bloaty | Bloaty McBloatface : a size profiler for binaries
kandi X-RAY | bloaty Summary
kandi X-RAY | bloaty Summary
Ever wondered what's making your binary big? Bloaty will show you a size profile of the binary so you can understand what's taking up space inside. Bloaty performs a deep analysis of the binary. Using custom ELF, DWARF, and Mach-O parsers, Bloaty aims to accurately attribute every byte of the binary to the symbol or compileunit that produced it. It will even disassemble the binary looking for references to anonymous data.
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Trending Discussions on bloaty
QUESTION
I am currently building an iOS app that lets users make collections from photos that get imported from their device photos. I am using core data as the data store and have questions about best patterns and practices to do this.
If I sound naive, I assure you it is because I am ;)
In a perfect world, my users will be importing hundreds of photos and I would like to backup app data (and photos) to iCloud.
So far, I see a few paths all with their own pros and cons:
Store the photo itself in core data. This seems very doable by using a 'data' type in the entity. This feels clean but wouldn't this create duplicate data on the device and potentially be very bloaty?
Create an album in Photos, place imported photos in it, and save local/device URLs in core data. This also seems clean but I worry about iCloud backup - it now seems I would need to sync core data and a bunch of photos?
Only store local/device URLs to photos. This seems very low touch which I like but worried that users may end up deleting or editing photos from their roll and forget it's in my app - again has issues around syncing as well.
Would love some feedback ideas, stories haha anything really :)
Thanks.
...ANSWER
Answered 2021-Jan-12 at 17:32Dang... Photokit is the way, how did I miss this?
QUESTION
I'm coding a Fibonacci heap data structure (https://en.wikipedia.org/wiki/Fibonacci_heap) in C++. This data structure consists of several heaps, with roots connected in a doubly-linked list. Each node has a doubly-linked list of its children. A whole heap has a doubly-linked list of leaf nodes, to support fast pruning. (CLRS 19-3.b)
My implementation of Node
is:
ANSWER
Answered 2020-Sep-04 at 11:04Using a std::list
would not cause any double deletes, as long as you don't manually delete nodes, and let the actual unique_ptr
pointers in child_list
members handle that. You would just need to be careful to avoid using a dangling pointer after a Node
has been destroyed. But this way still doesn't give a good way to quickly remove a Node*
from the appropriate child_list
.
Instead, you could maybe use std::list leaf_list;
. This is relatively safe since inserts and erases on a std::list
do not invalidate any iterators (except of course iterators to erased elements).
Though since you still have an invariant to follow, that the iterators in leaf_list
belong to the appropriate child_list
, it would be good to help code follow it. Depending on the intended usage and generality of the class, that might mean just putting notes in comments within or just before the struct Node
definition. Or it might mean making Node
a proper class with private
members and a safer public
interface - I might consider creating custom iterators using boost::iterator_adaptor
to allow iteration over the leaf nodes without as much danger of breaking the invariant. If you don't expect much reuse, but then find it would be useful again in more contexts or projects, you could of course change these sorts of decisions later (unless too much code gets written using the raw way).
QUESTION
I am currently working on a threaded Logging library as the first part of a bigger project for graphics drawing (for personal learning and development of skills).
currently i am using a singleton with a thread running on the side and taking Log messages and data into queues (so that they are not blocking events) to be processed later. I wrote a small wrapper around std::map<> as LogData that can be displayed by the logger in a stream or file in the following way.
...ANSWER
Answered 2020-Aug-23 at 18:46Note the declaration
QUESTION
For a side-project I want to sort the keys of a JSON with jq, and come up with the following solution:
...ANSWER
Answered 2020-Mar-27 at 19:05To specify the keys and their order:
QUESTION
I have an embedded project in Rust on the STM32F446 MCU. Consider the next line:
...ANSWER
Answered 2019-Nov-26 at 16:05Not sure how clever the Rust linker is, but in many embedded linker implementations you would be able to swap in your own implementation of __udivmodi4
which used a smaller (but slower) method in preference to the version provided by the compiler.
In general generic division and modulo are expensive on embedded platforms, but division by a constant can often be specialized with a "fixed" implementation by a smart compiler (often with special cases for common divisors - 3, 5, 7, 10, etc).
If you can control the application then changing the code to divide or modulo by 2^N
is obviously preferable (it collapses to either a "right shift" instruction for divide, or an "and" instruction for modulo). E.g. in this case 2048 might be acceptably close to 2000, and turns 1 KB of code into 4 bytes of code.
FWIW the Rust version of this does seem a little on the fat side - the GCC implementation for example is much smaller.
QUESTION
I'm new to Java11/all the overcomplicated module stuff.
