frugal | Apache Thrift which provides additional functionality | HTTP library
kandi X-RAY | frugal Summary
kandi X-RAY | frugal Summary
Frugal is an extension of Apache Thrift which provides additional functionality. Key features include:. Frugal is intended to act as a superset of Thrift, meaning it implements the same functionality as Thrift with some additional features. For a more detailed explanation, see the documentation.
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QUESTION
Is there a way to convert uniformly distributed random numbers of one range to uniformly distributed random numbers of another range frugally?
Let me explain what I mean by "frugally".
The typical approach to generate random number within given range (e.g. r ∈ [0..10) ) is to take some fixed random bits, let's say 31, which result non-negative random number less than 2147483648. Then make sure that the value is less than 2147483640 (because 2147483648 is not divisible by 10, and hence may lead to uneven distribution). If the value is greater or equal to 2147483640, throw it away and try again (get next 31 random bits and so on). If value if less than 2147483640, then just return the remainder of division by 10. This approach consumes at least 31 bit per decimal digit. Since theoretical limit is log2(10) = 3.321928..., it is quite wasteful.
We can improve this, if we use 4 bits instead if 31. In this case we will consume 4 × 1.6 = 6.4 bits per decimal digit. This is more frugal, but still far from the ideal.
...ANSWER
Answered 2020-Aug-26 at 12:34Keep adding more digits. Here's some Python to compute expected yields (this is slightly worse for a particular value of n than your approach because it doesn't save leftover bits, but it's good enough to make my point):
QUESTION
I heard a "rumour" that Cloudera's set mem_limit=xxx; acts more like a throttle rather than a stop sign. However, my experience with it makes me believe it to be a stop sign:
It simply crashes the query with an error rather than making the query more frugal if the query exceeds the memory limit.
Is there any evidence to support the notion that Impala will make a query run longer but slower with less memory to stay below a mem_limit threshold?
...ANSWER
Answered 2020-Aug-15 at 20:11I can confirm the "rumour".I worked on the spill-to-disk support and other memory management in Impala so it does in fact exist and work.
I could be more specific given a version and an example of the query and the error. This has been incrementally improved from release to release as we fixed and improved more and more cases. Impala 3.1 has most of the improvements, but there were significant ones before and after that.
There are some known cases where you will hit a memory limit exceeded even on the latest and greatest. For example, a big cross join will eventually run out of memory.
QUESTION
For some library functionality I'm trying to rename the layers (including the input layers) of a given model.
The following minimal example shows the error I run into with my current approach (using TensorFlow 2.3):
...ANSWER
Answered 2020-Aug-14 at 14:26Problem: Keras serializes the network by traversing layer._inbound_nodes and comparing against model._network_nodes; when setting layer._name, latter persists original names.
Solution: rename _network_nodes accordingly. Working function at bottom, with example below:
QUESTION
I searched for such information on this topic for days, but there isn't much in the internet about this special use case of mine.
My goal is to write programs or modules that I want to deploy later on specific hardware as docker containers. Precisely, I write my program, then I build it as a docker image and finally I deploy it on the hardware and run it.
It's interesting here to know which languages would take less hardware resources (I guess C?). The hardware (in my case) is not powerful, therefore I need to be frugal and try to save as much resources as I can so that my program run smoothly and does not take much resources.
I worked until now with C# and hence, I must install the C# or dotnet runtime on the hardware if i want my C# code to be able to run on it, right? However, I noticed that C# was a bad idea since it is consuming a lot of resources (RAM etc.. (maybe because of the dotnet runtime?)). I also noticed that the size of my C# program is larger than other programs written in C++.
The obvious choice here is to maybe go lower and switch to C++ but I want to be fast in the development and I'm not good at C/C++. Therefore I thought of using Python. Now I don't know whether this would be worse than C# or better. So would python take more resources eventually than C#?
I assume I must deploy the python interpreter in the docker container on the hardware in order to run the python scripts on the hardware, am I right? So would the python interpreter take less resources than the dotnet runtime? in other words which one is more lightweight?
I know that C/C++ are faster in the execution than most languages, but do they take less resources than other languages as well if deployed as docker containers? If yes, are there other alternatives to C/C++ in this specific use case?
PS: Please notice I'm not talking about execution speed here, I know that interpreted languages are generally slower, but that is not my goal here. I want to know which languages could be more useful for my use case. It would be helpful if you guys give me examples from your own experiences.
...ANSWER
Answered 2020-Jul-21 at 18:12Two rules of thumb here:
- A compiled language will almost always be significantly faster and lighter-weight than an interpreted language
- Languages with an involved library stack or runtime system will be heavier-weight than those without
So, compiled languages with minimal runtimes (C, Go, Rust) will wind up being smallest. C++ is a little heavier-weight but should also be on par with these. If C# needs the whole .Net runtime to run then that will in fact be heavier-weight. My experience is a little more with JVM-based languages (Java, Scala) and there the JVM has remained a fairly large component, though its runtime performance is pretty good. As an interpreted language, Python will probably be much slower than any of the above, and it requires more resources to do basic things, but the core Python interpreter and libraries might wind up being physically smaller than the .Net runtime.
Looking at specific Docker images, python:3.8.4-slim is 51.85 MB, which is pretty small. I can't easily find the size of the .NET Core image Microsoft publishes, but the tar file referenced in the .NET Core runtime 3.1 Alpine Dockerfile is about 30 MB compressed; if that's an accurate representation of the image's size it's comparable to the Python image (and also is fairly small).
The one other Docker-specific note is that you should make use of multi-stage builds to keep compilers and other build tools out of your final image. The exact mechanism for doing this is pretty language-specific; in the C/C++/Go/Rust world you generally would have a "normal" Dockerfile that builds the application, followed by a second stage that COPY --from=build only the compiled binary and not the toolchain.
QUESTION
I have a quiz that takes the scores the responses against categories and displays the results in a new page. It works but I want to make two adjustments:
- I want to change the link on page one to generate the results to a button.
- I want the results to display beneath the button instead of a new page. This link is what I'm trying to accomplish, but I can't figure out how to apply it to my code.
ANSWER
Answered 2020-Jul-21 at 02:25Here you go
QUESTION
Web newbie. I'm setting up a family website for sharing photos, etc. I plan to purchase my own domain name and will rent space on some hosting platform. I'm thinking ahead and will eventually want to create two more websites (another family website for my father's side of the family and a personal one for me). The frugal side of me would like to limit the number of domains and hosts I have to purchase/rent.
I want the family websites to be hidden as much as possible (no SEO and requiring a login just to get to the main page), but I want my personal website to be public.
So far, what I've read says the above is difficult or cumbersome to do with wordpress multisite. If this is true, then is it safe to assume separate wordpress installs are more appropriate? Or, should I consider a new/different domain for my personal website?
Thanks,
Jim
...ANSWER
Answered 2020-May-17 at 13:24I would:
- Buy one domain example.com
- Buy one hosting (shared or VPS if you have the skills)
- Create multiple independent Wordpress, and use subdomain site1.example.com, site2.example.com
- protect some websites with Htaccess (some free plugin may also do the trick, but with htaccess you are sure Crawler (like Google) won't access it.
QUESTION
I am doing a University project to create a plan ordering ticket program, so far these are what I have done:
First, this is the function finding the seat type:
...ANSWER
Answered 2020-Jan-18 at 06:58- First let me explain what happends when you write.
return price, typeofTrip[trip]. - The above line will return a tuple of two values.
- Now for sumprice I think what you want is sum of all prices. So you just want to sum first element of returned values.
- This should work for your case.
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