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Drop a temporary table if it exists
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You could also consider truncating the table instead rather than dropping and recreating.
IF OBJECT_ID('tempdb..##CLIENTS_KEYWORD', 'U') IS NOT NULL
TRUNCATE TABLE ##CLIENTS_KEYWORD
ELSE
CREATE TABLE ##CLIENTS_KEYWORD
(
client_id INT
)
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Unable to resolve host “”; No address associated with hostname [closed]
In my Android application for reading RSS links, I am getting this error:
17 Answers
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Plotting time in Python with Matplotlib
I have an array of timestamps in the format (HH:MM:SS.mmmmmm) and another array of floating point numbers, each corresponding to a value in the timestamp array.
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How to convert a PNG image to a SVG? [closed]
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There is a website where you can upload your image, and see the result.
http://vectormagic.com/home
But if you want to download your svg-image, you need to register.
(If you register, you get 2 images for free)
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How to reference a method in javadoc?
...rmation about JavaDoc at the Documentation Comment Specification for the Standard Doclet, including the information on the
{@link package.class#member label}
tag (that you are looking for). The corresponding example from the documentation is as follows
For example, here is a comment that...
Get model's fields in Django
... in front of meta indicate that the _meta attribute is a private attribute and shouldn't be accessed directly? ... Because, for example, the layout of _meta could change in the future and not be a stable API?
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What is the purpose of Android's tag in XML layouts?
... Romain Guy's post on the <merge /> tag, but I still don't understand how it's useful. Is it a sort-of replacement of the <Frame /> tag, or is it used like so:
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github markdown colspan
... I understood that Pipes are ether optional at the beginning and the end, or none of them. Maybe should you add one at the end of this lines?
– Sandburg
Mar 22 '19 at 13:36
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How to properly create composite primary keys - MYSQL
... gross oversimplification of an intense setup I am working with. table_1 and table_2 both have auto-increment surrogate primary keys as the ID. info is a table that contains information about both table_1 and table_2 .
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Generating a random & unique 8 character string using MySQL
...nsists of two very different sub-problems:
the string must be seemingly random
the string must be unique
While randomness is quite easily achieved, the uniqueness without a retry loop is not. This brings us to concentrate on the uniqueness first. Non-random uniqueness can trivially be achieved w...