sterile | Ruby gem that helps you sterilize your strings | Runtime Evironment library
kandi X-RAY | sterile Summary
kandi X-RAY | sterile Summary
A Ruby gem that helps you sterilize your strings, transliterate, properly titlecase, generate slugs, smart format, strip tags, encode/decode entities and more.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of sterile
sterile Key Features
sterile Examples and Code Snippets
Community Discussions
Trending Discussions on sterile
QUESTION
I have a few chat components, chat
(parent), CreateMessage
(child), and DisplayMessages
(child). All three components will be shown below.
The user creates a message with the CreateMessage
component. It saves it in the useState hook, indivMessages
, stored in the parent Chat
component.
The indivMessages
are sent to the DisplayMessages
component. It displays the messages as well as groups messages by the same author together based off the user id.
The problem is, the indivMessages
state is getting set with the value from formattedMessages
, which is only set inside the useEffect
hook in DisplayMessages
.
Why is indivMessages
getting set with the value for formattedMessages
??
For the sake of this example, I commented out all of the socket stuff to just work in a sterile environment - the same results will happen both ways.
Chat.js
...ANSWER
Answered 2021-Mar-24 at 14:50In the useEffect
code, you're modifying the objects in sortedArray
, which are also held in indivMessages
. For instance:
QUESTION
I've had issues updating the Home View of my app using SwiftUI.
So, I have a Dog struct (Dog.swift) :
...ANSWER
Answered 2020-Sep-19 at 15:29Change @State to @Bindig will fix it.
CardView:
QUESTION
I have some JSON objects that I am populating into the first dropdown for a material number. Some of these material numbers have more than one location. I want to be able to select a material number from the first drop down and then the second dropdown to populate the locations for the material number. For example when I select 905-830005 in the first dropdown I need the options PROD and STERILE-PK to show in the second dropdown.
JSON: //Declared as RfqData in JQUERY below
...ANSWER
Answered 2020-Mar-15 at 06:03$("#selectMaterial").change( function(){
var item = "";
$("#selectLocation").empty();
$.each(json, function () {
if ($(this).val() == /*the material on json*/){
item += '' + /*your value*/ + ''
}
});
$('#selectMaterial').html(item);
});
QUESTION
I'm trying to reformat some data from an API and I'm having trouble getting it the way I need. I need everything to be flattened and my second map function (attMap) is returning them with the an index as the key value?
...ANSWER
Answered 2019-Sep-03 at 16:17Array.map always returns an array, since what you want is a generic object, map is not what you want.
QUESTION
ANSWER
Answered 2019-Aug-30 at 10:12What I under stand from the description is that you want to filter your results on the basis of some Nested and Non Nested Fields and then apply aggregations on the Nested Field. I created a sample Index and data with some Nested and Non Nested Fields and created a query
Mapping
QUESTION
The goal is to determine metrics of an UDP protocol performance, specifically:
- Minimal possible Theoretical RTT (round-trip time, ping)
- Maximal possible Theoretical PPS of 1-byte-sized UDP Packets
- Maximal possible Theoretical PPS of 64-byte-sized UDP Packets
- Maximal and minimal possible theoretical jitter
This could and should be done without taking in account any slow software-caused issues(like 99% cpu usage by side process, inefficiently-written test program), or hardware (like busy channel, extremely long line, so on)
How should I go with estimating these best-possible parameters on a "real system"?
PS. I would offer a prototype, of what I call "a real system".
Consider 2 PCs, PC1 and PC2. They both are equipped with:
- modern fast processors(read "some average typical socket-1151 i7 CPU"), so processing speed and single-coreness are not an issues.
- some typical DDR4 @2400mhz..
- average NICs (read typical Realteks/Intels/Atheroses, typically embedded in mobos), so there is no very special complicated circuitry.
- a couple meters of ethernet 8 pair cable that connects their NICs, having established GBIT connection. So no internet, no traffic between them, other that generated by you.
