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kandi X-RAY | Bug Summary
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Bug Examples and Code Snippets
public void throwAsGotoAntiPattern() throws MyException {
try {
// bunch of code
throw new MyException();
// second bunch of code
} catch ( MyException e ) {
// third bunch of code
public void showHTMLCodeSnippetIssueUsingJavadoc() {
// do nothing
}
Community Discussions
Trending Discussions on Bug
QUESTION
I wrote a demo with some inline assembly (showing how to shift an array of memory right one bit) and it compiles and functions fine in GCC. However, the with Clang, I'm not sure if it's generating bad code or what but it's unhappy that I'm using memory despite the "rm" constraint.
I've tried many compilers and versions via Godbolt and while it works on all x86/x86_64 versions of GCC, it fails with all versions of Clang. I'm unsure if the problem is my code or if I found a compiler bug.
Code:
...ANSWER
Answered 2021-Jun-16 at 00:48I'm unsure if the problem is my code or if I found a compiler bug.
The problem is your code. In GNU assembler, parentheses are used to dereference like unary *
is in C, and you can only dereference a register, not memory. As such, writing 12(%0)
in the assembly when %0
might be memory is wrong. It only happens to work in GCC because GCC chooses to use a register for "rm"
there, while Clang chooses to use memory. You should use "r" (bytes)
instead.
Also, you need to tell the compiler that your assembly is going to modify the array, either with a memory
clobber or by adding *(unsigned char (*)[16])bytes
as an output. Right now, it's allowed to optimize your printf
to just hardcode what the values were at the beginning of the program.
Fixed code:
QUESTION
I have the wackiest bug. Like....the wackiest! If any of ya'll want to put eyes on this, awesomesauce! I really appriciate it! I am creating a survey with REACT, Redux, SQL, HML, Material-ui, and CSS.
I've created a graph of information with am4charts using data from a database. Everything is working and will show up on the page......but not on page load. What I am seeing in my console is that the page will load, it fires off my get request but doesn't return with the data fast enough (I think). By the time that the get request loads, my graph has populated with no data.
Here is the code that I have for the page that I am rendering. What is really odd is that, once my code has run, I can cut a line of code (I've been using a console log). And then the graph will render and load.
...ANSWER
Answered 2021-Jun-15 at 22:40Can you try this fix? I created new functions for some tasks.
https://codesandbox.io/s/vigorous-varahamihira-6j588?file=/src/App.js
QUESTION
I am running some code on a STM32 chip which is logging to my uart port.
I am having a hard time finding the proper way to log an array of bytes. I wrote this function:
...ANSWER
Answered 2021-Jun-15 at 19:36If the problem did end up being from heap overuse (from strncat
), then you could try out this implementation that uses the return from sprintf
to append to the string as your building it.
QUESTION
I ran into less than ideal inlining behavior of the .NET JIT compiler. The following code is stripped of its context, but it demonstrates the problem:
...ANSWER
Answered 2021-Jun-15 at 19:35The functions Hash_Inline
and Hash_FunctionCall
are not equivalent:
- The first statement in
Hash_Inline
rotates by 1, but inHash_FunctionCall
it rotates bycurIndex
. - For
RotateLeft
you may have probably meant:
QUESTION
WWDC21 introduces Swift 5.5, with async/await. Following the Explore structured concurrency in Swift and Meet async/await in Swift WWDC21 sessions, I'm trying to use the async let function.
Here's my Playground code:
...ANSWER
Answered 2021-Jun-11 at 00:14My advice would be: don't try this in a playground. Playgrounds aren't ready for this stuff yet. Your code compiles and runs fine in a real project. Here's an example:
QUESTION
I'm making a POC with Lumen and Vue.JS. For now it just has to send a "hello world" message from the Lumen back-end to the Vue.JS front-end (which works). I have made an event which is triggered upon loading the page like this:
...ANSWER
Answered 2021-Jun-15 at 16:42Fix composer.json
I have created an issue on the PHP package: https://github.com/pusher/pusher-http-php/issues/295
It is true this version is broken, but the fix should be in the composer.json
file. Mine looked like this:
QUESTION
I am aware that floating-point numbers are tricky. But today I encountered a case that I cannot explain (and cannot reproduce using a standalone C++ code).
The code within a large project looks like this:
...ANSWER
Answered 2021-Jun-15 at 09:57Barring the undefined behavior which can be easily be fixed, you're seeing the effect of denormal numbers. They're extremely slow (see Why does changing 0.1f to 0 slow down performance by 10x?) so in modern FPUs there are usually denormals-are-zero (DAZ) and flush-to-zero (FTZ) flags to control the denormal behavior. When DAZ is set the denormals will compare equal to zero which is what you observed
Currently you'll need platform-specific code to disable it. Here's how it's done in x86:
QUESTION
So I was really ripping my hair out why two different sessions of R with the same data were producing wildly different times to complete the same task.
After a lot of restarting R, cleaning out all my variables, and really running a clean R, I found the issue: the new data structure provided by vroom
and readr
is, for some reason, super sluggish on my script. Of course the easiest thing to solve this is to convert your data into a tibble as soon as you load it in. Or is there some other explanation, like poor coding praxis in my functions that can explain the sluggish behavior? Or, is this a bug with recent updates of these packages? If so and if someone is more experienced with reporting bugs to tidyverse, then here is a repex
showing the behavior cause I feel that this is out of my ballpark.
ANSWER
Answered 2021-Jun-15 at 14:37This is the issue I had in mind. These problems have been known to happen with vroom, rather than with the spec_tbl_df
class, which does not really do much.
vroom
does all sorts of things to try and speed reading up; AFAIK mostly by lazy reading. That's how you get all those different components when comparing the two datasets.
With vroom:
QUESTION
I am trying to learn how python handles multiprocessing and have followed a youtube tutorial for some basic code but I am now trying to implement a ProcessPoolExecuter myself.
I have the following code which is causing the problem:
...ANSWER
Answered 2021-Jun-15 at 13:46The actual value being passed as the second argument games to getRecentWinners
is listOfGames
, which as a values of [1, 2, 3 ... 21]
. But the first line of getRecentWinners
is:
QUESTION
I build my Nestjs project with nestjsx to create Restful api. My customer.controller.ts
...ANSWER
Answered 2021-Jun-15 at 12:20After hours of searching, the solution is to add
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