datatools | DataTools in Python
kandi X-RAY | datatools Summary
kandi X-RAY | datatools Summary
DataTools in Python
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Top functions reviewed by kandi - BETA
- Create a parallel pipeline
- Transforms pandas dataframe
- Extract data from a ticker
- Load data from pandas dataframe
- Get asset prices from dask data
- Get dask data for a given ticker
- Convert a protobuf Message to bytes
- Construct Asset Price message from a pandas DataFrame
- Calculate the output of a benchmark
- Get price data for a ticker
- Get prices for a given ticker
- Read ticker prices
- Get prices for a specific ticker
- Get tickers from db
- Get all ticker prices
- Read a parquet file
- Write dataframe to table
- Return a pandas dataframe
datatools Key Features
datatools Examples and Code Snippets
Community Discussions
Trending Discussions on datatools
QUESTION
I am trying to get the second last value in each row of a data frame, meaning the first job a person has had. (Job1_latest is the most recent job and people had a different number of jobs in the past and I want to get the first one). I managed to get the last value per row with the code below:
first_job <- function(x) tail(x[!is.na(x)], 1)
first_job <- apply(data, 1, first_job)
...ANSWER
Answered 2021-May-11 at 13:56You can get the value which is next to last non-NA value.
QUESTION
I am a new python user here and am trying to append data together that I have pulled from a pdf using Camelot but am having trouble getting them to join together.
Here is my code:
...ANSWER
Answered 2021-Apr-20 at 03:22You can use pandas.concat() to concat a list of dataframe.
QUESTION
I have built software that is capable of exporting DTSX package automatically. This package among other objects has also a ScriptTask (C#). All are compiled and run just fine.
Now the new requirement is to call a class in that ScriptTask, which exists inside an external DLL we have built, so other applications can consume the same code. We did our homework, and we included this DLL into the GAC successfully during the installation of the software.
The problem is that "using our library" is still not recognized in the script.
While searching a little bit, we figured out, that we need to reference this DLL also inside the References folder. This we can do it of course via DataTools / VisualStudio UI.
The issue is that we need to do that programmatically:
We have this piece of code that generates the Project
...ANSWER
Answered 2020-Nov-13 at 12:51Updated Answer
You can programmatically update the script task by replacing the appropriate XML node in the the DTSX file
The node path depends on where the script task has been created within the SSIS package, in my case the node path was
/DTS:Executable/DTS:Executables/DTS:Executable/DTS:ObjectData/pipeline/components/component[@refId="Package\Data Flow Task\Script Component"]/properties
The @refId you will be looking for will start with Package \ Dataflow name \ Component name
This node will have sub nodes which contains the C# scripts as well as the binary that was built off this script
The property name "SourceCode" contains the C# scipts in an array called arrayElements, the array will have three sub nodes for each file, these subnodes are called arrayElement, first value is the relative path and name, second is file encoding and third is the file content
The property name "BinaryCode" contains the .dll that was build from the scripts, it also contains an arrayElement array with two entries, first the dll name and the second the base64 encoded dll binary
To get the data to populate these items you will need to create a template of the C# build directory, apply your changes, build the code and take the resulting files and replace them on their appropriate nodes
To create the template open the script via SSIS task,
- Click on the project in solution explorer to and go file save VstaProject.sln
- Go to the saved folder, you get the folder off the solutions properties dialog
- Copy this folder somewhere so that you can reuse it to build your custom stuff
- Modify the .cs files in your template directory and add your custom reference dll's to your .csproj file
- Call MSBUILD in the same directory as your .csproj to output the dll, its important that you use the VS MSBUILD, VS2017 you can find it in
C:\Program Files (x86)\Microsoft Visual Studio\2017\Professional\MSBuild\15.0\Bin\msbuild.exe
- Take these files and package them into a XML node in the DTSX file
Initial Answer
Microsoft provides a workaround for loading DLL's that aren't in the GAC
Load assembly that isnt in the GAC
Please see below extract from a SSIS script, I loaded the JSON dll's from the nuget install directory. This DLL is not in the GAC
QUESTION
I'm trying to automate the task of querying for data on this site using Puppeteer. So I need to select the dataset (Daily Summaries, 1st option), then select location type (State, 3rd option), then select state (Alaska, 2nd option). The problem is my code does not change to the next table. So instead of selecting the 3rd option (State) after selecting the 1st option in dataset (Daily Summaries), it just selects the 3rd option but in dataset table again! I am new to Puppeteer so I don't really know what to do with this. Any help is appreciated.
Below is my code:
...ANSWER
Answered 2020-May-07 at 13:07The problem you have there is that CSS transitions are preventing you from clicking those elements. One possible solution would be disabling all CSS animations on the page.
You can add that after the goto
call:
QUESTION
We are trying to convert JSON to POJO and then use this POJO data source in BIRT. We are passing json string as a report parameter. We have also linked the same to dataset parameter. Conversion of json string to java objects works when run individually in eclipse. However when we run the report, we get the below exception:
org.eclipse.birt.report.engine.api.EngineException: Cannot execute the statement. org.eclipse.datatools.connectivity.oda.OdaException ; java.lang.reflect.InvocationTargetException
Due to this exception we are unable to view the report in BIRT. Has anyone faced such an issue before? If yes, please let us know the resolution. Any pointers to solve this exception is really helpful. Thanks in advance.
