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How to test equality of Swift enums with associated values
...atable protocol to your enum.
enum SimpleToken: Equatable {
case Name(String)
case Number(Int)
}
let t1 = SimpleToken.Number(123)
let t2 = SimpleToken.Number(123)
Before Swift 4.1
As others have noted, Swift doesn't synthesize the necessary equality operators automatically. Let me propos...
How to scale an Image in ImageView to keep the aspect ratio
... were having this on our image view, where the height included all of this extra whitespace. It isn't "transparent pixels", since we had fill_parent for width, and wrap_content for height. If you don't have adjustViewBounds=true, then you get the extra whitespace. After setting that to true, our iss...
How to use the IEqualityComparer
...class.
public class Person : IEquatable<Person>
{
public Person(string name, string hometown)
{
this.Name = name;
this.Hometown = hometown;
}
public string Name { get; set; }
public string Hometown { get; set; }
// can't get much simpler than this!
...
What is the { get; set; } syntax in C#?
...r the following (similar code will be generated by the compiler):
private string name;
public string Name
{
get
{
return this.name;
}
set
{
this.name = value;
}
}
share
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Selecting data from two different servers in SQL Server
... ]
[ , [ @location= ] 'location' ]
[ , [ @provstr= ] 'provider_string' ]
[ , [ @catalog= ] 'catalog' ]
Read more about sp_addlinkedserver.
You have to create linked server only once. After creating linked server, we can query it as follows:
select * from LinkedServerName.Datab...
rails i18n - translating text with links inside
...Rails 3 the syntax for this has changed to %{href} in the YAML translation string. Also, because output is automatically escaped, you need to either specify raw or .html_safe explicitly, or suffix your translation key with _html, as in login_message_html and escaping will be skipped automatically.
...
Mutex example / tutorial? [closed]
... entry to the room much like the phone booth. So now, even though you have extra mutexes, you can reuse the phone booth in any project. Another option would be to expose locking mechanisms for each device in the room and manage the locks in the room class. Either way, you wouldn't add new locks to t...
GitHub README.md center image
...
This works great, but using an anchor (#) over query string (?) is probably a better solution as I posted in this answer: stackoverflow.com/questions/255170/markdown-and-image-alignment/… - however I don't believe the github readme.md supports defining css.
...
Warning: The Copy Bundle Resources build phase contains this target's Info.plist file
...n83, you will get the build warning, and the built product will contain an extra copy of Info.plist taking up a little space.
– JWWalker
Jan 16 '15 at 1:01
1
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How do I include a pipe | in my linux find -exec command?
...y does make the matched classname bold as the fgrep highlights the matched string; this makes it really easy to scan down the list of hundreds of jar files that were searched and easily see any matches.
on windows you can do the same thing with:
for /R %j in (*.jar) do @echo %j & @jar tf %j | ...