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Python JSON serialize a Decimal object
I have a Decimal('3.9') as part of an object, and wish to encode this to a JSON string which should look like {'x': 3.9} . I don't care about precision on the client side, so a float is fine.
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Custom bullet symbol for elements in that is a regular character, and not an image
...ides a straightforward solution. Simply add list-style: none; to your rule and force the LIs to display with hanging indents. The rule will look something like this:
ul {
list-style: none;
margin-left: 0;
padding-left: 1em;
text-indent: -1em;
}
Either the padding or the margin needs to ...
How can I calculate an md5 checksum of a directory?
...l files of a particular type ( *.py for example) placed under a directory and all sub-directories.
15 Answers
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How to export query result to csv in Oracle SQL Developer?
...wn as Method 1 below:
Method 1
Add the comment /*csv*/ to your SQL query and run the query as a script (using F5 or the 2nd execution button on the worksheet toolbar)
That's it.
Method 2
Run a query
Right click and select unload.
Update. In Sql Developer Version 3.0.04 unload has been ch...
round() for float in C++
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there is also lround and llround for integral results
– sp2danny
Feb 23 '15 at 11:55
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How do write IF ELSE statement in a MySQL query
...pression.
They look like this:
SELECT col1, col2, (case when (action = 2 and state = 0)
THEN
1
ELSE
0
END)
as state from tbl1;
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I need to store postal codes in a database. How big should the column be?
...n it?
If the initial version of your application is going to support US and Canadian addresses (which I'm inferring from the fact that you call out those sizes in your question), I'd declare the field as VARCHAR2(9) (or VARCHAR2(10) if you intend to store the hyphen in ZIP+4 fields). Even lookin...
Make xargs handle filenames that contain spaces
My command fails because the file "Lemon Tree.mp3" contains spaces and so xargs thinks it's two files. Can I make find + xargs work with filenames like this?
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Convert list of dictionaries to a pandas DataFrame
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As of Pandas 0.19.2, there's no mention of this in the documentation, at least not in the docs for pandas.DataFrame
– Leo Alekseyev
Apr 13 '17 at 22:56
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Bash ignoring error for a particular command
...shell to think that the entire pipe has non-zero exit code
when one of commands in the pipe has non-zero exit code (with pipefail off it must the last one).
$ set -o pipefail
$ false | true ; echo $?
1
$ set +o pipefail
$ false | true ; echo $?
0
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