mem | Proportional and monospaced sans light pixel font family | User Interface library

 by   oidoid HTML Version: Current License: GPL-3.0

kandi X-RAY | mem Summary

kandi X-RAY | mem Summary

mem is a HTML library typically used in User Interface applications. mem has no bugs, it has no vulnerabilities, it has a Strong Copyleft License and it has low support. You can download it from GitHub.

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              mem has a low active ecosystem.
              It has 41 star(s) with 1 fork(s). There are 1 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              mem has no issues reported. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of mem is current.

            kandi-Quality Quality

              mem has 0 bugs and 0 code smells.

            kandi-Security Security

              mem has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              mem code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              mem is licensed under the GPL-3.0 License. This license is Strong Copyleft.
              Strong Copyleft licenses enforce sharing, and you can use them when creating open source projects.

            kandi-Reuse Reuse

              mem releases are not available. You will need to build from source code and install.
              Installation instructions, examples and code snippets are available.
              It has 30258 lines of code, 0 functions and 3 files.
              It has low code complexity. Code complexity directly impacts maintainability of the code.

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            mem Key Features

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            mem Examples and Code Snippets

            No Code Snippets are available at this moment for mem.

            Community Discussions

            QUESTION

            Splitting owned array into owned halves
            Asked 2022-Jan-05 at 03:59

            I would like to divide a single owned array into two owned halves—two separate arrays, not slices of the original array. The respective sizes are compile time constants. Is there a way to do that without copying/cloning the elements?

            ...

            ANSWER

            Answered 2022-Jan-04 at 21:40
            use std::convert::TryInto;
            
            let raw = [0u8; 1024 * 1024];
                
            let a = u128::from_be_bytes(raw[..16].try_into().unwrap()); // Take the first 16 bytes
            let b = u64::from_le_bytes(raw[16..24].try_into().unwrap()); // Take the next 8 bytes
            

            Source https://stackoverflow.com/questions/70584662

            QUESTION

            Activiti 6.0.0 UI app / in-memory H2 database in tomcat9 / java version "9.0.1"
            Asked 2021-Dec-16 at 09:41

            I just downloaded activiti-app from github.com/Activiti/Activiti/releases/download/activiti-6.0.0/… and deployed in tomcat9, but I have this errors when init the app:

            ...

            ANSWER

            Answered 2021-Dec-16 at 09:41

            Your title says you are using Java 9. With Activiti 6 you will have to use JDK 1.8 (Java 8).

            Source https://stackoverflow.com/questions/70258717

            QUESTION

            ElasticSearch Accessing Nested Documents in Script - Null Pointer Exception
            Asked 2021-Dec-07 at 10:49

            Gist: Trying to write a custom filter on nested documents using painless. Want to write error checks when there are no nested documents to surpass null_pointer_exception

            I have a mapping as such (simplified and obfuscated)

            ...

            ANSWER

            Answered 2021-Dec-07 at 10:49
            TLDr;

            Elastic flatten objects. Such that

            Source https://stackoverflow.com/questions/70217177

            QUESTION

            Address already in use for puma-dev
            Asked 2021-Nov-16 at 11:46
            Problem

            Whenever I try to run

            ...

            ANSWER

            Answered 2021-Nov-16 at 11:46
            Why

            Well, this is interesting. I did not think of searching for lsof's COMMAND column, before.

            Turns out, ControlCe means "Control Center" and beginning with Monterey, macOS does listen ports 5000 & 7000 on default.

            Solution
            1. Go to System Preferences > Sharing
            2. Uncheck AirPlay Receiver.
            3. Now, you should be able to restart puma as usual.

            Source: https://developer.apple.com/forums/thread/682332

            Source https://stackoverflow.com/questions/69718732

            QUESTION

            Deleting polymorphic objects allocated with C++17 pmr memory resource
            Asked 2021-Nov-04 at 14:23

            I would like to build up a tree consisting of polymorphic objects of type Node which are allocated with a custom PMR allocator.

            So far, everything functions well, but I cannot figure out how to properly delete polymorphic objects allocated with a non-standard allocator?? I have only come up with a solution to declare a static object holding a reference to a std::pmr::memory_resource.. but that's nasty. Is there any "right" way to delete custom-allocated polymorphic objects ?

            Here is a self-containing example:

            ...

            ANSWER

            Answered 2021-Nov-04 at 14:23
            The problem

            Prior to C++20, there was no way to invoke a deallocation function (operator delete) that didn't call your class' destructor first, making it impossible for you to clean up extra explicitly allocated resources owned by your class (without hacky code like your static pointer)

            The solution

            If you have access to C++20, then I encourage you to use destroying delete which was created to solve problems like this.

            • Your class can hold onto an instance of std::pmr::memory_resource* (injected through the constructor)
            • Change your operator delete into e.g., void operator delete(Node *ptr, std::destroying_delete_t) noexcept
              • destroying_delete is a tag that, when you use it, indicates that you will take responsibility for invoking the appropriate destructor.
            • Derived classes should also implement a similar deleter.

            Without making too many changes to your code, we can do the following in Node:

            Source https://stackoverflow.com/questions/69826265

            QUESTION

            How to leave out unimportant nodes?
            Asked 2021-Oct-27 at 23:16

            I am using ANTLR 4.9.2 to parse a grammar that represents assembly instructions.

            ...

