PTable | simple Python library designed make

by kxxoling Python Version: Current License: Non-SPDX

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PrettyTable is a simple Python library designed to make it quick and easy to represent tabular data in visually appealing ASCII tables.

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Community Discussions

Trending Discussions on PTable

Get Row data associated with max value after pivoting the df using pandas

Sorting method not comparing single digits Python

core.js:4002 ERROR Error: Uncaught (in promise): NullInjectorError: StaticInjectorError(AppModule)[Table -> FilterService]:

How to ajax call for data to expand table row for more information

Pearson hash 8-bit implementation is producing very non-uniform values

sharing internet connection from two different connections with iptables

Is there an easy way to find the 'coordinates' of an element in a pandas dataframe?

left outer join returning multiple records

How to write query with additional count column using JPA Criteria Builder

How to loop through start urls in csv file scrapy

QUESTION

Get Row data associated with max value after pivoting the df using pandas

Asked 2021-Jun-08 at 19:58

I have the pandas dataframe which look like this.

...

ANSWER

Answered 2021-Jun-08 at 19:58

Update include greater than 100:

Source https://stackoverflow.com/questions/67893141

QUESTION

Sorting method not comparing single digits Python

Asked 2021-May-08 at 18:38

I'm trying to do a sort by descending order using pandas in python with the percentage column, unfortunately, it's not comparing 1 digit with 2 digit floats.

This is my code:

...

ANSWER

Answered 2021-May-08 at 18:38

This has to be problem with the datatype, I suggest you to check the dtype of the column:

Source https://stackoverflow.com/questions/67450931

QUESTION

core.js:4002 ERROR Error: Uncaught (in promise): NullInjectorError: StaticInjectorError(AppModule)[Table -> FilterService]:

Asked 2021-Apr-20 at 07:33

I am trying to use PrimeNg Table control in my application - a beginner in PrimeNg & Angular as well and am getting an error No provider for FilterService! as below

core.js:4002 ERROR Error: Uncaught (in promise): NullInjectorError: StaticInjectorError(AppModule)[Table -> FilterService]:
StaticInjectorError(Platform: core)[Table -> FilterService]: NullInjectorError: No provider for FilterService! NullInjectorError: StaticInjectorError(AppModule)[Table -> FilterService]: StaticInjectorError(Platform: core)[Table -> FilterService]: NullInjectorError: No provider for FilterService! at NullInjector.push../node_modules/@angular/core/fesm5/core.js.NullInjector.get (core.js:725) at resolveToken (core.js:11918) at tryResolveToken (core.js:11862) at StaticInjector.push../node_modules/@angular/core/fesm5/core.js.StaticInjector.get (core.js:11764) at resolveToken (core.js:11918) at tryResolveToken (core.js:11862) at StaticInjector.push../node_modules/@angular/core/fesm5/core.js.StaticInjector.get (core.js:11764) at resolveNgModuleDep (core.js:20234) at NgModuleRef_.push../node_modules/@angular/core/fesm5/core.js.NgModuleRef_.get (core.js:20905) at resolveDep (core.js:21276) at resolvePromise (zone.js:852) at resolvePromise (zone.js:809) at zone.js:913 at ZoneDelegate.push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invokeTask (zone.js:423) at Object.onInvokeTask (core.js:26247) at ZoneDelegate.push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invokeTask (zone.js:422) at Zone.push../node_modules/zone.js/dist/zone.js.Zone.runTask (zone.js:195) at drainMicroTaskQueue (zone.js:601) at ZoneTask.push../node_modules/zone.js/dist/zone.js.ZoneTask.invokeTask [as invoke] (zone.js:502) at invokeTask (zone.js:1693)

What I have done

I have installed PrimeNg as given in the PrimeNg Getting Started set up .
After that I have added the below in app.module.ts

import { ButtonModule } from 'primeng/button';
...

ANSWER

Answered 2021-Apr-20 at 07:33

It should work as per your changes. Error is saying filter service is not provided in module providers array.

Try to add import { FilterService } from 'primeng/api'; and add FilterService in to your module providers array.

Source https://stackoverflow.com/questions/67173096

QUESTION

How to ajax call for data to expand table row for more information

Asked 2021-Feb-11 at 05:56

In the ajax call below, the variable shtml is empty. What is the correct way to assign the value to the variable? If I return it inside the success function I get a "Uncaught TypeError: Cannot read property 'show' of undefined" error. row.child(moreinfo(row.data())).show();

...

ANSWER

Answered 2021-Feb-11 at 05:54

As you are working with ajax it will execute asynchronously. Thus on execution $.ajax(, it will not wait for response to come and go to next line which is return shtml; So, your shtml will always return "".

To solve your problem you can change your code as below.

Update parameters in moreinfo as moreinfo(row, tr).
Get d value inside moreinfo with let d = row.data();.
Add row.child(shtml).show(); & tr.addClass('shown'); inside success callback from $.ajax.
Call moreinfo(row, tr); from click.

