// npm packages
npm i -g npm-check-updates
ncu -u
npm install
// angular packages
ng update --allRegister generics for Dependency Injection
services.AddTransient(typeof(IExternalApiResponseReader<>),
typeof(ExternalApiResponseReader<>));Enable CORS in .NET Core Web API
// Startup.cs
public void ConfigureServices(IServiceCollection services)
{
services.AddCors(options =>
{
options
.AddPolicy("CorsPolicy", builder => builder
.WithOrigins("http://localhost:4200")
.AllowAnyMethod()
.AllowAnyHeader()
.AllowCredentials());
});
}
}
public void Configure(IApplicationBuilder app, IApiVersionDescriptionProvider provider)
{
app.UseCors("CorsPolicy");
}Remove from git tracking
git rm --cached <file>
git rm --cached <directory> -r
git rm --cached ./ -rbasic angular requirements
// global req.
npm i -g @angular/cliedit git commit details
git rebase -i 0abc12def // <- the commit before the one that needs edit
// use vi to change "pick" to "edit" on the commit(s) that need edits, then write/quit
git commit --amend --author="Christopher Snay <[email protected]>"
// write/quit vi
git rebase --continue // <- repeat until all edited commits complete
git push -f
Scaffold a MySql database from .NET Core
PM> Scaffold-DbContext "server=IP.ADD.RE.SS;user=dbuser;password=dbpass;database=dbname" MySql.Data.EntityFrameworkCore -o dbname -f
Requirement:
Microsoft.EntityFrameworkCore.Tools
Different providers:
MySql.Data.EntityFrameworkCore
Microsoft.EntityFrameworkCore.SqlServer
Install Logstash plugins
logstasn\bin\logstash-plugin install json-filterStart Elasticsearch, Kibana, and Logstash
elasticsearch\version\bin\elasticsearch.exe
kibana\bin\kibana.bat
logstash\bin\logstash -f ..\config\logstashconfig.conf -rDelete data from Elasticsearch
// deletes all data
curl -XDELETE localhost:9200/*
// deletes index
curl -XDELETE localhost:9200/indexname Angular setup
// create new app
ng new <PROJECT_NAME>
cd <PROJECT_NAME>
// install angular material
npm i @angular/material @angular/animations @angular/cdk hammerjs
// generate components
ng g c <COMPONENT_NAME>
// generate services
ng g s <SERVICE_NAME>Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at . (Reason: CORS request did not succeed)
from flask_cors import CORS
app = Flask(__name__)
CORS(app)Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by ‘SSLError(SSLError(1, u'[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:726)’),)’: /simple/pylint/ >>>>>>>> Could not fetch URL https://pypi.python.org/simple/setuptools/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host=’pypi.python.org’, port=443): Max retries exceeded with url: /simple/setuptools/ (Caused by SSLError(SSLError(1, u'[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:726)’),)) – skipping
// add the following flag to the pip command:
--trusted-host files.pythonhosted.org --trusted-host pypi.org// or wherever the error indicates a problem in
<error message>... HTTPSConnectionPool(host='pypi.python.org', port=443)MSBUILD : error MSB3428: Could not load the Visual C++ component “VCBuild.exe”. To fix this, 1) install the .NET Framework 2.0 SDK, 2) install Microsoft Visual Studio 2005 or 3) add the location of the component to the system path if it is installed elsewhere.
npm install -g windows-build-toolsUNABLE_TO_GET_ISSUER_CERT_LOCALLY
npm config set registry http://registry.npmjs.org/ Undo git changes forcibly
git reset --hard HEADcompare 2 files with Visual Studio
// open cmd
<<<path to Visual Studio\Common7\IDE>>>devenv /diff file1 file2Or just create a batch file. Example:
@echo off
echo Drag and drop the first file onto this window. Then press [ENTER]
set /p file1=
echo Drag and drop the second file onto this window. Then press [ENTER]
set /p file2=
"C:\Program Files (x86)\Microsoft Visual Studio 11.0\Common7\IDE\devenv.exe" /diff %file1% %file2%Initial git push via HTTPS
git init
git remote add origin https://<<<repo>>>.git
git add .
git commit -m "some comments"
git push -u origin masterFix “is not digitally signed” powershell error
#Open powershell as administrator
Get-ExecutionPolicy -List
Scope ExecutionPolicy
----- ---------------
MachinePolicy Undefined
UserPolicy Undefined
Process Unrestricted
CurrentUser Unrestricted
LocalMachine Unrestricted
#Set all to Unrestricted where allowed. The first two are usually managed by group policy.
Set-ExecutionPolicy Unrestricted -Scope Process
#type Y and press enterformat curl json
curl -X GET "http://api/path" -H "accept: application/json" | python -mjson.tool