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How to make Entity Framework Data Context Readonly
...nsumer.
public class ReadOnlyDataContext
{
private readonly DbContext _dbContext;
public ReadOnlyDataContext(DbContext dbContext)
{
_dbContext = dbContext;
}
public IQueryable<TEntity> Set<TEntity>() where TEntity : class
{
return _dbContext.Set...
How do you split and unsplit a window/view in Eclipse IDE?
...ditor.
Current shortcut for splitting is:
Azerty keyboard:
Ctrl + _ for split horizontally, and
Ctrl + { for split vertically.
Qwerty US keyboard:
Ctrl + Shift + - (accessing _) for split horizontally, and
Ctrl + Shift + [ (accessing {) for split vertically.
MacOS - Qwe...
Disable a Button
...
I also get an error if I change (_ sender: ) to UIButton . The error reads: Value of type '(UIButton) -> ()' has no member 'isEnabled'
– user9470831
Feb 5 '19 at 4:25
...
Displaying the build date
...Info target = null)
{
var filePath = assembly.Location;
const int c_PeHeaderOffset = 60;
const int c_LinkerTimestampOffset = 8;
var buffer = new byte[2048];
using (var stream = new FileStream(filePath, FileMode.Open, FileAccess.Read))
stream.Read(buffer, 0, 2048);
...
Cannot open include file 'afxres.h' in VC2010 Express
...nks, then i get the error: error RC2104: undefined keyword or key name: IDC_STATIC
– clamp
Aug 25 '10 at 13:16
@clamp:...
What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function
...cure at a second look. This only makes sense to me if you are working with __dict__, and the keywords are going to become attributes later, something like that.
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How do I reference a javascript object property with a hyphen in it?
...re not allowed in js variables.
This regex pretty much sums it up
[a-zA-Z_$][0-9a-zA-Z_$]*
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Looping through a hash, or using an array in PowerShell
... how:
$hash = @{
a = 1
b = 2
c = 3
}
$hash.Keys | % { "key = $_ , value = " + $hash.Item($_) }
Output:
key = c , value = 3
key = a , value = 1
key = b , value = 2
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How do I write data into CSV format as string (not file)?
...
You could use StringIO instead of your own Dummy_Writer:
This module implements a file-like class, StringIO, that reads and writes a string buffer (also known as memory files).
There is also cStringIO, which is a faster version of the StringIO class.
...
Array include any value from another array?
....include?(food) }
=> true
Benchmark script:
require "benchmark"
N = 1_000_000
puts "ruby version: #{RUBY_VERSION}"
CHEESES = %w(chedder stilton brie mozzarella feta haloumi).freeze
FOODS = %w(pizza feta foods bread biscuits yoghurt bacon).freeze
Benchmark.bm(15) do |b|
b.report("&, emp...