- no monitors
- no any other I/O devices
- single USB flash per PC, that booted their initramfs to the RAM, and used to mount and store program output after test program finishes
- lightest possible software stack - There is probably busy box, running on top of latest Linux kernel, all libs are up-to-date. So virtually no software(read "busyware") runs on them.
And you run a server test program on PC1, and a client - on PC2. After program runs, USB stick is mounted and results are dumped to file, and system powers down then. So, I've described some ideal situation. I can't imagine more "sterile" conditions for such an experiment..
...ANSWER
Answered 2019-Jun-29 at 00:32For the PPS calculations take the total size of the frames and divide it into the Throughput of the medium.
For IPv4:
Ethernet Preamble and start of frame and the interframe gap 7 + 1 + 12 = 20 bytes.(not counted in the 64 byte minimum frame size)
Ethernet II Header and FCS(CRC) 14 + 4 = 18 bytes. IP Header 20 bytes. UDP Header 8 bytes.
Total overhead 46 bytes(padded to min 64 if payload is less than ) + 20 bytes "more on the wire"
Payload(Data)
1 byte payload - becomes 18 based on 64 byte minimum + wire overhead. Totaling 84 bytes on the wire.
64 byte - 48 + 64 = 112 + 20 for the wire overhead = 132 bytes.
If the throughput of the medium is 125000000 bytes per second(1 Gb/s).
1-18 bytes of payload = 1.25e8 / 84 = max theoretical 1,488,095 PPS.
64 bytes payload = 1.25e8 / 132 = max theoretical 946,969 PPS.
These calculations assume a constant stream: The network send buffers are filled constantly. This is not an issue given your modern hardware description. If this were 40/100 Gig Ethernet CPU, bus speeds and memory would all be factors.
Ping RTT time:
To calculate the time it takes to transfer data through a medium divide the data transferred by the speed of the medium.
This is harder since the ping data payload could be any size 64 - MTU(~1500 bytes). ping typically uses the min frame size (64 bytes total frame size + 20 bytes wire overhead * 2 = 168 bytes) Network time(0.001344 ms) + Process response and reply time combined estimated between 0.35 and 0.9 ms. This value depends on too many internal CPU and OS factors, L1-3 caching, branch predictions, ring transitions (0 to 3 and 3 to 0) required, TCP/IP stack implemented, CRC calculations, interrupts processed, network card drivers, DMA, validation of data(skipped by most implementations)...
Max time should be < 1.25 ms based on anecdotal evidence.(My best eval was 0.6ms on older hardware(I would expect a consistent average of 0.7 ms or less on the hardware as described)).
Jitter: The only inherent theoretical reason for network jitter is the asynchronous nature of transport which is resolved by the preamble. Max < (8 bytes)0.000512 ms. If sync is not established in this time the entire frame is lost. This is possibility that needs to be taken into account. Since UDP is best effort delivery.
As evidenced by the description of RTT: The possible variances in the CPU time in executing of identical code, as well as OS scheduling, and drivers makes this impossible to evaluate effectively.
If I had to estimate, I would design for a maximum of 1 ms jitter, with provisions for lost packets. It would be unwise to design a system intolerant of faults. Even for a "Perfect Scenario" as described faults will occur (a nearby lightening strike induces spurious voltages on the wire). UDP has no inherent method for tolerating lost packets.
QUESTION
Situation: I'm improving some code on a PHP based monitoring web app that checks the health of other web apps/services.
Goal: we are using CURL as a primary method to get headers to ensure the monitored app is accessible via HTTP return codes. This works great as of now. However, we are trying to build in a "fallback" method in which IF the CURL HTTP code response from the monitored app is outside of our defined variables (ie http code 404), PHP would then use a PING-like function to check if there is any response at that same address (for example, webserver is still "running" (occupying the given port) but not serving proper headers).
