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Can I query MongoDB ObjectId by date?
I know that ObjectIds contain the date they were created on. Is there a way to query this aspect of the ObjectId?
12 Answer...
How do I get the type name of a generic type argument?
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Your code should work. typeof(T).FullName is perfectly valid. This is a fully compiling, functioning program:
using System;
class Program
{
public static string MyMethod<T>()
{
return typeof(T).FullName;
}
static void Main(string[] ...
In Python script, how do I set PYTHONPATH?
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You don't set PYTHONPATH, you add entries to sys.path. It's a list of directories that should be searched for Python packages, so you can just append your directories to that list.
sys.path.append('/path/to/whatever')
In fact, sys.path is initialized by splitting the value of PYTHONPA...
Adding a regression line on a ggplot
...irst tried with abline but I didn't manage to make it work. Then I tried this...
5 Answers
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SQL multiple column ordering
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ORDER BY column1 DESC, column2
This sorts everything by column1 (descending) first, and then by column2 (ascending, which is the default) whenever the column1 fields for two or more rows are equal.
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Comparator.reversed() does not compile using lambda
I have a list with some User objects and i'm trying to sort the list, but only works using method reference, with lambda expression the compiler gives an error:
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What is 'YTowOnt9'?
...rom. I decided to Google for that particular string, and the result surprised me. Over half a million - kind of random - hits. I haven't found any page describing the value itself. It has 0 hits on Stack Overflow.
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CSS table-cell equal width
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Here is a working fiddle with indeterminate number of cells: http://jsfiddle.net/r9yrM/1/
You can fix a width to each parent div (the table), otherwise it'll be 100% as usual.
The trick is to use table-layout: fixed; and some wi...
Creating an instance using the class name and calling constructor
Is there a way to create an instance of a particular class given the class name (dynamic) and pass parameters to its constructor.
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Change from SQLite to PostgreSQL in a fresh Rails project
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You can change your database.yml to this instead of using the out of the box sqlite one:
development:
adapter: postgresql
encoding: utf8
database: project_development
pool: 5
username:
password:
test: &TEST
adapter: postgresql
encoding: utf...