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What is SaaS, PaaS and IaaS? With examples
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IaaS, PaaS and SaaS are cloud computing service models.
IaaS (Infrastructure as a Service), as the name suggests, provides you the computing infrastructure, physical or (quite often) virtual machines and other resources like virtual-...
Retrieve list of tasks in a queue in Celery
...ure is that you need to query redis for every priority of task. In python (and from the Flower project), this looks like:
PRIORITY_SEP = '\x06\x16'
DEFAULT_PRIORITY_STEPS = [0, 3, 6, 9]
def make_queue_name_for_pri(queue, pri):
"""Make a queue name for redis
Celery uses PRIORITY_SEP to se...
Save file to specific folder with curl command
In a shell script, I want to download a file from some URL and save it to a specific folder. What is the specific CLI flag I should use to download files to a specific folder with the curl command, or how else do I get that result?
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Hidden features of Python [closed]
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In case you're thinking it's doing 1 < x, which comes out as True, and then comparing True < 10, which is also True, then no, that's really not what happens (see the last example.) It's really translating into 1 < x and x < 10, and x < 10 and 10 < x * 10 and x*10 < 100, but...
Convert nullable bool? to bool
...in a 'Quick Action' for a Linq statement 'Where' clause, I couldn't understand why lifted operators didn't seem to work inside Linq (perhaps it's just VB.NET?) - I have just tested and it does throw an invalid cast exception
– Luke T O'Brien
Mar 9 '17 at 9:38
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error: 'Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)' — Miss
...ing to run mysql without passwords turned on... but whenever I ran the command
44 Answers
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Search and replace in Vim across all the project files
I'm looking for the best way to do search-and-replace (with confirmation) across all project files in Vim. By "project files" I mean files in the current directory, some of which do not have to be open.
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codestyle; put javadoc before or after annotation?
... before or after the annotation. What would we want to adopt as a coding standard?
5 Answers
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How can I get column names from a table in SQL Server?
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You can obtain this information and much, much more by querying the Information Schema views.
This sample query:
SELECT *
FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_NAME = N'Customers'
Can be made over all these DB objects:
CHECK_CONSTRAINTS
COL...
How do you install ssh-copy-id on a Mac?
...d out my brew library was a bit overdue for a refresh. Running brew update and then installing again solved the problem.
– LapplandsCohan
Sep 29 '16 at 18:30
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