xbar | An tiny XCB information bar | iOS library
kandi X-RAY | xbar Summary
kandi X-RAY | xbar Summary
xbar - a tiny XCB status bar. An incredibly lightweight information bar, designed to print important real-time system metrics. Beyond foreground and background colors, xbar offers limited customization for a distraction-free user experience.
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QUESTION
i calculate percent change in 24 hour by this way that you can see below.
is there any way to get calculated percent directly from kdb by query?
df
should return the percent as final value.
ANSWER
Answered 2022-Apr-17 at 11:45first exec 100*(last[price]-price[0])%price[0] from trades where DateTime > .z.p-0D01, symbol=y
QUESTION
Here is my dataset
...ANSWER
Answered 2022-Mar-22 at 21:09You can actually just use .rolling(2).std()
:
QUESTION
randomsamples5 <- expand.grid(Roll1 = sides, Roll2 = sides, Roll3 = sides,Roll4 = sides, Roll5 = sides)
View(randomsamples5)
Xbar <- apply(randomsamples5, 1, mean)
RandomSamplingValues5 <- cbind(randomsamples5, Xbar = Xbar)
View(RandomSamplingValues5)
View(RandomSamplingValues5)
library(MASS)
Table5 <- fractions(xtabs(~Xbar)/7776)
Table5
ProbabilityDistributionXbar5 <- data.frame(Table5)
View(ProbabilityDistributionXbar5)
x11()
library(ggplot2)
ggplot(ProbabilityDistributionXbar5, aes(x=Xbar,y=Freq)) + geom_segment(aes(x=Xbar,xend=Xbar,y=0,yend=Freq),color="red") + geom_point()
View(ProbabilityDistributionXbar5)
...ANSWER
Answered 2022-Mar-18 at 12:43You can either get the mean of Xbar
directly from the sample space calculation like this:
QUESTION
a:([]time:(2021.01.31D22:18:00.000000000;2021.01.31D22:18:27.134000000;2021.01.31D22:18:27.834000000;2021.01.31D22:21:14.284000000);val:(3.2;2.9;3.9;6.8))
time val
---------------------------------
2021.01.31D22:18:00.000000000 3.2
2021.01.31D22:18:27.134000000 2.9
2021.01.31D22:18:27.834000000 3.9
2021.01.31D22:21:14.284000000 6.8
a1:select last val by 0D00:01 xbar time from a
time | val
-----------------------------| ---
2021.01.31D22:18:00.000000000| 3.9
2021.01.31D22:21:00.000000000| 6.8
a2:update diff:val - last val by 0D00:01 xbar time from a
time val diff
--------------------------------------
2021.01.31D22:18:00.000000000 3.2 -0.7
2021.01.31D22:18:27.134000000 2.9 -1
2021.01.31D22:18:27.834000000 3.9 0
2021.01.31D22:21:14.284000000 6.8 0
...ANSWER
Answered 2022-Feb-14 at 20:45This alternative approach should help you with understanding how the grouping by xbar is working:
QUESTION
ANSWER
Answered 2022-Jan-26 at 12:23The labels are added by the nodes near coords
key. Simply remove it if you don't want to have labels there.
QUESTION
I have created a new stat of type Formula in the xbar.cc/hh files. There I aggregate all the different transDist types. I'd like to use this newly created stat to compute another stat in the BaseCPU object. What is the best way to have access to it (i.e., allTransactions stat) from BaseCPU? Is there any way to make it globally accessible?
...ANSWER
Answered 2021-Nov-24 at 23:40I ended up having a direct line of comminication between the xbar and the CPU objects.
I implemented a function in the Xbar object that returns the statistic that I want, called getAllTrans(). From the CPU object, I call that function and get the value of the statistic. The communication is implemented using the code below.
QUESTION
I am pulling a table from a maradb database using SQL Alchemy like so:
...ANSWER
Answered 2021-Nov-21 at 17:11MariaDB Connector/Python sets utf8mb4 by default and doesn't accept another character set.
Since the result is a binary object, the uuid was stored in a blob (binary) column. Instead of trying to encode it, you need to convert it to a string:
QUESTION
How do I print out all the elements of a Group or Ring in Sagemath?
I am unable to find any command/function in the docs which do this. So I tried through a Python for & I am unable to understand the output
I tried this with a field
...ANSWER
Answered 2021-Nov-17 at 10:26The function print
prints its argument and returns None
,
which is the closest in Python to "not returning anything".
When the return value of a command is None
, it does not
get displayed. Here however you are building a list
of these return values, so you get a list all of whose
elements are None
, and that list does get displayed.
To avoid that, use a for loop without building a list.
QUESTION
I have 100K stores that have different column & my task is to find the best sales from each store. My function is like this:
...ANSWER
Answered 2021-Nov-05 at 07:30If you know what columns in every data frame you don't want to include, you can exclude them as follows.
QUESTION
sorry for the long code, I know you are not here to write code but answer questions, but could someone please point me in the right direction with this error before I pull out the little bit of hair I have left:
The error I'm getting is : Conversion failed, reason: line 19: line 69: Function hma already defined.
Thank you in advance
...ANSWER
Answered 2021-Nov-01 at 21:16hma
is a built-in function. Just remove line 69 from your original code and try to convert again.
Line 69:
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