gathered | Keep track of contacts and connects | Authentication library
kandi X-RAY | gathered Summary
kandi X-RAY | gathered Summary
Gathered is an open source mobile app built to help keep track of contacts and connects you make at your meetups with Gathered. Gathered is built majorly on the Meetup API, with Ionic 2 and Firebase. Available on the Play Store.
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QUESTION
I have run a topology, and I used the Meter type in metric Reporting API v2. In the execute method I mark this metric. So it will mark an event whenever the execute method is called. But when I compare this value with the __execute-count, I see huge differences. Does anyone know why this happens?
These are the values from my log which are gathered at the same time:
9:v7 __execute-count {v0:v7=44500}
9:v7 tuple_inRate.count 664129
Update: When I use the mark method on the Meter metric, I will get different results in comparison with the Counter metric. But still, I do not understand why the values from the counter metric (tuple counter) are not the same as the __execute-count.
...ANSWER
Answered 2021-Jun-11 at 06:51As given in this answer, Storms Internal Metrics are just estimated by a percentage of the real data flow. Initially, it uses 5% of incoming tuples to make those estimations. This may lead to inaccuracies for extreme high or low throughputs.
EDIT: The documentation describes the following:
In general all of these tuple count metrics are randomly sub-sampled unless otherwise stated. This means that the counts you see both on the UI and from the built in metrics are not necessarily exact. In fact by default we sample only 5% of the events and estimate the total number of events from that. The sampling percentage is configurable per topology through the topology.stats.sample.rate config. Setting it to 1.0 will make the counts exact, but be aware that the more events we sample the slower your topology will run (as the metrics are counted in the same code path as tuples are processed). This is why we have a 5% sample rate as the default.
EDIT 2 In this post, there is more information about the estimation:
The way it works is that if you choose a sampling rate of 0.05, it will pick a random element of the next 20 events in which to increase the count by 20. So if you have 20 tasks for that bolt, your stats could be off by +-380.
By the way, execute_count
is just an increasing number, while your tuple_inRate.count
is a rate, isn`t it?
QUESTION
I'm stuck to get data from gathered fact, using calculated data as part of query.
I am using 2.9 ansible and here is my task
...ANSWER
Answered 2021-Jun-13 at 20:44Remove the dot if you use the indirect addressing
QUESTION
What I am trying to accomplish is to pass the correct value from php to a jquery function. What is the proper way to get that value to my jquery function so that I can use it. Here is an example of how I tried to pass the php variable to the javascript function. Of course that does not give the desired effect.
index.php User starts typing in username and live search displays matching usernames in dropdown
...ANSWER
Answered 2021-Jun-13 at 02:54I would suggest you to pass the values via some data-* attribute of each td
.
QUESTION
I'm looking for anything that can help me deviate string GetRTTIClassName(IntPtr ProcessHandle, IntPtr StructAddress)
. The function would use another (third-party) app's process handle to get names of structures located at specific addresses in its memory (should there be found any).
All of RTTI questions/documentation I can find relate to it being used in the same application, and have nothing to do with process interop. The only thing close to what I'm looking for is this module in Cheat Engine's source code (which is also how I found out that it's possible in the first place), but it has over a dozen of nested language-specific dependencies, let alone the fact that Lazarus won't let me build it outside of the project context anyway.
If you know of code examples, libraries, documentation on what I've described, or just info on accessing another app's low-level metadata (pardon my French), please share them. If it makes a difference, I'm targeting C#.
Edit: from what I've gathered, the way runtime information is stored depends on the compiler, so I'll mention that the third-party app I'm "exploring" is a MSVC project.
As I understand, I need to:
- Get address of the structure based on address of its instance;
- Starting from structure address, navigate through pointers to find its name (possibly "decorated").
I've also found a more readable C# implementation and a bunch of articles on reversing (works for step 2), but I can't seem to find step 1.
I'll update/comment as I find more info, but right now I'm getting a headache just digging into this low-level stuff.
...ANSWER
Answered 2021-Jun-12 at 20:23It's a pretty long pointer ladder. I've transcribed the solution ReClass.NET uses to clean C# without dependencies.
Resulting library can be found here.
QUESTION
I have recently sourced and curated a lot of reddit data from Google Bigquery.
The dataset looks like this:
Before passing this data to word2vec to create a vocabulary and be trained, it is required that I properly tokenize the 'body_cleaned' column.
