bt | BitTorrent library and client with DHT, magnet links, encryption and more | Stream Processing library
kandi X-RAY | bt Summary
kandi X-RAY | bt Summary
Being built around the Guice DI, Bt provides many options for tailoring the system for your specific needs. If something is a part of Bt, then it can be modified or substituted for your custom code.
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Top functions reviewed by kandi - BETA
- Process incoming data .
- Negotiates MSECipher for an incoming connection .
- Pretty print the object .
- Called when another message is received .
- Queues up new connections .
- Dumps torrent stats to disk .
- Builds the query URL for a tracker
- Returns a string representation of the hash between the two keys .
- Cleans up all entries that have expired .
- active check .
bt Key Features
bt Examples and Code Snippets
public boolean isBalancedIterative(BinaryTree binaryTree) {
// Default that we are balanced and our algo will prove it wrong
boolean isBalanced = true;
// Create a stack for our post order traversal
Stack nodeStack =
public boolean isBalancedRecursive(BinaryTree binaryTree) {
// Create an array of length 1 to keep track of our balance
// Default to true. We use an array so we have an efficient mutable object
boolean[] isBalanced = new bool
function validateBalancedBT_3(tree) {
if (!tree || !tree.root) return true;
return checkHeight(tree.root) !== Number.MIN_SAFE_INTEGER;
}
110 48.444854 10.3.157.234 82.221.103.244 BT-DHT 134
...
113 48.844328 82.221.103.244 10.3.157.234 BT-DHT 528 reply=16 nodes
114 48.911670 10.3.157.234 47.152.12.43 BT-DHT 134
115 48.912589 10.3.157.234 181.3
Community Discussions
Trending Discussions on bt
QUESTION
as part of a project that generates x86-64 machine code at runtime, I very often have the need to copy a bit from one register to another register at another bit position.
I came up with this code (example that copies bit 23 of a source register to bit 3 of a destination):
...ANSWER
Answered 2022-Mar-02 at 08:03Alternative:
QUESTION
consider the following two ways of doing the same thing.
...ANSWER
Answered 2022-Feb-19 at 03:56Hi all I'm going to answer my own question here might be useful to others. The answer for me is that it was because I was using a generic OpenBLAS, not an Intel processor-specific version of BLAS, and running in debug mode.
With optimization at compile time and using an Intel processor-specific version of BLAS:
Bt = B.t()
and thenA = Bt * C
is definitely slower thanA = B.t() * C
, as we would expect due to the storing of the intermediate step.A = B.t() * C
is faster thanA = B * C
, if B is square (I know this isn't the same number), but the difference is small, maybe 0-20% for the numbers I am using.- Along a similar line,
A = B.rows(0, 499) * C
is slower thanA = B.cols(0, 499).t() * C
.
The explanation is I believe that column access is faster than row access. B.t() * C
uses columns of both B and C, whereas B * C uses rows of B and columns of C.
All of this is much faster than loops. So use BLAS over C++ manual loops -- this is way more important than worrying about rows vs columns.
One anomaly: A = B.rows(0, 499)
is still faster than A = B.cols(0, 499)
. Any ideas on why would be appreciated!
P.S. also tips on handing tensors higher than 2D in C++ would be appreciated. I hate arma::Cubes although I do use them.
QUESTION
I have a List
of objects. Every object contains a Code
and a TimeSpan
value.
ANSWER
Answered 2022-Feb-14 at 13:10Here is a suggestion where TimeAndCode.Code
is an enum
rather than a string
.
It will always order entries with indentical timespans in a repeated CO
, GO
, BT
pattern; meaning that if e.g. five entries with identical timespans has the following Code
selection: 2 x CO
, 1 x BT
, 2 x GO
, it will always order them as CO
, GO
, BT
, CO
, GO
(as opposed to CO
, GO
, CO
, GO
, BT
).
I achieve this by generating an OrderBy
property based on the timespan, an index (generated inside a nested group) and the numerical Code
value for each entry.
