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How to get the size of a string in Python?
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@cryanbhu I don't know why the OP wanted the size and that would affect the answer, but probably most useful would be len(s.encode('utf8')) or whatever other encoding is going to be used when writing to the file. Also, if they also want a terminating null then they'll need t...
Display a float with two decimal places in Python
...oat arguments (generally integers or decimals with one significant digit), and I need to output the values in a string with two decimal places (5 -> 5.00, 5.5 -> 5.50, etc). How can I do this in Python?
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Oracle PL/SQL - How to create a simple array variable?
...create in-memory arrays.
With either of these you need to both initialise and extend the collection before adding elements:
declare
type array_t is varray(3) of varchar2(10);
array array_t := array_t(); -- Initialise it
begin
for i in 1..3 loop
array.extend(); -- Extend it
arr...
Hibernate error - QuerySyntaxException: users is not mapped [from users]
I'm trying to get a list of all the users from "users" table and I get the following error:
18 Answers
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SQL Server indexes - ascending or descending, what difference does it make?
...ch column be either ascending or descending. I'm having a hard time understanding why this choice is even here. Using binary sort techniques, wouldn't a lookup be just as fast either way? What difference does it make which order I choose?
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Test or check if sheet exists
...ome folk dislike this approach because of an "inappropriate" use of error handling, but I think it's considered acceptable in VBA... An alternative approach is to loop though all the sheets until you find a match.
Function WorksheetExists(shtName As String, Optional wb As Workbook) As Boolean
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How do you skip a unit test in Django?
... run certain test files, the best way is probably to use fab or other tool and run particular tests.
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How can I list all collections in the MongoDB shell?
... Can we please get db.listCollections() as the answer shown here and checked in green? Otherwise people are making the same mistake I did countless times when they come to this answer - and attempt to use db.getCollectionNames and the error comes back db.collectionNames is not a function....
Why when a constructor is annotated with @JsonCreator, its arguments must be annotated with @JsonPro
... to get rid of extraneous annotations with the help of Java8 compiler flag and a Jackson module. I've tested the approach and it works.
– quantum
Sep 21 '15 at 17:46
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How do I disconnect all other users in tmux?
...t.
either from <prefix>:followed by detach [options] or on the command line inside tmux with tmux detach [options]
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