I have attempted the tokenization with both manually created functions and NLTK's word_tokenize, but for now I'll keep it focused on using word_tokenize.
Because my dataset is rather large, close to 12 million rows, it is impossible for me to open and perform functions on the dataset in one go. Pandas tries to load everything to RAM and as you can understand it crashes, even on a system with 24GB of ram.
I am facing the following issue:
- When I tokenize the dataset (using NTLK word_tokenize), if I perform the function on the dataset as a whole, it correctly tokenizes and word2vec accepts that input and learns/outputs words correctly in its vocabulary.
- When I tokenize the dataset by first batching the dataframe and iterating through it, the resulting token column is not what word2vec prefers; although word2vec trains its model on the data gathered for over 4 hours, the resulting vocabulary it has learnt consists of single characters in several encodings, as well as emojis - not words.
To troubleshoot this, I created a tiny subset of my data and tried to perform the tokenization on that data in two different ways:
- Knowing that my computer can handle performing the action on the dataset, I simply did:
ANSWER
Answered 2021-May-27 at 18:28First & foremost, beyond a certain size of data, & especially when working with raw text or tokenized text, you probably don't want to be using Pandas dataframes for every interim result.
They add extra overhead & complication that isn't fully 'Pythonic'. This is particularly the case for:
- Python
list
objects where each word is a separate string: once you've tokenized raw strings into this format, as for example to feed such texts to Gensim'sWord2Vec
model, trying to put those into Pandas just leads to confusing list-representation issues (as with your columns where the same text might be shown as either['yessir', 'shit', 'is', 'real']
– which is a true Python list literal – or[yessir, shit, is, real]
– which is some other mess likely to break if any tokens have challenging characters). - the raw word-vectors (or later, text-vectors): these are more compact & natural/efficient to work with in raw Numpy arrays than Dataframes
So, by all means, if Pandas helps for loading or other non-text fields, use it there. But then use more fundamntal Python or Numpy datatypes for tokenized text & vectors - perhaps using some field (like a unique ID) in your Dataframe to correlate the two.
Especially for large text corpuses, it's more typical to get away from CSV and instead use large text files, with one text per newline-separated line, and any each line being pre-tokenized so that spaces can be fully trusted as token-separated.
That is: even if your initial text data has more complicated punctuation-sensative tokenization, or other preprocessing that combines/changes/splits other tokens, try to do that just once (especially if it involves costly regexes), writing the results to a single simple text file which then fits the simple rules: read one text per line, split each line only by spaces.
Lots of algorithms, like Gensim's Word2Vec
or FastText
, can either stream such files directly or via very low-overhead iterable-wrappers - so the text is never completely in memory, only read as needed, repeatedly, for multiple training iterations.
For more details on this efficient way to work with large bodies of text, see this artice: https://rare-technologies.com/data-streaming-in-python-generators-iterators-iterables/
QUESTION
I am new to python . i am trying to run the below code but the results are not as expected:
...ANSWER
Answered 2021-Jun-06 at 21:17There is no need for the nested loop.
QUESTION
My eventual goal is to transform thousands of pdfs into a corpus / document term matrix to conduct some topic modeling. I am using the pdftools package to import my pdfs and work with the tm package for preparing my data for text mining. I managed to import and transform one individual pdf, like this:
...ANSWER
Answered 2021-Jun-05 at 05:52You can write a function which has series of steps that you want to execute on each pdf.
QUESTION
I have something like this as Dataframe:
Identificator Date Status ID1 2021-05-02 19:55:43 OK ID2 2021-05-02 19:48:01 FAILED ID3 2021-05-02 19:47:53 OK ID1 2021-05-03 19:55:43 OK ID2 2021-05-03 20:48:01 OK ID1 2021-05-04 19:55:43 FAILED ID1 2021-05-04 20:55:43 OK ID2 2021-05-04 19:48:01 OK ID3 2021-05-04 19:47:53 OKAs you can see there is no event on 2021-05-03 for ID3. In such cases I would like to add 1 line for ID3 on 021-05-03 00:00:00 with Status "MISSED". So the result to be:
Identificator Date Status ID1 2021-05-02 19:55:43 OK ID2 2021-05-02 19:48:01 FAILED ID3 2021-05-02 19:47:53 OK ID1 2021-05-03 19:55:43 OK ID2 2021-05-03 20:48:01 OK ID3 2021-05-03 00:00:00 MISSED ID1 2021-05-04 19:55:43 FAILED ID1 2021-05-04 20:55:43 OK ID2 2021-05-04 19:48:01 OK ID3 2021-05-04 19:47:53 OKAll IDs will have at least 1 real event in the dataframe, so they can be gathered from the first column.
