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Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL?
...ther.)
Workaround from within psql
You can work around it from within psql by executing the DDL statement conditionally:
SELECT 'CREATE DATABASE mydb'
WHERE NOT EXISTS (SELECT FROM pg_database WHERE datname = 'mydb')\gexec
The manual:
\gexec
Sends the current query buffer to the server, then treat...
ImportError: no module named win32api
... and I want to use pywin32-214 on Windows 7 . I installed pywin32-214 by using the msi installer. But when I import win32api in my Python script, it throws the error:
...
log all sql queries
...-toolbar/django-debug-toolbar
It'll let you see all the queries generated by a given page. As well as stacktraces of where they occur etc.
EDIT: to log all SQL queries to a file etc, then you will want to create some middleware. Middleware gets run on every request. There are several Django sni...
Is SonarQube Replacement for Checkstyle, PMD, FindBugs?
...nd PMD, as well as a few other "plugins" such as Cobertura (code coverage) by default for Java projects. The main added value, however, is that it stores the history in a database. You can then see the trend. Are you improving the code base or are you doing the opposite? Only a tool with memory can ...
How to get the first and last date of the current year?
...FF(yy, 0, GETDATE()) + 1, 0)) AS LastTimeOfYear
Tech Details
This works by figuring out the number of years since 1900 with DATEDIFF(yy, 0, GETDATE()) and then adding that to a date of zero = Jan 1, 1900. This can be changed to work for an arbitrary date by replacing the GETDATE() portion or an a...
How do I make a matrix from a list of vectors in R?
...on that is fairly intuitive. However, since R's default is to fill in data by columns first, you will need to transpose the output. (sapply uses simplify2array, as documented in help(sapply).)
> t(simplify2array(a))
[,1] [,2] [,3] [,4] [,5] [,6]
[1,] 1 1 2 3 4 5
[2,] ...
How to collapse all methods in Xcode?
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I've found code folding to be buggy in trying to unfold by just clicking the ellipses. Only 7 out of 10 times does it work correctly. Other times I have to unfold all from the editor menu option.
– Micah Montoya
Oct 2 '17 at 16:55
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Gradient of n colors ranging from color 1 and color 2
...een" or "royalblue". All colors available to use can be returned as a list by running: colors().
– jadki
Oct 9 '18 at 20:54
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Can I do a synchronous request with volley?
...main thread. That was not clear to me. Cause if the main thread is blocked by the future.get() then the app will stall or run into timeout for sure if set so.
– r00tandy
Jun 1 '16 at 5:11
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Is it possible to specify the schema when connecting to postgres with JDBC?
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We solved this problem by also using a different (newer) JDBC driver. In our case postgresql-9.4.1209.jdbc42.jar worked together with a 9.5 database and the ?currentSchema=myschema syntax.
– SebastianH
Sep 30 ...