rpp | Rashi Plus Plus - the new Hebrew scripting language | Script Programming library
kandi X-RAY | rpp Summary
kandi X-RAY | rpp Summary
Interpreted, untyped, object-oriented and super cool.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of rpp
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mkdir build
cd build
cmake ..
make
Community Discussions
Trending Discussions on rpp
QUESTION
How would I get the IP addresses of all ips connected to wifi (that I am on). I tried doing it by using sniff() and getting all src IP of those packets using the following lines:
...ANSWER
Answered 2022-Jan-05 at 03:18Forgive me if I'm misunderstanding your question.. what you're trying to do is map all live hosts on your LAN?
A simpler approach is to use the builtin ipaddress
and socket
libraries. For each IP in your LAN subnet, try connecting a socket to various ports (TCP/UDP). If a connection is established, a host exists at that IP.
Here's some code I can think of that might solve your problem (I have not tested this myself)
QUESTION
I have two files
File_A.txt
...ANSWER
Answered 2021-Apr-17 at 11:45This awk
should work for you:
QUESTION
I have four categorial features and a fifth numerical one (Var5). When I try the following code:
...ANSWER
Answered 2021-Apr-13 at 18:38The problem with your code is that you have encoded the categorical features in X_train
but not in X_test
, and therefore when you run model.predict(X_test)
you get an error message. In order to fix this problem, at first you need to fit the encoder to X_train
, and then use the encoder to transform both X_train
and X_test
. See the code below for an example.
QUESTION
So first of all I'm new in Flutter. I want to use current sign in user id from firebase as filter from data that i want to show in apps.Please Help Me.
here is the user id from wrapper.dart I want to use.
...ANSWER
Answered 2020-Nov-26 at 21:28Try using onAuthStateChanged() instead. You can check if the user is logged in by adding this Stream to a Streambuilder. Any time the user logs out or in, the Stream automatically updates. Then wrap your Home widgets with a FutureBuilder and pass the currentUser() future. This will return a snapshot containing the user information, such as email and uid.
Finally, you can filter widgets by checking if the uid is the same as the given one. For example, if a user is admin or not.
wrapper.dart
QUESTION
I have the below query. It currently takes 5.5 hours to execute with the results of 5,838 rows. The whole thing runs in less than 2 minutes if I remove the timestamp limiter and just run it against all the results of the views.
I am looking for a way to make this execute faster when trying to limit the time/date range and am open to any suggestions. I can go into more detail about the datasets if needed.
...ANSWER
Answered 2020-Oct-14 at 04:28I'm assuming m and k are views, and potentially rather complex ones and/or having GROUP BY statements.
I'm guessing that when you look at the execution plans and/or statistics, it will actually be running at least one of the views many times - e.g., one for each row in the other view.
Quick fix
If you are able to (e.g., it's in a stored procedure) I suggest the following process
- Creating temporary tables with the same structures as m and k (or with relevant columns for this purpose). Include columns for the modified versions of ckt (e.g., ints for both). Consider a PK (or at least clustered index) of sourcename and ckt (the int) for both temporary tables - it may help, or may not.
- Run m and k views independently, storing results in these temporary tables. Use filtering (e.g., WHERE clause on timestampserverlocal) and potentially the relevant GROUP BY clauses to reduce the number of rows created.
- Run the original SQL but using the temporary tables rather than the views, and without the need for the WHERE clause. It may still need the GROUP BY.
Longer fix
I suggest doing the quick fix first to confirm that the running-views-many-times is the problem.
If it does (and the issue is that the views are being run many times) one longer fix is to stop using the views in the FROMs, and instead putting it all together in one query and then trying to simplify the code.
QUESTION
I'm currently trying to learn how to use Tweepy. I keep getting an 'SyntaxError: invalid syntax' on the print line, and I'm not sure why.
Relevant Code
...ANSWER
Answered 2020-Oct-10 at 02:49if python 2.7 then use format method
QUESTION
I am having a small issue with getting the treeview to resize to the tkinter window and can't seem to get an answer from google. The code below works fine except for the fact it seems to have a fixed size inside the "screen". I have tried various versions of "fill" and "stretch" but I just can't seem to get it right. Can anyone shed some light on this for me?
Code:
...ANSWER
Answered 2020-Sep-19 at 23:16Try saying this first:
QUESTION
As title says, does someone know why the image doesn't get uploaded? I'm trying to make a propic image upload page but image doesn't get uploaded.
This is the HTML form:
...ANSWER
Answered 2020-Jun-15 at 14:56It is because, $_POST['propic']
will always been empty,
this should be $_FILES['propic']
You better use this
QUESTION
I'm quite familiar with python and only know the basics of R; so for a class that requires "use of R", I'm leaning heavily on the library, "reticulate".
I've used this a number of times over the past month or two without issues; however, today I defined a class. I instantiated the class without issues but when I tried to call a method it returned the error AttributeError: 'TweetGrabber' object has no attribute 'user_search'
I'll break my code up into what has worked and what has not, starting with the working:
...ANSWER
Answered 2020-Mar-23 at 22:52TL;DR: In the REPL, empty lines mark the end of the class body. What follows is defined in the global scope rather than in the class scope.
It seems that whatever content follows the repl_python()
is directly pasted into the Reticulate REPL (stripping excess indentation). Here an empty line denotes the end of the class definition. After the code for your __init__
follows an empty line and hence the class definition ends here. The following functions are not defined in class scope but instead in the global scope. Consider the following example where I paste some sample code for a class below:
QUESTION
I'm struggling with getting decimal places to display in 2 areas of my page.
I've got a page with a range slider, a read only value that gets displayed on the page and a text entry box for manual entry by the user of a price. I'd like for the following to happen (but it doesnt at the moment):
- When a user adjusts the range slider the read only value "New suggestion" consistently returns a value to 2 decimal places. It does this at the moment except when the value ends in a 0 (zero), but I'd like it to always include the zero.
- When a user adjusts the range slider the text entry box value "Adjust here" consistently returns a value to 2 decimal places. At the moment it returns anything before the decimal place, so if the user adjusted the range slider to 10.41 then the text entry box would only show 10, but I'd like it show the full 10.41.
I've tried a whole load of different possible ideas that I've found on this site and on codepen to try to get it to work but whatever I try doesnt work and I'm somewhat stuck! Worth noting that I'm very new to JavaScript and have only got this far by cobbling together other answers from this site.
Heres the code as it stands at the moment:
The HTML:
...ANSWER
Answered 2020-Feb-28 at 07:34Convert the number to float
instead of int
. Only a floating number has decimal notation, intiger number does not have a decimal notation. Changing parseInt
to parseFloat
will do the job here. Check the updated snippet
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