Problem: Our fallback method (stream_socket_client) DOES work for non-secure sites as we can simply define "hostname:port" which BOTH curl and stream_socket_client can use. However, If we want to monitor a secure site (HTTPS), curl requires the HTTPS protocol to be defined before the host - which will then make our fallback method (stream_socket_client) function fail as it only uses host:port format.
So, for example:
$URL: https://example.com:443 (this would turn a "GOOD" CURL response, but a down stream_socket_client response)
$URL: example.com:443 (this would return a "UP" stream_socket_client response, but a "DOWN" CURL response)
So, if we used https://example.com:443 as our URL, and the webserver became unresponsive, but is still running on that port, both would fail because HTTPs is defined.
This is a simplified version of our current code:
...ANSWER
Answered 2018-Jan-22 at 20:54Found the answer:
This script uses CURL to check if given HOST is serving a webpage. If NOT, use a PING function to check if anything is listening on given port.
QUESTION
I receive a CSV file from a 3rd party I need to IMPORT into Access. They claim they are unable to add any sort of Text Qualifier; all my common delimiter options (comma, tabs, pipe, $, ~, ^, etc.) all seem to appear in the data, so not reliable to use in an Import Spec. I cannot edit the data, but we can adjust the delimiter. Record counts are in 500K range x 50 columns (250MB).
I tried a non-ascii char as a delimiter (i.e., ÿ), I can add to an Import Spec, the sample data appears to delimit OK, but get a error (Subscript out of Range) when attempting the actual Import. Also tried a multi-character delimiter, but no-go.
Any suggestions to permit me to receive these csv tables? Daily task, many low-skilled users, remote locations, import function behind a button.
Sample Raw Data, truncated for width (June7, not sure if this helps the discussion)
...ANSWER
Answered 2019-Mar-03 at 03:54Try another extended-ASCII character (128 - 254). The chosen delimiter ÿ (255) apparently doesn't work, but it's already a suspicious character since it has all bits set and sometimes has special meaning for that reason.
It's also good to consider the code page. If you're in the US using standard English version of Windows, its likely that Access is using the default "Western European (Windows)" (Windows-1252) code page. But if you're outside the US or have other languages installed, it could be that the particular default code page will treat certain characters differently. For reference, I'm using Access 2013 on Windows 10. In the Access text import wizard, clicking on the [Advanced...] button shows more options, including the selection of the import code page. Since you're having problems with the import, it is worth inspecting that settings.
For the record, I had similar results as you and others using the sample data and delimiter ÿ (255).
Next I tried À (192) which is a standard letter character in various code pages, so it should likely work even if the default were not Windows-1252. Indeed, it worked on my system and resulted in no errors.
To get the import working without errors at first, I would choose all Short Text and Long Text fields before specifying integer, date or other non-text types. If all text columns work, then try specific fields types. In this way, you can at least differentiate between delimiter errors and other data errors.
This isn't to discourage other options like fixed-width text, especially since in that case you won't have to worry about the delimiter at all.
QUESTION
Actual code: I am trying to scrape from several pages from a medical products website for each of their products based on different product detail features(name, brand, packaging, availability, and price). I am able to go through each of the pages and collect the data as demonstrated in the internal python output. However, only the last 25 products are transcribed in the CSV file instead of all requested in the scraping process.
...ANSWER
Answered 2018-Nov-08 at 03:40This gets me 125 products. Also, you weren't writing the header data on the first row. I changed that and it all seems to be good. Try increasing your range from a 5
to a 6
to get 25 more responses.
QUESTION
I have a data.frame (tar
) with a variable (clean.text
) that contains a list of munged text for every row.
For example:
...ANSWER
Answered 2018-Jul-18 at 19:41Okay, so after addressing the issues above, I think this should solve the problem:
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On a UNIX-like operating system, using your system’s package manager is easiest. However, the packaged Ruby version may not be the newest one. There is also an installer for Windows. Managers help you to switch between multiple Ruby versions on your system. Installers can be used to install a specific or multiple Ruby versions. Please refer ruby-lang.org for more information.
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