The Problem
So I exported my Java11/JavaFX11 program from Eclipse as a Runnable JAR. If I click the JAR, it runs perfectly fine (Eclipse includes all of the module settings and JavaFX itself automatically in the runnable JAR). However, if I try to bundle the JAR with a JRE and run it via the command line with the following BAT file:
@ECHO OFF
%~dp0\jre\bin\java -jar javaprogram.jar
pause
I get:
Error: JavaFX runtime components are missing, and are required to run this application
Press any key to continue . . .
How can I get it to just run the JAR file like it does when I click it?
Ways I've tried to fix it
The weirdest part is, if I just use:
java -jar javaprogram.jar
Which just accesses the installed JRE, it works again. It's only when I'm directly pointing it to a JRE at a specific path that it appears to break.
Alternatively, I'd just bundle JavaFX beside the JRE, but there doesn't seem to be a way to call --module-path
with a relative path (googling this nets me a bunch of entirely unrelated stuff). It seems to demand an exact path, which isn't going to work if people are downloading a zip archive and extracting it. This would be redundant though because Eclipse is already packaging JavaFX with the JAR. I don't know why it's getting confused just because I'm calling it from the command line.
The project's code
The project I'm trying to get this to work with happens to be open source, so you can check out the code for it here:
https://github.com/SkyAphid/JDialogue
The main class is JDialogueCore.
Closing
I don't want to use installers since I think that's too bloaty. I'd like to be able to deploy my software like I always have by just putting them in an archive you can extract and run.
It's difficult to simply Google the problems as well since I keep getting completely unrelated results due to the broadness of the topic. Any direction/documentation relating to this problem would be greatly appreciated.
Thank you for your time!
...ANSWER
Answered 2019-Feb-11 at 14:46While Java 8, 9, and 10 allowed a JavaFX Application subclass to act as a main class for program startup, that is no longer the case as of Java 11. Placing your public static void main
method in a different class and making that class the main class solves the problem. (Source: https://github.com/javafxports/openjdk-jfx/issues/236)
Your command line invocation needs to specify both the location of the JavaFX jar files, and the location of JavaFX native libraries. Normally these are the same location in the JavaFX SDK, but they must be specified in different ways: the jar files go in the classpath or module path, while the native libraries’ location must be specified in a system property:
QUESTION
I have the following design. When a client makes a request to the server, the server creates a state that holds all sorts of info. There are various stateless and stateful beans which need to read and write to this state. Refer to this unprofessional diagram:
The ComputationCycle
class is where the processing starts and works by phases. During each phase it calls upon other Manager
classes (which behave like utility classes) to help in the computation (diagram shows only for 1 phase). The state is being read and written to both from the CC class and the managers, both are stateless.
State
holds Employee
, Department
and Car
classes (in some irrelevant data structure) which are stateful. These classes can also call the Manager
classes. This is done by a simple @Inject Manager1
. The same way CC uses managers.
My problem is how to access the stateful state (and its contained classes) from the stateless classes (and from the Car
, Department
and Employee
classes too, although I think solving one will solve the other). I can't inject a stateful bean into a stateless bean. So after the client makes a request and the computation cycle starts, how do I access the state related to this request?
One solution is to pass the state to every method in the stateless classes, but this is really cumbersome and bloaty because all methods will have an "idiotic" State argument everywhere.
How can I make this design work the way I want it to?
...ANSWER
Answered 2017-Jul-24 at 16:59Buyer beware, ThreadLocal will possibly do what you're wanting, along with a static accessor. However, this class is prone to causing memory leaks if you are not extremely careful to remove each entry at the end of the request. In addition, you seem to be using EJB; I assume they are all in the same JRE. I use ThreadLocal quite a bit in similar situations, and I've had no problems. I use SerletContextListener's to null the static reference to the ThreadLocal when the context shuts down, although that has been problematic on some older Web app servers, so I make sure the ThreadLocal exists before attempting to use it.
EJB can "talk" to each other across servers. It sounds local all your EJB are running in the same context.
Create a class that holds your state.
Extend ThreadLocal--you can do this anonymously--and override initialValue() to return a new instance of your class.
Create a utility class to hold the ThreadLocal as a static field. Don't make it final Create static fetch and remove methods that call ThreadLocal.get() and remove(). Create a static destroy() method that is called when your context shuts down--see ServletContextListener.
QUESTION
I have looked at several sites that discuss cross domain calls using ajax. They all seem overly complicated or specific. Below is the simple html page that I want to be able to send the request parameters to a specific JSP on my server.
...ANSWER
Answered 2017-Feb-28 at 10:18This is very common error that everyone has faced but the solution of this error is Jsoup
.
first call the servlet using ajax call & put the code that i have written in the below ajax call
and
also servlet
after the execution you will get whole html page...
pass the url of servlet in url of ajax call
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