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How to change column datatype from character to numeric in PostgreSQL 8.4
...s an assignment cast from old data type to new. A USING clause must be provided if there is no implicit or assignment cast from old to new type.
So this might work (depending on your data):
alter table presales alter column code type numeric(10,0) using code::numeric;
-- Or if you prefer standard...
pandas: multiple conditions while indexing data frame - unexpected behavior
...nswered Nov 27 '16 at 21:21
CONvid19CONvid19
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How to pass the -D System properties while testing on Eclipse?
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where is this if you are trying to run an android application?
– user678392
Sep 28 '13 at 23:17
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How to get the max of two values in MySQL?
... so that i can get values for a cirtain column
– Junaid Qadir
Jul 13 '13 at 16:11
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How to avoid warning when introducing NAs by coercion
... prefer to code R so that I don't get warnings, but I don't know how to avoid getting a warning when using as.numeric to convert a character vector.
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What is Python buffer type for?
...nk buffers are e.g. useful when interfacing python to native libraries. (Guido van Rossum explains buffer in this mailinglist post).
For example, numpy seems to use buffer for efficient data storage:
import numpy
a = numpy.ndarray(1000000)
the a.data is a:
<read-write buffer for 0x1d7b410, s...
What is the difference between `-fpic` and `-fPIC` gcc parameters?
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What's more: I did a little experiment here (on x86_64 platform), -fPIC and -fpic appears to have generated the same code. It seems they generate a different code only on m68k, PowerPC and SPARC.
– Denilson Sá Maia
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Disable IntelliJ Starred (Package) Imports?
I'm a migrating Eclipse IDE user and am learning my way round IntelliJ IDEA 9.
3 Answers
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Which MIME type to use for a binary file that's specific to my program?
...headers are recognised by the browser for the purpose of a (fast) possible identifying a handler to use the downloaded file as target, for example, PDF would be downloaded and your Adobe Reader program would be executed with the path of the PDF file as an argument,
If your needs are to write a brow...
How do I update a formula with Homebrew?
...tall
or
brew upgrade
This is from the brew site..
for upgrading individual formula:
brew install formula-name && brew cleanup formula-name
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