i3 | i3 setup theway you want and install
kandi X-RAY | i3 Summary
kandi X-RAY | i3 Summary
This will explain what stems you need to have i3 setup theway you want and install all the necessary features.
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QUESTION
I wanted to make a code that would give me all the answers to this question
My code:
...ANSWER
Answered 2021-Jun-13 at 15:27the loop will never because the ending condition is unreachable due to the list being set empty at the beginning of the loop. just cancel the line where the list is set empty inside the loop and it should work:
QUESTION
I recently found out there is a very handy method in three-box for placing three.js objects on the map which is "projectToworld".
While trying to place my three.js objects using the method, I realized that the Vector3 the method returns are really huge and not on the map.
According to the documentation of threebox, it says
projectToWorld
tb.projectToWorld(lnglat) : THREE.Vector3
Calculate the corresponding THREE.Vector3 for a given lnglat. It's inverse method is tb.unprojectFromWorld.
So I decided to use this method to locate my animated object in three js canvas. But what the methods returns are really huge.
So as I expected, these values don't place the three objects on the map and all the objects disappeared because they presumably are placed at very distant locations.
How do I fix this issue?
I made a minimal code to demonstrate this issue as below.
...
- instantiating map
ANSWER
Answered 2021-Jun-12 at 22:39It's strange that no one could answer this question. So I finally figured out how to make it by myself.
The solution is in the following link.
The primary reason was that mapbox plots things not based on its vector configuration. It renders things through its matrix as follows.
var m = new THREE.Matrix4().fromArray(matrix); var l = new THREE.Matrix4().makeTranslation(modelTransform.translateX, modelTransform.translateY, modelTransform.translateZ) .scale(new THREE.Vector3(modelTransform.scale, -modelTransform.scale, modelTransform.scale))
QUESTION
I need a container that meets this scenario:
- Needs to be a member of a class
- Needs to contain pointers to a custom type
- The elements are sorted using a non-unique priority value (an integer. for example: priority 0 items go before priority 1 items, before priority 2 items. Order between items of the same priority is non-important)
- Cannot use boost or any other external library
Optionally , it would be really good if I don't have to create an additional class/struct to support sorting. Also, up to C++17 is good.
Note, I am using (auto item : collection
), but if this only works with traditional iterators, that is also fine.
So for example:
...ANSWER
Answered 2021-Jun-09 at 03:33A std::multiset
with a custom compare function will suffice:
QUESTION
I have the following data structure:
...ANSWER
Answered 2021-Jun-08 at 21:24We just need to wrap the which
location index within slice
to subset the rows, and then do the summarise
QUESTION
(i1) lw $1,40($2)
(i2) add $2,$3,$3
(i3) add $1,$1,$2
(i4) sw $1,20($2)
...ANSWER
Answered 2021-Jun-07 at 15:18First, let's state that this question applies to a pipelined processor, rather than a single cycle processor.
Second, let's assume that WB
(write back) executes instantly at the beginning of the cycle — this is realistic b/c WB
doesn't have to compute anything and the value for it to store into the register file is available at the very beginning of the cycle.
And that then the ID
from a later instruction can capture the value written by WB
from an earlier instruction, via overlap in the same cycle.
QUESTION
I would like to copy some columns data from two different sheets. Columns are not the same since this information comes from two different data bases.
The highlighted columns are the information I need to copy into the new Database:
In this database there are two green highlighted columns.
If there's id data on column "M" I take this if not I copy from column "F":
My code works. The problem is from the moment I load an important amount of data, Excel crashes.
...ANSWER
Answered 2021-Feb-26 at 16:23Some suggestions below. You do not need to loop for most of the copying, and as Nathan points out you could switch to assigning Value
directly as that would be faster, as long as you don't also need to copy formatting.
QUESTION
I have a huge memory block (bit-vector) with size N bits within one memory page, consider N on average is 5000, i.e. 5k bits to store some flags information.
At a certain points in time (super-frequent - critical) I need to find the first bit set in this whole big bit-vector. Now I do it per-64-word, i.e. with help of __builtin_ctzll
). But when N grows and search algorithm cannot be improved, there can be some possibility to scale this search through the expansion of memory access width. This is the main problem in a few words
There is a single assembly instruction called BSF
that gives the position of the highest set bit (GCC's __builtin_ctzll()
).
So in x86-64 arch I can find the highest bit set cheaply in 64-bit words.
But what about scaling through memory width?
E.g. is there a way to do it efficiently with 128 / 256 / 512 -bit registers?
Basically I'm interested in some C API function to achieve this, but also want to know what this method is based on.
UPD: As for CPU, I'm interested for this optimization to support the following CPU lineups:
Intel Xeon E3-12XX, Intel Xeon E5-22XX/26XX/E56XX, Intel Core i3-5XX/4XXX/8XXX, Intel Core i5-7XX, Intel Celeron G18XX/G49XX (optional for Intel Atom N2600, Intel Celeron N2807, Cortex-A53/72)
P.S. In mentioned algorithm before the final bit scan I need to sum k (in average 20-40) N-bit vectors with CPU AND (the AND result is just a preparatory stage for the bit-scan). This is also desirable to do with memory width scaling (i.e. more efficiently than per 64bit-word AND)
Read also: Find first set
...ANSWER
Answered 2021-May-25 at 21:12You may try this function, your compiler should optimize this code for your CPU. It's not super perfect, but it should be relatively quick and mostly portable.
PS length
should be divisible by 8 for max speed
QUESTION
I am using a 2 gb ram intel core i3 vaio laptop with vscode to learn flutter. I am using adb to connect to my android device. My laptop is taking a very long time for the build process. Are there any tips to speed up the build process as I don't have the budget to upgrade my setup.
...ANSWER
Answered 2021-Jun-02 at 16:17Its very difficult to increase speed but there is way to increase speed i.e use linux(recommend linux that uses less ram) instead of windows.But speedd is less to use flutter in it also but it better than windows
QUESTION
I'm struggling with updating point geometry in Three JS. I tried to move individual points and eventually move to a point I want. To keep things clean, I created a class constructor.
And it is rendered fine and rotates fine. But only the point position is not updated.
I tried to update them like below.
...ANSWER
Answered 2021-May-28 at 18:38function animate(target) {
This line does not work. The argument of the animation callback functions is always a time value. Hence target.length
is undefined
and no geometry data are updated.
QUESTION
I have a problem connecting to the ipmi server via paramiko in this code:
...ANSWER
Answered 2021-May-26 at 08:45Your server/device seems to require some dummy keyboard interactive authentication:
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