Using the following types:
QUESTION
I want to play some audio with volume lvl adjusted to ear aka. "phone call mode". For this purpose, I'm using well-known and commonly advised
...ANSWER
Answered 2022-Feb-11 at 19:31found some answers to my own question, sharing with community
6-sec auto-switch mode is a new feature in Android 12, which works only if (mode == AudioSystem.MODE_IN_COMMUNICATION)
(check out flow related to MSG_CHECK_MODE_FOR_UID
flag). This should help for MODE_IN_COMMUNICATION
set to AudioManager
and left after app exit, this was messing with global/system-level audio routing. There is also a brand new AudioManager.OnModeChangedListener
called when mode is (auto-)changing
and setSpeakerphoneOn
turns out to be deprecated, even if this isn't marked in doc... we have new method setCommunicationDevice(AudioDeviceInfo)
and in its description we have info about startBluetoothSco()
, stopBluetoothSco()
and setSpeakerphoneOn(boolean)
deprecation. I'm using all three methods and now on Android 12 I'm iterating through getAvailableCommunicationDevices()
, comparing type of every item and if desired type found I'm calling setCommunicationDevice(targetAudioDeviceInfo)
. I'm NOT switching audio mode at all now, staying on MODE_NORMAL
. All my streams are AudioManager.STREAM_VOICE_CALL
type (where applicable)
for built-in earpiece audio playback aka. "ear-friendly mode" we were using
QUESTION
In my program, I have a thread which has to continuously monitor the network interfaces therefore it continuosly uses getifaddrs() in a while loop.
...ANSWER
Answered 2021-Dec-06 at 08:59According to man7.org getifaddrs, any of the socket operations could be a cause for EBADF
ERRORS
getifaddrs() may fail and set errno for any of the errors specified for socket(2), bind(2), getsockname(2), recvmsg(2), sendto(2), malloc(3), or realloc(3).
Unrelated, but do you do freeifaddrs()
somewhere?
QUESTION
I am trying to create a dynamic memory allocation string so which returns a string removing all vowels. In the beginning, some of the strings work correctly but suddenly some of them returns with an extra value which makes me fail the test, and I am failing to complete the task. Here is the code:
...ANSWER
Answered 2022-Jan-17 at 09:00You don't null terminate the buffer. Therefore strcpy
wil just copy the contents of buf
until a null character is encountered which is undefind behaviour.
Add this right after the for
loop:
QUESTION
I have a program which reads from a file which is a list of domain names. It performs asynchronous DNS and then downloads the landing page for each domain using an asynchronous epoll loop.
The program runs fine for thousands of iterations and then bombs out with a *** buffer overflow detected ***: terminated
error. Here is the backtrace:
ANSWER
Answered 2022-Jan-03 at 22:19It looks like this might be the root cause:
QUESTION
I'm trying to call cmake and redirect the output to a pipe.
To reproduce:
git clone https://github.com/avast/retdec
(It seems to be every CMake-Project, gradle projects don't work, too)mkdir build&&cd build
- Add a file
test.hs
:
ANSWER
Answered 2021-Dec-28 at 14:11The buffer size of pipes isn't unlimited. You're creating a deadlock, where the child process is hanging because it's trying to write to a buffer that's full, and your parent process doesn't try to read anything from the buffer until the child process has completed. To fix the problem, you need to use another thread to read from the buffer while the child process is still running. The simplest way to do this is to use readProcess
or a similar function in place of createProcess
. If this doesn't give you enough flexibility to do what you want, then you'll need to create and manage the other thread yourself, which you can see how to do by looking at how readProcess
is implemented.
QUESTION
I'm toying ptrace
with the code below. I found that the system call number for execve
was 59 even when I compiled with the -m32
option. Since I'm using Ubuntu on a 64-bit machine, it could be understandable.
Soon, the question arose: "Do libc32 behave differently on 32-bit machine and 64-bit machine? Are they different?" So I checked what libc32 had in 64-bit. However, the execve
system call number for libc was 11, which was identical the execv
system call number for 32-bit systems. So where does the magic happen? Thank you in advance.
Here's the code. It's originated from https://www.linuxjournal.com/article/6100
...ANSWER
Answered 2021-Dec-26 at 06:37execve
is special; it's the only one that has special interaction with PTRACE_TRACEME
. The way strace
works, other system calls do show the 32-bit call number. (And modern strace needs special help to know whether that's a 32-bit call number for int 0x80
/ sysenter
, or a 64-bit call number, since 64-bit processes can still invoke int 0x80
, although they normally shouldn't. This support was only added in 2019, with PTRACE_GET_SYSCALL_INFO
)
You're right, when the kernel is actually invoked, EAX holds 11
, __NR_execve
from unistd_32.h
. It's set by mov $0xb,%eax
before glibc's execve wrapper jumps to the VDSO page to enter the kernel via whatever efficient method is supported on this hardware (normally sysenter
.)
But execution doesn't actually stop until it reaches some code in the main execve
implementation that checks for PTRACE_TRACEME
and raises SIGTRAP
.
Apparently sometime before that happens, it calls void set_personality_64bit(void)
in arch/x86/kernel/process_64.c, which includes
QUESTION
So I have this script which takes the data from a form and append it in to a HTML div.
...ANSWER
Answered 2021-Dec-17 at 23:26Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install bt
You can use bt like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the bt component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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