HOPE | Order-preserving key encoder | Key Value Database library
kandi X-RAY | HOPE Summary
kandi X-RAY | HOPE Summary
HOPE is a fast dictionary-based compressor that encodes arbitrary byte-strings while preserving their order. It is optimized for compressing database index keys. Detailed description can be found in our SIGMOD paper.
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Trending Discussions on HOPE
QUESTION
I have a dataset with many columns and I'd like to locate the columns that have fewer than n unique responses and change just those columns into factors.
Here is one way I was able to do that:
...ANSWER
Answered 2021-Jun-15 at 20:29Here is a way using tidyverse
.
We can make use of where
within across
to select the columns with logical short-circuit expression where we check
- the columns are
numeric
- (is.numeric
) - if the 1 is TRUE, check whether number of distinct elements less than the user defined n
- if 2 is TRUE, then check
all
theunique
elements in the column are 0 and 1 - loop over those selected column and convert to
factor
class
QUESTION
I am trying to generate a table to record articles published each month. However, the months I work with different clients vary based on the campaign length. For example, Client A is on a six month contract from March to September. Client B is on a 12 month contract starting from February.
Rather than creating a bespoke list of the relevant months each time, I want to automatically generate the list based on campaign start and finish.
Here's a screenshot to illustrate how this might look:
Below is an example of expected output from the above, what I would like to achieve:
Currently, the only month that's generated is the last one. And it goes into A6 (I would have hoped A5, but I feel like I'm trying to speak a language using Google Translate, so...).
Here's the code I'm using:
...ANSWER
Answered 2021-Jun-15 at 11:11Make an Array with the month names and then loop trough it accordting to initial month and end month:
QUESTION
I am trying to make a simple script that checks if the users ID is the one in the script.
But I can't seem to figure it out.
I hope you guys can help me.
...ANSWER
Answered 2021-Jun-15 at 19:17Just add them to an array and check if the current author's ID is in that array:
QUESTION
Trying to use Impact font in my html email, which is working fine in Outlook 365 windows and web clients, as well as Gmail client in browser, but the iOS native Mail app, Gmail app and Outlook apps all default back to arial. What am I missing?
Here's the table in question. Class is leftover from a MS port, and I'm leaving it in in the hopes that it improves mso performance, but all it's really doing is setting default font-family, font-size and margin (0).
...ANSWER
Answered 2021-Jun-15 at 05:24Impact may not be 'websafe' then, as it appears to NOT be installed on Androids and iOS (mobile), otherwise it would work. Unless the class "MsoNormal" has a different font-family on it. (I would remove that, it's not necessary or related to performance.)
If that fails, you'll need you to use @font-face
to load it in from a public website. Keep in mind @font-face
is not supported on everything: https://www.caniemail.com/features/css-at-font-face/
As a fallback, you might like to use a similar font, via Google Fonts which is already setup for this: https://fonts.google.com/specimen/Anton
But to make it work on absolutely everything, you'll need to save it as an image, and load in as
QUESTION
I have two functions one thats triggered on a mouseenter event and the other on mouseleave. Both of these functions are repeated three times.
On mouseenter the classlist "active" is addded 5x and the text content is changed.
On mouseleave the classlist active is removed 5x and the text content is set to an empty string, and the original image is displayed again.
When the mouseenter event listener is triggered, Depending on which image is being hovered (3 images).
the text content property that gets added various between the three "Photosnap" "Dine" "Nike".
As-well as the background color that gets triggered various between "red" "blue" "pink".
Hover state shown as red left image and normal state shown as right image
-The image shown here is one of three. It is displayed with a red background and the text content of "photosnap".
-The other with a blue background and the text content of "Dine".
-The third and final with a pink background and the text content of "Nike".
I hope this paints a clear picture i am having a hard time making this a code snippet.
I am trying to refactor this javascript so its not so repetitive. I'm new to javascript and having a hard time getting this to work as something other than what i currently have. I'm not clear on how to make a function that i can call inside of other functions to cut down on the repeated code. Or possibly use the "this" keyword ?
Javascript--
...ANSWER
Answered 2021-Jun-15 at 17:23Yes you're using 3 times the same function, so we sure can do better. Here is a first simple idea, make a loop on the tree elements :
JAVASCRIPT
QUESTION
I'm making a POC with Lumen and Vue.JS. For now it just has to send a "hello world" message from the Lumen back-end to the Vue.JS front-end (which works). I have made an event which is triggered upon loading the page like this:
...ANSWER
Answered 2021-Jun-15 at 16:42Fix composer.json
I have created an issue on the PHP package: https://github.com/pusher/pusher-http-php/issues/295
It is true this version is broken, but the fix should be in the composer.json
file. Mine looked like this:
QUESTION
I am saving data in my SQL for my school homework
I don't want to update all that data one by one because it is too much would definitely end up finishing it up in the morning.
So I want to automatically update the data when I will modify it
as an example, if the sequence of the data is 1, 2, 3, 4, 5, .... and so on.
If add a data should on the place of 2nd position so the serial number of 2nd will automatically get updated to 3rd and 3rd to fourth and so on.
Hope I defined well 😅😅.
Thanks for your help.... have a nice day :)
...ANSWER
Answered 2021-Jun-15 at 15:23There's no way to insert and automatically push all the other sequence numbers up. You need to do that explicitly.
QUESTION
My dataframe looks something like these
...ANSWER
Answered 2021-Jun-15 at 13:55You can use duplicated
and set keep=False
in order to mark all duplicates as True
.
QUESTION
Populating the column values from other rows based on the col1 values containing the names.
Hi, guys, forgive me for my poor English, I hope I'm able to explain my query properly. I've tried grouping by col1 but I'm confused about how to achieve the target. Please help!!
Input Dataframe:
...ANSWER
Answered 2021-Jun-15 at 12:59Try:
QUESTION
I'm trying to put a text before and after the Var content. Unfortunately I was able to put the text only after. I'm a fan, so I don't know Js very well.
I hope to find a solution here, further info below.
My content currently looks like this: 0.000 Kcal (this is an html placeholder)
When the function is executed, the content looks like this: x.xxx Kcal (this is the result of the function + text after var)
What I'm trying to do should be like this: BMR x.xxx Kcal (so add some text before the numbers, but it is not html)
Below is the code.
...ANSWER
Answered 2021-Jun-15 at 12:17This way you can change the characters in the HTML.
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