emerg | 🔫 lkm module for emergency binary/script execution | Runtime Evironment library
kandi X-RAY | emerg Summary
kandi X-RAY | emerg Summary
lkm module for emergency binary/script execution
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QUESTION
I am currently trying to build OpenPose. First, I will try to describe the environment and then the error emerging from it. Caffe, being built from source, resides in its entirety in [/Users...]/openpose/3rdparty instead of the usual location (I redact some parts of the filepaths in this post for privacy). All of its include files can be found in [/Users...]/openpose/3rdparty/caffe/include/caffe. After entering this command:
...ANSWER
Answered 2021-Jun-15 at 18:43You are using cmake. The makefiles generated by cmake don't conform to "standard" makefile conventions; in particular they don't use the CXXFLAGS
variable.
When you're using cmake, you're not expected to modify the compiler options by changing the invocation of make. Instead, you're expected to modify the compiler options by either editing the CMakeLists.txt file, or else by providing an overridden value to the cmake
command line that is used to generate your makefiles.
QUESTION
First migration file:
ANSWER
Answered 2021-Jun-15 at 18:27change the posts migration post_id and author_id to this :
QUESTION
Hi I am looking for help to study pre-existing models that are IoT based but has applications such as radio frequency identification, emergency related, and some form of access control, a paper in that area is ideal. Thanks in advance!
...ANSWER
Answered 2021-Jun-15 at 15:56Please try to have more details in your questions, an example of what the framework is, I have published previously a framework in IoT Emergency System that was based on a disaster. The Doc will help you research your topic better as it is based on a framework design, a prototype is developed using an RFID access control and a drone system. We also incorporate design specifications that minimize the risk of data and privacy breaches. DOI
QUESTION
I have a function that when someone enters a number in the textbox and when I click the search button, the function returns an image!my problem is when for the first time I click the search button, everything is ok,but when I click the button twice, again the same picture emerge in my form.How can I run just once for every input?Here is my code
...ANSWER
Answered 2021-Jun-15 at 10:53You can use a variable to control the times that function is called and how many times you allow that this function can be called. This way you can perform modifications and your code will be more maintainable (if now you need that this function could be called more than 1 time, just change the ALLOWED_TIMES
variable).
QUESTION
I am using Xampp for my project where I have PHP files. I have another laravel project which I want to open when a user clicks on a button in PHP file. So, I want laravel project to work in Xampp so that I can complete the functionality of clicking button in "library.php" opening "showForm.blade.php" and on clicking button in "showForm.blade.php" sends request to "web.php"
"showForm.blade.php" is like this:
...ANSWER
Answered 2021-Jun-07 at 05:25Ok so after all the things I finally got it to working
No need to change the folder to laravel inside root project
No need to change the DocumentRoot
Just Had to change in blade.php from
QUESTION
Suppose we have a SQL table with entries for different dates such as
main_table
:
I would like to retrieve the entries between '30-05-2021' and '07-06-2021'. But the resulting output_table
table should be in a business days format such that
output_table
:
If I query the table with a simple SELECT * WHERE date>='30-05-2021' AND date <= '07-06-2021'
query the following problems would emerge:
- The date '03-06-2021' (a weekday) would be missing.
- There would be no entry for '31-05-2021' (not in main_table).
- The date '05-06-2021' would be retrieved which is, however, no business day (Saturday).
Essentially my idea was to create a business day table (date_table
) and subsequently use a left join of main_table
on date_table
:
ANSWER
Answered 2021-Jun-11 at 12:25Postgres supports generate_series()
which makes this pretty simple:
QUESTION
I'd like to create a regex that would be able to grab everything up to and after DESCRIPTION, until the next TITLE: is found.
...ANSWER
Answered 2021-Jun-11 at 01:07/(?=TITLE: )/g
seems like a reasonable start. I'm not sure if the gutter of 2 characters whitespace is in your original text or not, but adding ^
or ^
to the front of the lookahead is nice to better avoid false-positives, i.e. /(?=^TITLE: )/mg
, /(?=^ TITLE: )/mg
or /(?=^ *TITLE: )/mg
.
QUESTION
I am writing a small TCP sockets "library", and I ran into much trouble.
When something happens to the socket that causes it to be instantly closed and freed (regardless of background lingering, talking about user space here), which is only done within a locked mutex since the application I'm writing is multi-threaded, I need a way to tell all the other (potentially) waiting threads (on the same mutex) that want to do something with the socket: "I'm terribly sorry, but the socket has been destroyed and you cannot access it" so that they don't cause any segmentation fault or such.
The idea I had was: the mutex was part of the socket (socket = a structure that contains multiple things, including a mutex and a file descriptor) so I couldn't quite free the socket if other threads were waiting for it (undefined behavior), so the possible solution is to allocate the mutex, free the socket but not the mutex, set some flag (in the allocated memory) saying that the socket has been closed, and a counter so that the last thread waking up and getting notified that it cannot use the socket unlocks and destroys the mutex and frees the memory allocated. The mutex can still be accessed without segfault if we just store its pointer before acquiring the mutex (and the pointer won't ever change).
This solution has a fundamental problem though - what if between unlocking the mutex and freeing it by the last holder, the thread gets preempted and another one locks the mutex again (since you NEED to check socket-related stuff after you acquire the lock, so no way of knowing it got destroyed, unless you maybe use an atomic variable but then again, checking the atomic variable and locking the mutex as a whole are not an atomic operation). Or if you try to access the mutex on the already-freed socket. Undefined behavior emerges.
Any ideas how to solve this problem? I.e. how to destroy a socket so that other threads know about it to quit safely, and there are no race conditions? By quitting I mean aborting the socket function they were in, not cancelling or stopping the threads themselves.
...ANSWER
Answered 2021-Jun-10 at 16:01I could not find a feasible solution of "auto-detecting" when the resources aren't in use (either some kind of a garbage collection, or a timeout since the last call made for that socket, e.g. if the application doesn't do anything with the socket for a minute after it closed, release its resources). That is why I decided to have some reference, look at other things dealing with the problem.
The first very obvious was the kernel itself. If the socket closes, the kernel informs the application of it happening, but only cleans up the socket once the application calls close()
. I think it really is the best way of dealing with this problem, nonetheless it adds some additional responsibility to the application.
QUESTION
I am trying to draw maps using D3.js. The GeoJson file is converted from shapefile and stored in the project folder.
The GeoJson data format:
...ANSWER
Answered 2021-Jun-10 at 14:33@AndrewReid was correct. It was a winding problem and fortunately there is a simple way to fix it using turf.js
QUESTION
I'm trying to pass some json data from my database to front-end so that I can manipulate those with javascript! I started by creating some temporary json data in my home.html.erb
as follows:
ANSWER
Answered 2021-Jun-10 at 12:49Use html_safe
or raw
method on that string.
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