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Why use Ruby's attr_accessor, attr_reader and attr_writer?
.....
end
Here, I can see that I may only read the age. Imagine that it is set by the constructor of this class and after that remains constant. If there were a mutator (writer) for age and the class were written assuming that age, once set, does not change, then a bug could result from code callin...
Compiling Java 7 code via Maven
...with my OSX installation of Oracle's JDK 7, and I didn't do anything fancy setting it up (the script looks for a folder Library/Java/JavaVirtualMachines/CurrentJDK which didn't exist for me (what did exist is jdk1.7.0_25.jdk instead of CurrentJDK). Not an elegant fix but I just hardcoded the export ...
Android dex gives a BufferOverflowException when building
...
For me to make it work, I also had to set the target SDK to the latest version (19).
– RolandK
Nov 27 '13 at 10:20
...
How to exclude property from Json Serialization
... following (simplified) case:
public class User {
public int Id { get; set; }
public string Name { get; set; }
[ScriptIgnore]
public bool IsComplete
{
get { return Id > 0 && !string.IsNullOrEmpty(Name); }
}
}
In this case, only the Id and the Name proper...
How do I move the turtle in LOGO? [closed]
...
Turtle Commands
BACK ## [BK] - Move turtle back
BACKGROUND ## [BG] - Set Background color (0-15)
0 - Black
1 - White
2 - Red
3 - Cyan
4 - Purple
5 - Green
6 - Blue
7 - Yellow
8 - Orange
9 - Brown
10 - Light Red
11 - Grey 1
12 - Grey 2
13 - Light Green
14 - Light Blue
15 - Grey 3
CLEARSC...
Using Custom Domains With IIS Express
...ing but port :80, make sure Skype isn't using port 80, etc.)
Optionally: Set the Start URL to http://dev.example.com
Open %USERPROFILE%\My Documents\IISExpress\config\applicationhost.config (Windows XP, Vista, and 7) and edit the site definition in the <sites> config block to be along the l...
iPhone App Minus App Store?
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You should see "This root certificate is not trusted". This is expected.
Set the iPhone SDK to allow the self-signed certificate to be used:
sudo /usr/bin/sed -i .bak 's/XCiPhoneOSCodeSignContext/XCCodeSignContext/' /Developer/Platforms/iPhoneOS.platform/Info.plist
If you have Xcode open, re...
MongoDB - Update objects in a document's array (nested updating)
...456, "items.item_name" : {$ne : "my_item_two" }} ,
{$addToSet : {"items" : {'item_name' : "my_item_two" , 'price' : 1 }} } ,
false ,
true);
For your question #2, the answer is easier. To increment the total and the price of item_three in any docume...
Generate a random double in a range
... Ah I see. Basically, multiplying a number that can take a finite set of values doesn't change the size of that set.
– Kartik Chugh
Aug 22 '19 at 14:27
add a comment
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How to force NSLocalizedString to use a specific language
...ss the "AppleLanguages" key in NSUserDefaults to determine what the user's settings for preferred languages are. This returns an array of language codes, with the first one being the one set by the user for their phone, and the subsequent ones used as fallbacks if a resource is not available in the...