Unworkable | Asynchronous Bittorrent Client written in C | Runtime Evironment library
kandi X-RAY | Unworkable Summary
kandi X-RAY | Unworkable Summary
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QUESTION
I'm writing a program that obtains data from a database using pyodbc, the end goal being to analyze this data with a pandas.
as it stands, my program works quite well to connect to the database and collect the data that I need, however I'm having some trouble organizing or formatting this data in such a way that I can analyze it with pandas, or simply write it out clean to a .csv file (I know I can do this with pandas as well).
Here is the basis of my simple program:
...ANSWER
Answered 2021-May-07 at 19:42Why not just import the data directly into pandas ? df = pd.read_sql_query(sql_query, db.connection)
QUESTION
I have four rectangular platforms put around a square platform. All other three rectangular platforms were rotated from the '0' platform. On the end of each rectangular platforms, I set up some spawn points to generate cubes with arrows sign on its face(the image of this cube is shown in the second link). I hope to rotate the cube to change the orientation of the arrow on it. But my original codes that rotating the cube do not work for platform 1 & 3, but work for platform 0&2.
Although I have found how to change it to make it works, I still cannot understand why my original codes failed. The version I used is 2019.4.18f1.
The top view of these platforms are shown below.
Unworkable way
dirCubeTypes is an array that stores all my different kinds of cube objects. dirCubePoints is an array that stores all my spawn points. The first statement works well. The problem is in the second statement.
...ANSWER
Answered 2021-Apr-04 at 07:58I just saw your question update. I believe your misunderstanding stems from not knowing what Vector3.forward
and Transform.forward
are and their core difference. Vector3.forward
is the unit vector defined by (0, 0, 1). The Transform.forward
is a relative direction based on the orientation of your object.
Your first example works in some cases as it just so happens that the Transform.forward
and Vector3.forward
happen to be the same direction.
Your second example works as you are using Vector3.forward
not the relative Transform.forward
Your third example works as you provide the Space.World
, so instead of using local orientations, it is rotating the object in world space relative to the scene.
Your fourth example works as you are using RotateAround
. RotateAround
is different than Rotate
in that it will rotate the transform about your inputted axis (transform.forward), which pass through the point (transform.position) in world coordinates by the angle (90*Random.Range(0,4)) degrees. Effectively moving the local rotation around an axis back to world space.
I hope this clears up why the first example does not work while the last three do.
QUESTION
I'm writing a basic library to experiment with C# hardware intrinsics (System.Runtime.Intrinsics*
namespaces) and have a method that could support any 'hardware' type (Byte
, SByte
... UInt64
, Double
)
When trying to use a generic signature the compiler is unable to work with the generic and cannot choose the correct overload; For example:
...ANSWER
Answered 2021-Feb-27 at 01:43In general you can't do that for generics. At least because Vectors have no generic create methods or cast options. But there's an option for Span
.
QUESTION
I have a directory C:\HotFolders where an application writes csv files every 15 minutes with the filename format YYYYMMDDhhmmss_DG@001991.csv.
I need to copy the new files (as they're created), and paste them into another directory with a minor change to the filename (_DG to _GWL).
I initially tried making an SSMS package (described here: https://jimsalasek.com/2017/03/15/ssis-create-extract-file-with-date-and-time-for-a-filename/ ) to query a SQL database, generate the same file and export to the directory, but issues with SQL versioning has made running the SSIS package (.dtsx file) in SSMS unworkable for now.
I've tried a few python scripts to do this (below) but scanning the directory for the most recent file, copying, and pasting a renamed file on a schedule (say every 5 mins) is throwing me for a loop.
I know batch and powershell are options too, and even 3rd party software, which I'm open to. I just need some guidance on the best approach to take and any code would be appreciated.
Python snippet
...ANSWER
Answered 2021-Feb-02 at 05:16@ECHO OFF
SETLOCAL ENABLEDELAYEDEXPANSION
rem The following settings for the source directory, destination directory, target directory,
rem batch directory, filenames, output filename and temporary filename [if shown] are names
rem that I use for testing and deliberately include names which include spaces to make sure
rem that the process works using such names. These will need to be changed to suit your situation.
SET "sourcedir=u:\your files"
SET "destdir=u:\your results"
:again
:: Find latest converted
SET "latest=20000000000000"
FOR /f "delims=_" %%b IN ('dir /b /a-d /o-n "%destdir%\*_GWL*.csv" 2^>nul' ) DO (SET "latest=%%b"&GOTO gotlatest)
:gotlatest
FOR /f "delims=" %%b IN ('dir /b /a-d /o-n "%sourcedir%\*_DG*.csv" 2^>nul') DO (
FOR /f "tokens=1*delims=_" %%q IN ("%%b") DO IF "%%q" gtr "%latest%" (
rem for each later file
SET "filenametail=%%r"
ECHO COPY "%sourcedir%\%%b" "%destdir%\%%q_GWL!filenametail:~2!"
