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How to create a new file together with missing parent directories?
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answered Jun 22 '10 at 6:32
Jon SkeetJon Skeet
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How to check if an array field contains a unique value or another array in MongoDB?
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220
Try this out:
db.blogpost.find({ 'tags' : 'tag1'}); //1
db.blogpost.find({ 'tags' : { $all : [ ...
What is the difference between 'protected' and 'protected internal'?
...ess modifier is a union of both the "protected" and "internal" modifiers.
From MSDN, Access Modifiers (C# Programming Guide):
protected:
The type or member can be accessed only by code in the same class or
struct, or in a class that is derived from that class.
internal:
The type or mem...
Load data from txt with pandas
... than having a separate line to add column names, it's possible to do this from pd.read_csv.
df = pd.read_csv('output_list.txt', sep=" ", header=None, names=["a", "b", "c"])
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Redis cache vs using memory directly
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Didier SpeziaDidier Spezia
60.6k1010 gold badges156156 silver badges139139 bronze badges
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How to find all the subclasses of a class given its name?
I need a working approach of getting all classes that are inherited from a base class in Python.
10 Answers
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SQLAlchemy default DateTime
... key should be an input to the Column function. Try this:
import datetime
from sqlalchemy import Column, Integer, DateTime
from sqlalchemy.ext.declarative import declarative_base
Base = declarative_base()
class Test(Base):
__tablename__ = 'test'
id = Column(Integer, primary_key=True)
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Catching all javascript unhandled exceptions
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NishNish
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Why does javascript map function return undefined?
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edited Dec 18 '13 at 8:01
answered Apr 16 '13 at 12:28
I...
What is the difference between Culture and UICulture?
...nd so on) is presented. Here are a few examples:
var date = new DateTime(2000, 1, 2);
var number = 12345.6789;
Thread.CurrentThread.CurrentCulture = new CultureInfo("de-DE");
Console.WriteLine(date); // 02.01.2000 00:00:00
Console.WriteLine(number.ToString("C")); // 12.345,68 €
Thread.CurrentTh...