            ANSWER

            Answered 2021-Oct-27 at 06:23

            Your question boils down to: "how can I convert my parse tree to an abstract syntax tree?". The simple answer to that is: "you can't" :). At least, not using a built-in ANTLR mechanism. You'll have to traverse the parse tree (using ANTLR's visitor- or listener mechanism) and construct your AST manually.

            The feature to more easily create AST's from a parse tree often pops up both in ANTLR's Github repo:

            as well as on stackoverflow:

            Source https://stackoverflow.com/questions/69732452

            QUESTION

            Why does my Intel Skylake / Kaby Lake CPU incur a mysterious factor 3 slowdown in a simple hash table implementation?
            Asked 2021-Oct-26 at 09:13

            In short:

            I have implemented a simple (multi-key) hash table with buckets (containing several elements) that exactly fit a cacheline. Inserting into a cacheline bucket is very simple, and the critical part of the main loop.

            I have implemented three versions that produce the same outcome and should behave the same.

            The mystery

            However, I'm seeing wild performance differences by a surprisingly large factor 3, despite all versions having the exact same cacheline access pattern and resulting in identical hash table data.

            The best implementation insert_ok suffers around a factor 3 slow down compared to insert_bad & insert_alt on my CPU (i7-7700HQ). One variant insert_bad is a simple modification of insert_ok that adds an extra unnecessary linear search within the cacheline to find the position to write to (which it already knows) and does not suffer this x3 slow down.

            The exact same executable shows insert_ok a factor 1.6 faster compared to insert_bad & insert_alt on other CPUs (AMD 5950X (Zen 3), Intel i7-11800H (Tiger Lake)).

            ...

            ANSWER

            Answered 2021-Oct-25 at 22:53
            Summary

            The TLDR is that loads which miss all levels of the TLB (and so require a page walk) and which are separated by address unknown stores can't execute in parallel, i.e., the loads are serialized and the memory level parallelism (MLP) factor is capped at 1. Effectively, the stores fence the loads, much as lfence would.

            The slow version of your insert function results in this scenario, while the other two don't (the store address is known). For large region sizes the memory access pattern dominates, and the performance is almost directly related to the MLP: the fast versions can overlap load misses and get an MLP of about 3, resulting in a 3x speedup (and the narrower reproduction case we discuss below can show more than a 10x difference on Skylake).

            The underlying reason seems to be that the Skylake processor tries to maintain page-table coherence, which is not required by the specification but can work around bugs in software.

            The Details

            For those who are interested, we'll dig into the details of what's going on.

            I could reproduce the problem immediately on my Skylake i7-6700HQ machine, and by stripping out extraneous parts we can reduce the original hash insert benchmark to this simple loop, which exhibits the same issue:

            Source https://stackoverflow.com/questions/69664733

            QUESTION

            Why is IntoIter not owning the values?
            Asked 2021-Sep-28 at 09:44

            I want to iterate over the bytes of an integer:

            ...

            ANSWER

            Answered 2021-Sep-28 at 09:44

            The Rust documentation mentions this behavior for array:

            Prior to Rust 1.53, arrays did not implement IntoIterator by value, so the method call array.into_iter() auto-referenced into a slice iterator. Right now, the old behavior is preserved in the 2015 and 2018 editions of Rust for compatibility, ignoring IntoIterator by value. In the future, the behavior on the 2015 and 2018 edition might be made consistent to the behavior of later editions.

            You will get references if you're using Rust 2018, but for the time being you can use IntoIterator::into_iter(array)

            Dereferencing the b within the loop will hint at this:

            Source https://stackoverflow.com/questions/69359085

            QUESTION

            failed to alloc X bytes unified memory; result: CUDA_ERROR_OUT_OF_MEMORY: out of memory
            Asked 2021-Sep-01 at 12:43

            I am trying to run a tensorflow project and I am encountering memory problems on the university HPC cluster. I have to run a prediction job for hundreds of inputs, with differing lengths. We have GPU nodes with different amounts of vmem, so I am trying to set up the scripts in a way that will not crash in any combination of GPU node - input length.

            After searching the net for solutions, I played around with TF_FORCE_UNIFIED_MEMORY, XLA_PYTHON_CLIENT_MEM_FRACTION, XLA_PYTHON_CLIENT_PREALLOCATE, and TF_FORCE_GPU_ALLOW_GROWTH, and also with tensorflow's set_memory_growth. As I understood, with unified memory, I should be able to use more memory than a GPU has in itself.

            This was my final solution (only relevant parts)

            ...

            ANSWER

            Answered 2021-Aug-29 at 18:26

            Probably this answer will be useful for you. This nvidia_smi python module have some useful tools like checking the gpu total memory. Here I reproduce the code of the answer I mentioned earlier.

            Source https://stackoverflow.com/questions/68902851

            QUESTION

            Spring Boot Blocked Connection Pool with enabled SSL
            Asked 2021-Aug-16 at 09:35

            I have a Spring Boot Application (Version 2.5.3) with enabled SSL using a self signed certificate. One endpoint is used to download a file in the client using a StreamingResponseBody.

            Problem

            The Problem is, when a user requests a file via this endpoint, the connection pool doesn't get cleaned up. Working example showcasing the problem here: https://github.com/smotastic/blocked-connection-pool

            ...

            ANSWER

            Answered 2021-Aug-16 at 09:35

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install mem

            See the changelog for release notes.

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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