panamax | Mirror rustup and crates.io repositories | DevOps library
kandi X-RAY | panamax Summary
kandi X-RAY | panamax Summary
Panamax is a tool to mirror the Rust and crates.io repositories, for offline usage of rustup and cargo.
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QUESTION
Let me decribe the task: Each column represents the ship (name of the column is the name of a ship and rows are containers). The name of the ship is in the form nn: xxxxxx (ttttttt). The containers are represented in the form aa-bb-cccccccc/yyyy/xx@ddddddddd.ee, where bb is the name of the final destination of a container. My task is to calculate the number of containers whose final destination is Japan, so I have to retrieve bb from the containers form and count them. My idea is to create another table, which will be created by the function split (with '-' as the splitting caption) and then count it simply by adding +1 when bb is in the cell. Here is some code:
...ANSWER
Answered 2019-Oct-29 at 14:40Let's us regular expressions with extract
then value_counts
and you can filter your result to get your proper destinations.
QUESTION
We have cells in format 'aa-bb-cccccccc/yyyy/xx@ddddddddd.ee', where xx are the captions in format (A0-Z9) and yyyy are the numbers in format (0001-9999). We want to find the mean of yyyy for cells, which have xx='X1'. The table is huge, so iterating over each cell seems problematic. Can I use here somehow function filter(like='X1'), I have troubles finding a way to extract yyyy where this condition is satisfied.
...ANSWER
Answered 2019-Oct-30 at 19:41As I understand, you want to compute one mean value, for all cells meeting the criterion, regardless of the column where it is.
Start from import re.
Then compile the regex:
QUESTION
I have 59 columns whose name is in the format: nn: xxxxxx (ttttttt)
, where tttttt
is some name which is repeated for some particular columns. Now I want to calculate the sum of non-empty cells when tttttt='XXXXXX'
. I know how to calculate the number of non-empty cells in a column, but how do I add the condition of ttttt
being XXXXXX
in the name of a column?
ANSWER
Answered 2019-Oct-29 at 19:05You can use filter
:
QUESTION
I have noticed below error is not catched properly by tryCatch: it doesnt print TRUE, and it doesnt go to the browser...
Could it be a bug in the tryCatch function?
...ANSWER
Answered 2019-Jan-21 at 10:19There is no error when evaluating expression formattable::formattable(df1, L)
. You can verify by running:
QUESTION
the Error report - ORA-00036: maximum number of recursive SQL levels (50) exceeded ORA-00036: maximum number of recursive SQL levels (50) exceeded ORA-06512: at "HW4.TR1", line 5 ORA-04088: error during execution of trigger 'HW4.TR1' ORA-06512: at "HW4.TR1", line 8 the code:
...ANSWER
Answered 2018-Jan-15 at 10:31Your trigger says: "If somebody inserts a row into DOCKING I will insert yet another row into DOCKING". Thus trigger sees second insert and inserts third row.... thus sees third insert and inserts fourth...... And this music would be non-stop until ORA-00036...
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