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What is attr_accessor in Ruby?
...son.name = "Dennis"
person.greeting # => "Hello Dennis"
That's it. In order to understand how attr_reader, attr_writer, and attr_accessor methods actually generate methods for you, read other answers, books, ruby docs.
...
Objective-C: Where to remove observer for NSNotification?
...
I'd turn the order of these instructions around... Using self after [super dealloc] makes me nervous... (even if the receiver is unlikely to actually dereference the pointer in any way, well, you never know, how they implemented NSNotific...
xUnit : Assert two List are equal?
...zes collections so you just need to do
Assert.Equal(expected, actual); // Order is important
You can see other available collection assertions in CollectionAsserts.cs
For NUnit library collection comparison methods are
CollectionAssert.AreEqual(IEnumerable, IEnumerable) // For sequences, order ...
Mapping composite keys using EF code first
...
You definitely need to put in the column order, otherwise how is SQL Server supposed to know which one goes first? Here's what you would need to do in your code:
public class MyTable
{
[Key, Column(Order = 0)]
public string SomeId { get; set; }
[Key, Column(...
How can I convert a zero-terminated byte array to string?
...
What if your byte array is in the reverse order aka little endian?
– Sir
Nov 22 '17 at 0:39
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show 3 more c...
What is JavaScript garbage collection?
...for a web programmer to understand about JavaScript garbage collection, in order to write better code?
9 Answers
...
Force R to stop plotting abbreviated axis labels - e.g. 1e+00 in ggplot2
...ayed, as opposed to scales::comma which only does comma separations of the orders of magnitude.
For example:
require(ggplot2)
require(scales)
df <- data.frame(x=seq(1, 1e9, length.out=100), y=sample(100))
# Here we define spaces as the big separator
point <- format_format(big.mark = " ", de...
How do I deal with certificates using cURL while trying to access an HTTPS url?
... error:
curl: (77) error setting certificate verify locations:
CAfile: /etc/pki/tls/certs/ca-bundle.crt
CApath: none
The issue was that curl expected the certificate to be at the path /etc/pki/tls/certs/ca-bundle.crt but could not find it because it was at the path /etc/ssl/certs/ca-certifica...
NULL values inside NOT IN clause
...Logic can be a bit confusing at first but it is essential to understand in order to write correct queries in TSQL
Another article I would recommend is SQL Aggregate Functions and NULL.
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How do you make a deep copy of an object?
...copy constructor. Obvious but might be overlooked.
Example:
public class Order {
private long number;
public Order() {
}
/**
* Copy constructor
*/
public Order(Order source) {
number = source.number;
}
}
public class Customer {
private String nam...