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How do I clear only a few specific objects from the workspace?
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but how can you do with the GUI, without the command line? like in Revolution R
– skan
Sep 13 '15 at 11:42
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How to list all tags along with the full message in git?
...n9
if specific tags are to list:
git tag -l -n9 v3.*
(e.g, above command will only display tags starting with "v3.")
-l , --list
List tags with names that match the given pattern (or all if no pattern is given).
Running "git tag" without arguments also lists all tags. T...
Why does PostgreSQL perform sequential scan on indexed column?
...Also, a sequential scan can request several pages from the heap at a time, and ask the kernel to be fetching the next chunk while it works on the current one- an index scan fetches one page at once. (A bitmap scan does a compromise between the two, you usually see that appearing in a plan for querie...
How do I replace all line breaks in a string with elements?
How can I read the line break from a value with JavaScript and replace all the line breaks with <br /> elements?
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How to convert a string to utf-8 in Python
...icode'>)
^ This is the difference between a byte string (plain_string) and a unicode string.
>>> s = "Hello!"
>>> u = unicode(s, "utf-8")
^ Converting to unicode and specifying the encoding.
In Python 3
All strings are unicode. The unicode function does not exist anymore. See ...
Kill a postgresql session/connection
... pg_backend_pid()
-- don't kill the connections to other databases
AND datname = 'database_name'
;
Before executing this query, you have to REVOKE the CONNECT privileges to avoid new connections:
REVOKE CONNECT ON DATABASE dbname FROM PUBLIC, username;
If you're using Postgres 8....
Strange SQLAlchemy error message: TypeError: 'dict' object does not support indexing
I am using hand crafted SQL to fetch data from a PG database, using SqlAlchemy. I am trying a query which contains the SQL like operator '%' and that seems to throw SqlAlcjhemy through a loop:
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SHA-1 fingerprint of keystore certificate
...he method of getting the a fingerprint? Previously, I was running this command:
35 Answers
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Conda: Installing / upgrading directly from github
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It's still calling pip under the covers, but you can now unify your conda and pip package specifications in a single environment.yml file.
If you wanted to update your root environment with this file, you would need to save this to a file (for example, environment.yml), then run the command: conda...
Android imageview not respecting maxWidth?
...eView to scale its image to fit inside the height of the parent container, and a set max width of 60dip. However, if the image is tall ratio-wise, and doesn't need the full 60dip of width, the ImageView's width should decrease so the view's background fits snugly around the image.
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