datasize | Golang helpers for data sizes | Cybersecurity library
kandi X-RAY | datasize Summary
kandi X-RAY | datasize Summary
Golang helpers for data sizes.
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- UnmarshalText implements the encoding . TextUnmarshaler interface .
datasize Key Features
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Trending Discussions on datasize
QUESTION
I want to send a post request with the request module. And my code snipped like that:
...ANSWER
Answered 2022-Jan-13 at 16:08Cannot read property '' of null
means that the property of the object doesn't exist. What you can do is log file and then check if the property 'name' exist.
Remember: console.log() is your best friend in nodejs (and in programming in general)
QUESTION
I am trying to write a script to pull NFTs by candy machine id, but it is either failing or returning an empty array each time.
I am using the genesysgo mainnet rpc.
Here is the relevant code.
...ANSWER
Answered 2022-Mar-07 at 08:30You are probably using the wrong CMID. Find one of your NFTs on solscan and use the first verified creator ID in the metadata as your CMID. (as seen below).
This would explain why the ID also returns an empty array on the magic eden and pentacles sites.
This address is not the same as the CMID in your .cache file.
QUESTION
- In the following json:
ANSWER
Answered 2022-Feb-06 at 20:24You need to put quotes around both the field name (as it contains the @
character), and around the query string (as it is a string):
QUESTION
I'm trying to communicate with a server running locally on my machine. I just don't know how to write the message the sever expects. I'm trying to do this on a .Net application (C#). This server expects an at least 10 byte message arranged by the following structure, from the manual:
[Full manual] http://jkca.ca/help/pages/telemetry.html#messageformat
Each message has the same basic binary format. All multi-byte values are in network-byte-order (big-endian)!! The minimum message size is 10 bytes. Clients are allowed to send Client Request messages (see Message Type Table). The server will respond with corresponding Server Reply messages. The Request ID can be freely assigned by the client and has no special meaning. The server's reply message will use the same Request ID in the corresponding answer.
(I seem to be unable to format a table in this question so I'm omitting the table that can be found in the manual)
I would like to understand how to form these messages. If anyone could explain to a non CS student how to form, for example, the message to send a "pause command" (http://jkca.ca/help/pages/telemetry.html#msg27) that would be super useful.
I've tried all sorts of variations of:
...ANSWER
Answered 2022-Jan-11 at 00:09To expand on Hans' comment, each letter in a string literal usually equates to one byte. E.g. A
is stored as 0x41
, B
is stored as 0x42
, 0
is stored as 0x30
. Search for ASCII and UTF8 character encodings for more info. When you write a string like '1000', then get the underlying bytes, you end up with the sequence 0x31 0x30 0x30 0x30
. The number of bytes here is equal to the number of digits in your string. This is a variable-length number, and it's not a very compact way to store the information, because instead of using the full range of each byte (00 to FF) for a total of 256 possibilities per byte, it only uses 10 of the possibilities (30 to 39). This inefficiency becomes more obvious when you use larger numbers, e.g. 1000000 takes up 7 bytes.
The server is expecting the request id in a different format, int32
, which always takes up 4 bytes. You can get the data into this format by calling BinaryPrimitives.WriteInt32BigEndian(buffer, 1000)
. The same applies for the message type id and the data size fields, they should be provided as Int16.
After reading the documentation you posted, it looks like the expected data for a 'Set Pause' request would be like this:
QUESTION
I'm trying to create a function that can be called from e.g. Python through a .dll.
I'm working on byte arrays. This is the original function I'm trying to wrap:
...ANSWER
Answered 2021-Sep-28 at 21:57Listing [Python.Docs]: ctypes - A foreign function library for Python.
@Jarod42's suggestion wasn't to use std::pair, but to emulate it via a C (compatible) struct.
Here's an example (my dummy getKeys implementation is to simply return the concatenation the 2 QByteArray arguments):
dll00.cpp:
QUESTION
I have the following code to make a chart with chart.js but the main and axis title just does not work. Also I have put the legend to the bottom but does not work. Can anybody tell why it is not working?
...ANSWER
Answered 2021-Sep-24 at 10:23First of all don't use an array for your X scales, all the scales need to be defined as objects. Second you are placing the options in the wrong part, it has to be configured in the title namespace like so:
QUESTION
IDE: IntelliJ
JDK: Java 11
While was testing a sample code from lecture, I have found something really weird that my program just won't stop, even though there aren't any loop!