COPY "%sourcedir%\%%b" "%destdir%\%%q_GWL!filenametail:~2!" >nul
ECHO Press X or Q to EXIT %~n0
) ELSE GOTO wait
)
:wait
:: wait 300 sec (5 min)
choice /c xqc /n /t 300 /d c >nul
IF ERRORLEVEL 3 GOTO again
ECHO Process %~n0 EXIT...
GOTO :EOF
QUESTION
I am trying to write some SQL code as a string within Node.js (Javascript) and each time I press the enter
key IntelliJ is splitting the string like such:
This:
...ANSWER
Answered 2021-Jan-29 at 09:47JavaScript doesn't allow line breaks in string literals (in double/single quotes), the IDE adds concatenation to keep your code valid. If you need adding line breaks to your strings for better readability, turn your string literals into template literals by changing quotes to backticks. This can be done using intention available on Alt+Enter
:
QUESTION
I have a 2xN dataframe of chat messages, and I am trying to find the cleanest way to merge consecutive messages that originate from the same speaker. Here is a sample of the data I am working with:
...ANSWER
Answered 2020-Dec-23 at 14:20A possible solution is this:
QUESTION
I'm considering the purchase of one of the new Macbook M1's. Docker Desktop is apparently unworkable with their Rosetta 2 engine, and all of my development efforts rely on Docker desktop, and a local development environment that auto-reloads when files are changed.
I haven't done much with Docker remote hosts, but I see that this could be a stop-gap solution until Docker rewrites its engine. Google is failing me... can you keep files on your local machine synced up with your Docker remote host?
...ANSWER
Answered 2020-Dec-11 at 15:11No, Docker doesn't do this. Instead, Docker packages your application code into an image; that image can be transferred to a repository (with Docker Hub being the most prominent option), and then run on the remote system, without necessarily needing to have the application code or the interpreter directly installed there. Beyond the image system, Docker has no direct ability to transfer or mount files from one system to another (you could do something like create an NFS-backed named volume, but you would need to run the NFS server yourself).
For day-to-day development, using your language's native isolation system often will work better than trying to simulate a local development environment using Docker. For Python, consider using a tool like Pipfile to create a virtual environment. Python is reasonably platform-independent, so you shouldn't notice any trouble using Apple silicon vs. Intel's.
Don't even consider using the Docker remote API. If you don't configure it perfectly, it's trivial to use it to root the host (and there are many instances of this in the wild). Even if it is configured, you can't use it to mount files from your local system (a docker run -v
bind-mount option is always interpreted relative to the Docker host it runs on). If you need to work directly on the remote host for whatever reason, use an ordinary ssh connection.
QUESTION
I have the following SQL query with a LEFT JOIN
with an OR
condition which makes it almost unworkable - took over 12 hours and then had to be cancelled as it finished to complete.
Is there a better way to write it so it's runnable?
...ANSWER
Answered 2020-Nov-27 at 12:12A UNION usually works much quicker than OR's in a join. Something like this:
QUESTION
DatabaseA and DatabaseB are both on the same Azure server: myhost.database.windows.net. I'm implementing linked tables to access tables from DatabaseA within DatabaseB.
As follows:
...ANSWER
Answered 2020-Aug-19 at 13:52It seems like you have not enabled access to Azure services on your database server.
You can enable this from the "Firewall and virtual networks" blade.
It is not possible to use the internal VNet IP address to configure access.
If you are not comfortable allowing access to all Azure services, you can configure the firewall to selectively allow the IP address ranges of AzureSQL for the region your database is provisioned in.
A list Azure IP ranges and service tags by region is available for download here
Please post here if you face any further issues.
QUESTION
I have a product that can have a series of add-ons and I need to calculate the price of the product with any number of the add-ons included.
At the moment there are five add-ons but there could be more in the future. To start with there were only a couple and I was just hard-coding different combinations but now that I'm up to five that approach is becoming unworkable.
A product might have a base price of $10 with the add-ons having different prices so $10 + A + B, $10 + A + B + C, $10 + A + C + D + E and so on.
There also needs to be multipliers of 3x 6x and 12x for each product, so the previous combinations but with the number that is added to being $30 $60 or $120 if the base price of the product is $10.
How would I do this in PHP ideally also removing duplicate values?
...ANSWER
Answered 2020-Jul-22 at 02:29Instead of treating each add-on as a special case, identify each add-on generically. If you are using an object-oriented structure, this would likely look like an AddOn
interface or base class that would have a method returning its cost and any other attributes that are needed. You would then just start with the base-price price and loop through the multipliers(or 1 if no multiplier). The key part of the solution is using a combination of recursion and iteration to determine all possible permutations of the add-ons.
Something like this:
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