Source https://stackoverflow.com/questions/66146145

QUESTION

Pearson hash 8-bit implementation is producing very non-uniform values

Asked 2021-Jan-20 at 21:15

I am implementing a pearson hash in order to create a lightweight dictionary structure for a C project which requires a table of files names paired with file data - I want the nice constant search property of hash tables. I'm no math expert so I looked up good text hashes and pearson came up, with it being claimed to be effective and having a good distribution. I tested my implementation and found that no matter how I vary the table size or the filename max length, the hash is very inefficient, with for example 18/50 buckets being left empty. I trust wikipedia to not be lying, and yes I am aware I can just download a third party hash table implementation, but I would dearly like to know why my version isn't working.

In the following code, (a function to insert values into the table), "csString" is the filename, the string to be hashed, "cLen" is the length of the string, "pData" is a pointer to some data which is inserted into the table, and "pTable" is the table struct. The initial condition cHash = cLen - csString[0] is somethin I experimentally found to marginally improve uniformity. I should add that I am testing the table with entirely randomised strings (using rand() to generate ascii values) with randomised length between a certain range - this is in order to easily generate and test large amounts of values.

...

ANSWER

Answered 2021-Jan-20 at 21:15

FYI (This is not an answer, I just need the formatting) These are just single runs from a simulation, YMMV.

distributing 50 elements randomly over 50 bins:

Source https://stackoverflow.com/questions/65816078

QUESTION

sharing internet connection from two different connections with iptables

Asked 2020-Oct-20 at 09:17

I have wrote a c++ code to share internet from wlan0 or eth1 with eth0 and code works properly.

code to share eth1 with eth0:

...

ANSWER

Answered 2020-Oct-20 at 09:17

Well I have figured out the solution, first of all I have a SIMCARD and a WIFI connection, the SIMCARD connection was ppp0 instead of eth1, my first mistake...

the second problem was when I had WIFI connected the ppp0 was not able to ping any destination and could not connect to internet, so I needed to turn off WIFI with "nmcli r wifi off" command, before sharing my ppp0 connection with eth0.

so the final code is:

code to share wlan0:

Source https://stackoverflow.com/questions/64428220

QUESTION

Is there an easy way to find the 'coordinates' of an element in a pandas dataframe?

Asked 2020-Sep-28 at 13:47

I have a dataframe 'ptable' which looks like this:

We were given a very easy task of finding one value in the dataframe, the boiling point of argon. Their sample solution was to simply do this (this is a very basic course in computer science for chemists):

...

ANSWER

Answered 2020-Sep-28 at 13:16

Here is my solution:

Source https://stackoverflow.com/questions/64102481

QUESTION

left outer join returning multiple records

Asked 2020-Aug-29 at 22:59

The below query is returning duplicate/multiple records. Is there a way the second left join performed on distinct IDs of SW.MTableId.

...

ANSWER

Answered 2020-Aug-29 at 22:42

You want all rows from rtable and all rows from etable.
You want those rows from ttable that don't have a match in these previous two tables.
You want those rows from ftable that don't have a match in these previous three tables.
You want those rows from stable that don't have a match in these previous four tables.

And you consider null a value, i.e. you consider null = null a match.

Here is the query doing this step by step.

Source https://stackoverflow.com/questions/63650114

QUESTION

How to write query with additional count column using JPA Criteria Builder

Asked 2020-Aug-19 at 09:57

I am struggling to write a JPA query that would return all P objects that are in database and next to them I want to have count of their S children that have propertyA = 1.

SQL query

Select p.*, (Select count(s.id) from s_table s WHERE p.id = s.p_id and s.propertyA = 1) from p_table p

The mapping:

...

ANSWER

Answered 2020-Aug-19 at 09:57

CriteriaBuilder cb = entityManager.getCriteriaBuilder();
CriteriaQuery cq = cb.createQuery(MyPojo.class);

Root rootPTable = cq.from(PTable.class);
Join joinSTable = rootPTable.join(PTable_.sSet);

Subquery sqCount = cq.subquery(Long.class);
Root sqRootSTable = sqCount.from(STable.class);
Join sqJoinPTable = sqRootSTable.join(STable_.pSet);

sqCount.where(cb.and(
    cb.equal(sqJoinPTable.get(PTable_.id),rootPTable.get(PTable_.id)),
    cb.equal(sqRootSTable.get(STable_.propertyA),"1")));

sqCount.select(cb.count(sqRootSTable));

cq.multiselect(
    rootPTable.get(PTable_.id),
    rootPTable.get(PTable_.version),
    rootPTable.get(PTable_.subject),
    joinSTable.get(STable_.id),
    sqCount.getSelection(),
);

Source https://stackoverflow.com/questions/63471849

QUESTION

How to loop through start urls in csv file scrapy

Asked 2020-Jul-30 at 17:02

So basically it worked for some reason the first time I ran the spider but after that its only scraping one URL.

-My program is grabbing the parts i want to scrape from a list.

-Converts the list of parts too a URL from a file.

-Runs and grabs the data i want and inputs into a csv file.

The Problem: Only getting output from one URL do not know where to go from here I have checked other resources and tried making a start_request. The result is still the same.

So basically how can I get it to use all the start_urls and iterate through each of them not just the last one?

Here is the Spider:

...

ANSWER

Answered 2020-Jul-30 at 14:54

Now, with the execution logs I can tell you there are two issues in the spider, none seem to be related to to the start_urls.

First exception:

Source https://stackoverflow.com/questions/63162755

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