Thank you so much for your support!
...ANSWER
Answered 2021-Jun-04 at 14:53Try with crosstab
find the 0 count value
QUESTION
I'm looking for help with R. I want to add three columns to existing data frames that contain time series data and have a lot of NA values. The data is about test scores. The first column I want to add is the first test score available. In the second column, I want the last test score available. In the third column, I want to calculate the derivative for each row by dividing the difference between the first and last scores by the number of tests that have passed. Important is that some of these past tests have NA values but I still want to include these when dividing. However, NA values that come after the last available test score I don't want to count.
Some explanation of my data: A have a couple of data frames that all have test scores of different people. The different people are the rows and each column represents a test score. There are multiple test scores per person for the same test in the data frame. Column T1 shows their first score, T2 the second score, which was gathered a week later, and so on. Some people have started sooner than others and therefore have more test scores available. Also, some scores at the beginning and the middle are missing for various reasons. See the two example tables below where the index column is the actual index of the data frame and not a separate column. Some numbers are missing from the index (like 3) because this person had only NA values in their row, which I removed. It is important for me that the index stays this way.
Example 1 (test A):
INDEX T1 T2 T3 T4 T5 T6 1 NA NA NA 3 4 5 2 57 57 57 57 NA NA 4 44 NA NA NA NA NA 5 9 11 11 17 12 NAExample 2 (test B):
INDEX T1 T2 T3 T4 1 NA NA NA 17 2 11 16 20 20 4 1 20 NA NA 5 20 20 20 20My goal now is to add to these data frames the three columns mentioned before. For example 1 this would look like:
INDEX T1 T2 T3 T4 T5 T6 FirstScore LastScore Derivative 1 NA NA NA 3 4 5 3 5 0.33 2 57 57 57 57 NA NA 57 57 0 4 44 NA NA NA NA NA 44 44 0 5 9 11 11 17 12 NA 9 12 0.6And for example 2:
INDEX T1 T2 T3 T4 FirstScore LastScore Derivative 1 NA NA NA 17 17 17 0 2 11 16 20 20 11 20 2.25 4 1 20 NA NA 1 20 9.5 5 20 20 20 20 20 20 0I hope I have made myself clear and that someone can help me, thanks in advance!
...ANSWER
Answered 2021-Jun-02 at 07:12I think you can use the following solution. It surprisingly turned out to be a little verbose and convoluted but I think it is quite effective. I assumed that if the Last
available score is not actually the last T
, so I need to detect its index and divide the difference by it meaning NA
values after the last one do not count. Otherwise it is divided by the number of all T
s available.
QUESTION
I have been working on a project using the ESP32 with the ESP-IDF that will check it's NVS memory for wifi credentials before starting the network stack. If it has said credentials, it will connect to the wifi network in STA mode, if it lacks them, it will launch as it's own AP to allow the user to send it the credentials over HTTP.
After manually putting my test credentials into NVS, I started working on the AP code. Once all the AP code and logic was complete, I manually wiped the flash memory with esptool to force the board to launch in that mode. Doing so worked fine, and I was able to send it the updated credentials over HTTP.
At this point, the board attempted to connect as STA upon reset, however, the SYSTEM_EVENT_STA_WPS_ER_PIN
event kept being caught by the wifi event loop. The board has since only experienced this event and has been completely unable to connect to wifi since. To make matters stranger, even after rolling back to a previous version with git, the problem still persists.
main.c
...ANSWER
Answered 2021-May-22 at 13:33Useful to solve the problem. I'm in the proces of learning to use the ESP32 wifi, read your message checked, the ESP-idf and esp-32 technical manual not much info there I found this URI https://www.wi-fi.org/downloads-public/Wi-Fi_Protected_Setup_Best_Practices_v2.0.2.pdf/8188
Kind regards
Update: check the sdkconfig file in your projectmap against the one in the example map for wifi config settings.
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