases?
...ou simply create a key index. Whenever adding a key, add the key name to a set. The keys command is not terribly useful once you scale up since it will take significant time to return.
Let the access pattern determine how to structure your data rather than store it the way you think works and then...
Xcode 5: Code signing entitlement errors
...on lies in the new option in Xcode 5 which says provisioning profile. Just set the project target's provisioning profile to the right one and it'll work.
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AtomicInteger lazySet vs. set
What is the difference between the lazySet and set methods of AtomicInteger ? The documentation doesn't have much to say about lazySet :
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django test app error - Got an error creating the test database: permission denied to create databas
...name> CREATEDB; command needs to match the database user in your Django settings files. In this case, the original poster, had the user as django the above answer.
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What's “tools:context” in Android layout files?
...ing (which at runtime happens in the other direction; an activity can call setContentView(layout) to display a layout) in order to drive certain features.
Right now, we're using it for one thing only: Picking the right theme to show for a layout (since the manifest file can register themes to use f...
How to create a MySQL hierarchical recursive query
....id
)
select * from cte;
The value specified in parent_id = 19 should be set to the id of the parent you want to select all the descendants of.
MySQL 5.x
For MySQL versions that do not support Common Table Expressions (up to version 5.7), you would achieve this with the following query:
select ...
Hibernate - Batch update returned unexpected row count from update: 0 actual row count: 0 expected:
... causes the problem, try the following:
In your hibernate configuration, set hibernate.show_sql to true. This should show you the SQL that is executed and causes the problem.
Set the log levels for Spring and Hibernate to DEBUG, again this will give you a better idea as to which line causes the pr...
Format / Suppress Scientific Notation from Python Pandas Aggregation Results
...y helpful. You can specify your own string converter like so.
In [25]: pd.set_option('display.float_format', lambda x: '%.3f' % x)
In [28]: Series(np.random.randn(3))*1000000000
Out[28]:
0 -757322420.605
1 -1436160588.997
2 -1235116117.064
dtype: float64
I'm not sure if that's the prefer...