breakup | Breaking up is never easy , I know , but I haaaave tooooo go | Awesome List library
kandi X-RAY | breakup Summary
kandi X-RAY | breakup Summary
Breaking up is never easy, I know, but I haaaave tooooo go
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QUESTION
I am trying to write a query In hive and I am seeing the following error. "Error while compiling statement:
FAILED: SemanticException Failed to breakup Windowing invocations into Groups. At least 1 group must only depend on input columns. Also check for circular dependencies. Underlying error: Primitve type DATE not supported in Value Boundary expression.
I used the same query in Oracle sql and it works fine. How can I write a valid order by in Hive?
...ANSWER
Answered 2021-Apr-23 at 17:07Because some primitive types support (it was no DATE type before) was added after windowing and windowing was not fixed. See HIVE-13973
As a workaround, try to cast DATE as STRING:
QUESTION
This TCP problem has been bothering me for a long time, but because it is difficult to simulate package loss in the local experimental environment(the local network speed is so fast that it is difficult to lose packages), I have not been able to find the answer.
My problem is that I want to implement an RPC between two processes based on the TCP protocol. The most efficient way is to establish a connection once and then this connection can be used again and again, so I don't have to repeat the process of three times handshakes and four times breakups. However, during my implementation, the packages received by the server were often mixed with multiple requests and they were not isolated, which caused problems for my design.
As we all know, after a connection has been established, if my client calls socket.sendall(A)
, in which we assume that A is a package of 40KB in length containing the details of the request. Because the package content is too long, let's assume that the kernel automatically splits this package into 10 packages and sends them out in 10 times. We all know that due to the reliable behavior of TCP connections, if the ninth of the ten packages happens to be missing during transmission (and assume the client program happens to be dead right after all package were sent, so that re-send is not possible), then the application layer of the server side will only read the contents of the first eight packages and will not get the tenth package even if it was properly revieved.
My question is, if the client sends two requests in sequence
...ANSWER
Answered 2021-Mar-06 at 07:54TCP guarantees that data are delivered in order and without any gaps, i.e. if packets get lost the data following the loss will only be delivered to the application once the lost data got recovered (i.e. resubmitted and received) and delivered to the application.
TCP is a byte stream though. The "borders" between two consecutive send
or sendall
are not part of this byte stream, only the payload itself. This means that a send
or sendall
might not exactly match a recv
at the other side - which is an assumption often but wrongly made. If some kind of message semantic is needed (i.e. something like "request", "response") this message semantic needs to be explicitly be part of the data and can not be derived from hoping that a single recv
will always match a single send
. Typical ways to achieve this are prefixing a message with a length or having a special byte sequence as message separater.
QUESTION
im trying to use my python app to transcribe multiple files in a folder and speed up the process. At present I am able to do it one file at a time -
...ANSWER
Answered 2021-Mar-03 at 16:48have you tried running this script multiple times? you could write a wrapper that launches this script in a subprocess kinda like this:
QUESTION
I'm acquiring PCM raw bytes with new AudioContext({ sampleRate: 16000 })
(note, I'm using Chrome, which supports the sampleRate
option), and I'd like to convert the resulting array into a DataView
object.
My current code is the following, in the stop
method I read the left channel and store it as an array of Float32Array
s.
ANSWER
Answered 2021-Feb-23 at 17:24From your comment I will assume you know how to handle s16le raw audio.
Also notice that you are creating your ArrayBuffer with length equals the number of samples in the PCM32fSamples
, should be the size in bytes, also the call to setInt16
should pass the offset in bytes.
An alternative to set an array buffer is to construct an Int16Array. The motivation for using a DataView is to be able to write mixed type data. This will make your code more readable.
QUESTION
I have a dataset with booking hotels. date_in has format "yyyy-MM-dd". I need select top 10 the most visited hotel by month.
...ANSWER
Answered 2021-Jan-18 at 00:57I would suggest something like this:
QUESTION
I have the following regular expression:
...ANSWER
Answered 2020-Dec-16 at 11:12With SublimText and multi select (ctrl + d on "|" char)
QUESTION
I have a transaction table t1
in Hive that looks like this:
ANSWER
Answered 2020-Nov-18 at 17:41Window functions do not need group by
. You either want:
QUESTION
Hy, I am using a spreadsheet template, to calculate the Franchise Fee and Market Fee on each sale. The idea is that I will pay the franchise fee onetime, either in multiple sales or in a single sale and the total franchise fee should be only $3000, not less or greater when the fee will $3000, I will not bound to pay franchise fee on other sales. This scenario is the same for the market fee, but the market fee which I will pay is $20,000, and if I paid this fee in single or multiple sales, after this, I will not bound to pay this fee. I am trying it to solve it using the formula below but it is not giving me the exact amount. It is exceeding the limit.
...ANSWER
Answered 2020-Nov-11 at 21:20Limit the last payment to Max - Current Sum
ie.
QUESTION
I have some vanilla JavaScript that changes the innerHTML of a div and then runs a computationally heavy loop. Right now it freezes the browser and doesn't show any updated stuff until it finishes everything.
Instead I'd like to force a redraw immediately after I change the innerHTML and breakup the loop into individual steps that doesn't freeze the browser.
I tried putting the loop into a setTimeout with a value of 1, but that didn't do anything. It did seem to work (in Chrome at least) with a timeout of at least 100ms, but that causes a noticeable delay.
I also tried some other things to force a redraw (like this and some of these) but it didn't work.
I also tried to split the loop into individual steps but again had issues with the timeout time as well as performing an iterated variable through a timeout function.
...ANSWER
Answered 2020-Nov-05 at 06:15when manipulating dom it advisable to process them into RAF/or function loop and not for loop
, since it's a rendering you should wait for each rendering step to finish before moving to the next one without bogging the whole CPU/RAM usage.
with function loop you could do
QUESTION
My data looks like this:
...ANSWER
Answered 2020-Oct-28 at 13:33With counts of 3 specific values, writing the functions manually seems reasonable. If you need specific counts of more distinct values we could come up with a better way to generalize - probably converting your data to long format, summarizing, and then going back to wide.
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