...ANSWER
Answered 2021-Sep-23 at 16:41You have to shut down the thread pool. Otherwise, you still have non-daemon threads running in the background. The JVM doesn't exit until all non-daemon threads have stopped.
QUESTION
Some background:
So my plan is to create a stippling algorithm in C++ and I basically just plan on storing a whole bunch of data for each radius of a circle to write onto a texture map in OpenGL I'm not sure if this is the right thing to do but I feel like it
would be quicker than the computer dynamically calculating the radius for each circle especially if lots of circles are the same size, my plan is to create a function that just writes a whole text document full of radiuses up to a certain size and this data will be stored bitwise inside an array of long's std::array bit = {0x21, 0x0A ect... }
so that I can encode 4X4 arrays of values with 2 bits assigned to the antialiasing value of each pixel however to create this database of ant-aliased circles I need to write a function that I keep getting wrong;
The actual question:
So this may seem lazy but I can promise I have tried everything to wrap my head around what I am getting wrong here basically i have written this code to anti=alias by dividing up the pixels into sub pixels however it seems to be returning values greater than 1 which shouldn't be possible as i have divided each pixel into 100 pixels of size 0.01
...ANSWER
Answered 2021-Aug-15 at 18:49The problem lies with lines such as this one:
QUESTION
I am currently working on an SPI communication between an NXP LPC55S06 processor (from the LPC55S06-EVK demoboard) and an NXP CLRC663.
I integrated the NXP NFC library to initialize the CLRC663 and configured the SPI pinouts in the .mex file. I have done my wiring and can verify the sending of SPI commands:
My problem is that the CLRC663 never responds to the commands I send it.
I have already checked my wiring several times and I think the problem is software. Since the problem can neither come from the NFC lib nor from the FSL drivers specific to the LPC55S06 processor, I suspect that it would come from the SPI configuration done by this code (called by the NFC lib):
...ANSWER
Answered 2021-Jul-21 at 06:34I found out what my problem was. Here is how my reset was implemented:
HIGH - wait 20ms - LOW - wait 20ms - HIGH
In this document it is mentioned: "A hard power-down is enabled with HIGH level on pin PDOWN. ... To leave the power-down mode the level at the pin PDOWN as to be set to LOW."
However, I had to do the opposite and since I kept the reset pin at HIGH, the CLRC663 could not start, so it did not respond.
QUESTION
I am planning to use Janusgraph for building graph of different uses our team handles and I see that janus graph has option to use BigTable or Cassandra as storage backend. I am looking for any recommendation on which backend is more optimal/performant ( I am mainly talking about gremlin query performance on 2 hop neighbor of a node ) with JanusGraph.
I understand that performance is pretty subjective and varies based on datasize/graph connectivity and use case so best approach will be to try out myself, which I am planning to do. But has anyone else has done similar performance comparison ? Is there any general recommendation about storage backend here ?
...ANSWER
Answered 2021-Jun-10 at 18:14You're right in that performance is both:
- subjective
- depends largely on data size
I can tell you that I have done this exercise as well. To that end, I think it's important to share this comparison from DB-Engines.com.
In terms of performance, the biggest thing I'd be looking at is how each handles consistency. As a general rule, databases which enforce stronger levels of consistency typically have to sacrifice performance.
- BigTable == strong-consistent
- Cassandra == eventually consistent
Other factors worth considering, are the fact that BigTable limits you to Google Cloud (GCP). And if you don't want to lose performance over the network, you'll also need to pay for more (Janus) instances on GCP for data locality.
In terms of raw DB-Engine "score," Cassandra is currently at 114.112, while BigTable is at a paltry 3.582. These scores will change month-to-month, but in general this signifies that Cassandra has a much stronger community around it. Similarly, Cassandra has 18182 questions on this site, while BigTable only has 449. Bottom line, is that it'll be much easier to get support and answers to questions.
Just based on the underlying strength of the community, Cassandra is the better option here.
Having supported JanusGraph on Cassandra for the last few years, I can tell you that overall it's been solid. The difficulties tend to come into play with bulk data loading. But outside of that, things seem to run pretty well.
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