JXC | 进销存管理系统,采用SpringBootShiroMyBatisEasyUI | Security Framework library
kandi X-RAY | JXC Summary
kandi X-RAY | JXC Summary
进销存管理系统,采用SpringBoot+Shiro+MyBatis+EasyUI
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of JXC
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Trending Discussions on JXC
QUESTION
When Invoking lambda
from ECS
,Permission error comes.
ANSWER
Answered 2022-Mar-27 at 11:38This is easily done by passing variables between stacks
For example in some-app
QUESTION
I want to get the quantity of electores
and votes
in a single row.
I have this data set:
...ANSWER
Answered 2021-Nov-20 at 16:56What you are trying to do is called pivoting.
QUESTION
I have a huge PySpark dataframe and I'm doing a series of Window functions over partitions defined by my key.
The issue with the key is, my partitions gets skewed by this and results in Event Timeline that looks something like this,
I know that I can use salting technique to solve this issue when I'm doing a join. But how can I solve this issue when I'm using Window functions?
I'm using functions like lag, lead etc in the Window functions. I can't do the process with salted key, because I'll get wrong results.
How to solve skewness in this case?
I'm looking for a dynamic way of repartitioning my dataframe without skewness.
Updates based on answer from @jxc
I tried creating a sample df and tried running code over that,
...ANSWER
Answered 2020-Nov-28 at 18:12To handle such skewed data, there are a couple of things you can try out.
If you are using Databricks to run your jobs and you know which column will have the skew then you can try out an option called skew hint
I recommend moving to Spark 3.0 since you will have the option to use Adaptive Query Execution (AQE) which can handle most of the issues improving your job health and potentially running them faster.
Usually, I suggest making your data more even-sized partitions before any wide operation, and Increasing the cluster size does help but I am not sure if this will work for you.
QUESTION
Thanks to @jxc I was able to get a working code in post:
Bash loop to make directory, if numerical id found in file
I'm trying to use awk
to create sub-directories in a directory which will already be created in /path/to/directory
. If the full string in $2
of file1
is found in $0
, second line (always this format) of file2
. There will be more lines in file2
then matches.
The directory will already be created in /path/to/directory
. In the example below,
SubDirectory already exists in /path/to/directory
and since 19-0000_Lname-yy-zzz
and 19-0001_Lname-yyyy-zzzzz
are found in $2
of file1
, they are created in the subDirectory. Thank you :).
I thought of, maybe these two lines:
...ANSWER
Answered 2020-Oct-28 at 16:48You may try this awk
:
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