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T-SQL: Selecting rows to delete via joins
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In MySQL you would get an error "Unknown table 'TableA' in MULTI DELETE" and that is because you declared an alias for TableA (a). Small adjustment: DELETE a FROM TableA a INNER JOIN TableB b on b.Bid = a.Bid and [my filter cond...
What is the difference between ApplicationContext and WebApplicationContext in Spring MVC?
...let Spring application are Web Application contexts, this goes both to the root webapp context and the servlet's app context.
Also, depending on web application context capabilities may make your application a little harder to test, and you may need to use MockServletContext class for testing.
Dif...
Best way to synchronize local HTML5 DB (WebSQL Storage, SQLite) with a server (2 way sync) [closed]
...ains a JS library to synchronize the local HTML5 SQLite DB to a server DB (MySQL or other) :
http://quickconnect.pbworks.com/Using-Enterprise-Synchronization
To use this lib, you need to use the DataAccessObject of the framework to access your DB. It works by storing all the SQL request applied t...
Python logging not outputting anything
...default logging level is warning.
Since you haven't changed the level, the root logger's level is still warning.
That means that it will ignore any logging with a level that is lower than warning, including debug loggings.
This is explained in the tutorial:
import logging
logging.warning('Watch ou...
Webstorm: “Cannot Resolve Directory”
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To make file references to a non-root folder in your project, you'll need to mark that directory as a Resource. To do this, go to Settings > Directories and select your asset root folder from the right-hand panel. Then mark it as Resource Root by clicking...
How do I get the different parts of a Flask request's url?
...ibutes would be the following:
path /page.html
script_root /myapplication
base_url http://www.example.com/myapplication/page.html
url http://www.example.com/myapplication/page.html?x=y
url_root http://www.example.com/myapplication/
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How to set up a PostgreSQL database in Django
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isn't there anything like MySQL workbench for Postgres?
– Sidhin S Thomas
Jun 27 '17 at 13:40
1
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Unable to verify leaf signature
...ity you can add the necessary certificates to the chain. First install ssl-root-cas package from npm:
npm install ssl-root-cas
This package contains many intermediary certificates that browsers trust but node doesn't.
var sslRootCAs = require('ssl-root-cas/latest')
sslRootCAs.inject()
Will add...
node and Error: EMFILE, too many open files
...ID USER FD TYPE DEVICE SIZE/OFF NODE NAME
...
nodejs 12211 root 1012u IPv4 151317015 0t0 TCP 10.101.42.209:40371->54.236.3.170:80 (ESTABLISHED)
nodejs 12211 root 1013u IPv4 151279902 0t0 TCP 10.101.42.209:43656->54.236.3.172:80 (ESTABLISHED)
nodejs 12211 ...
Best practice for Django project working directory structure
...s_dev.txt.
Some services (eg. heroku) requires to have requirements.txt in root directory.
setup.py
Useful when deploying project using setuptools. It adds manage.py to PATH, so I can run manage.py directly (anywhere).
Project-specific apps
I used to put these apps into project_name/apps/ directory ...