...ANSWER
Answered 2018-Nov-01 at 12:44Even I was facing the same issue. Then I realized I had not added supported jars in the BIRT POJO Data Source. Along with the main POJO jar file, please add all the supporting libraries or jar files the classes in POJO jar refers to in the POJO Data Source. For example if the class needs GSON jar, add that jar file in the POJO Data Source.
QUESTION
I am having an issue with the SSDT installation for VS2017.
I have ran the installer three times, once basic, once following VS update and the last following some minor windows updates.
All 3 times the logs stumble at the same point, anyone know what this .exe it is trying to run is (I am running the installer with Admin...). I read somewhere for a similar error that it might be the SDK but I am able to run this locally, any nice workarounds to having this installed out there?
...ANSWER
Answered 2017-Sep-26 at 08:53Previous failed installations left VS2017 recognising that the installation was present in Visual Studio Installer. I removed the installation, restarted and the re-install was successful...
QUESTION
I have an API key on a corporate account with all of the relevant API's enabled, including Google Maps API for iOS, Google Places, and Geocoding/Reverse Geocoding.
The API key is correct, I double and triple checked.
This solution works perfectly on Android. But, on iOS, this code barfs, completely... and even setting a timeout doesn't work, the function call to GetAsync NEVER returns.
This is a Xamarin.Forms project, and this code is being executed in the main PCL.
What is going on here?
...ANSWER
Answered 2019-Sep-13 at 20:56I fixed it. What was happening was that while this code was in the PCL code, the code that called it was in the platform-specific code. I created some interfaces and fired some events that got the PCL code to run this code, and it worked.
I don't know WHY it worked... but it worked.
QUESTION
I'm trying to set a connection timeout for a project that uses Eclipse's Data Tools Platform. The purpose is to prevent waiting if a database connection takes too long to establish. The project supports several database types.
If the project used plain java.sql, I could set the timeout as follows:
...ANSWER
Answered 2019-Jul-17 at 22:37After some research, I discovered that creating an IConnectionProfile actually uses java.sql.DriverManager under the covers. If I set DriverManager.setLoginTimeout before creating the connection profile, the timeout is recognized.
However, I also learned that setLoginTimeout is not guaranteed to be recognized by all drivers. For instance, Informix, Netezza, and PostgreSQL did not use the time set by setLoginTimeout. For my use case, those databases did not apply, so I just used setLoginTimeout.
While I didn't use it for my solution, it is possible to use properties to set the login timeout (see original post). However, the property name and value type (seconds or milliseconds) are driver dependent.
Following are the results for individual databases I tested.
Here are the results of my tests using using setLoginTimeout with a low value (2 seconds) and a URL guaranteed to timeout:
- DB2 UDB - works
- DB2 zOS - works
- HIVE - works
- INFORMIX - does not work - uses its own timeout (20+ seconds)
- NETEZZA - does not work - uses its own timeout (20+ seconds)
- ORACLE - works (about 2-3 seconds slow)
- POSTGRES - does not work - uses its own timeout 10+ sec
- SQL_SERVER - works
- SYBASE - works
- TERADATA - works
Here are the test results using properties (the property name and value type are in parentheses):
- DB2 UDB (loginTimeout, seconds) - works
- DB2 zOS (loginTimeout, seconds) - works
- HIVE (loginTimeout, seconds) - works
- INFORMIX (INFORMIXCONTIME, seconds) - works
- ORACLE (oracle.net.CONNECT_TIMEOUT, milliseconds) - works (about 2-3 seconds slow)
- POSTGRES - no property found
- NETEZZA (loginTimeout, seconds) - works if the property is in the URL instead of a separate property.
- SQL_SERVER (loginTimeout, seconds) - works
- SYBASE - no property found
- TERADATA - no property found
QUESTION
I can not use a specific DLL in SSIS script-task. In c# console-project anything is fine. SSIS throws the error:
Error: The Type "Microsoft.SharePoint.Client.ClientRuntimeContext" in assembly "Microsoft.SharePoint.Client, Version=14.0.0.0, Culture=neutral PublicKeyToken=...." could not be loaded.
I am running Visual Studio 2017 with Datatools. I got the libraries from NuGet-paket-manager and saved them local on C:/
- Microsoft.SharePoint.Client, Version 14.0.0.0, Runtime-Version v2.0.50727
- Microsoft.SharePoint.Client.Runtime, Version 15.0.0.0, Runtime-Version v4.0.30319
My console-project is .NET 4.6 and i ve setted the SSIS project also to .NET 4.6. In both cases I added the libraries with rightclick on References > Add > Search from computer
I just tested a console-project without any problems:
...ANSWER
Answered 2019-Jul-01 at 10:39I have finally found the mistake...
I had to load first
- Microsoft.SharePoint.Client.Runtime.dll
And afterwards i had to load the other library
- Microsoft.SharePoint.Client.dll
So in Main I switched the library-loading:
QUESTION
I am using Kony Visualizer Starter, as I have to integrate the process with Jenkins, and execute automation test cases on the build, I have to generate a .apk file.
When I execute ant -file build.xml
command. I encounter following error.
ANSWER
Answered 2019-Jan-22 at 10:25You cannot generate an installable binary -i.e. Android .apk
nor iOS .ipa
- using Visualizer Starter. Visualizer Starter is meant as a prototyping tool only, used for quick ideation and for UX designers.
In order to build a .apk
file you'll need to install Visualizer Enterprise. All downloads are available from the Kony release site here. You'll have to register for a Kony developer account in order to download, but this is free of charge.
Once you have installed Visualizer Enterprise, you'll be able to build the .apk from the Visualizer UI or from the command line.
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