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Efficiently updating database using SQLAlchemy ORM
... the fields manually:
from sqlalchemy import Column, ForeignKey, Integer, String, Date, DateTime, text, create_engine
from sqlalchemy.exc import IntegrityError
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker
from sqlalchemy.orm.attributes import Instr...
Post-install script with Python setuptools
...nt:
You will make a few additions to setup.py and there is no need for an extra file.
Also you need to consider two different post-installations; one for development/editable mode and the other one for install mode.
Add these two classes that includes your post-install script to setup.py:
from ...
Search for one value in any column of any table inside a database
...served.
-- Purpose: To search all columns of all tables for a given search string
-- Written by: Narayana Vyas Kondreddi
-- Site: http://vyaskn.tripod.com
-- Tested on: SQL Server 7.0 and SQL Server 2000
-- Date modified: 28th July 2002 22:50 GMT
CREATE TABLE #Results (ColumnName nvarchar(370), Co...
Structs in Javascript
...careful if you use the closure compiler. The tuple can only be accessed as string in this case, because the properties are renamed. (At least in advanced mode)
– kap
Mar 24 '16 at 8:15
...
req.query and req.param in ExpressJS
...
req.query will return a JS object after the query string is parsed.
/user?name=tom&age=55 - req.query would yield {name:"tom", age: "55"}
req.params will return parameters in the matched route.
If your route is /user/:id and you make a request to /user/5 - req.params w...
What's the point of const pointers?
...st drop the const from the argument, and preferably comment why. That tiny extra bit of work doesn't justify marking all arguments as non-const by default and opening yourself up to all the potential errors that creates.
– underscore_d
May 23 '17 at 10:20
...
405 method not allowed Web API
...b.Mvc; // Wrong namespace for HttpGet attribute !!!!!!!!!
[HttpGet]
public string Blah()
{
return "blah";
}
SHOULD BE
using System.Web.Http; // Correct namespace for HttpGet attribute !!!!!!!!!
[HttpGet]
public string Blah()
{
return "blah";
}
...
How to describe “object” arguments in jsdoc?
... with a known set of properties (Variant A)
/**
* @param {{a: number, b: string, c}} myObj description
*/
This syntax is ideal for objects that are used only as parameters for this function and don't require further description of each property.
It can be used for @returns as well.
For objects...
Multiple INSERT statements vs. single INSERT with multiple VALUES
... the names in the stack trace it appears to spend a lot of time comparing strings.
This KB article indicates that DeriveNormalizedGroupProperties is associated with what used to be called the normalization stage of query processing
This stage is now called binding or algebrizing and it takes the...
How do I echo and send console output to a file in a bat script?
... always the last one!
So it is equal to dir > two.txt
Ok, there is one extra possibility, redirecting a stream to another stream.
dir 1>files.txt 2>&1
2>&1 redirects stream2 to stream1 and 1>files.txt redirects all to files.txt.
The order is important here!
dir ... 1>...