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What is “loose coupling?” Please provide examples
...tly coupled code relies on a concrete implementation. If I need a list of strings in my code and I declare it like this (in Java)
ArrayList<String> myList = new ArrayList<String>();
then I'm dependent on the ArrayList implementation.
If I want to change that to loosely coupled code,...
Should I URL-encode POST data?
... that your POST body will need to be URL encoded just like a GET parameter string. A value of "multipart/form-data" means that you'll be using content delimiters and NOT url encoding the content.
This answer has a much more thorough explanation if you'd like more information.
Specific Answer
For a...
How can I uninstall an application using PowerShell?
...tion, which is not always the default case when using the native uninstall string.
Using the WMI object takes forever. This is very fast if you just know the name of the program you want to uninstall.
$uninstall32 = gci "HKLM:\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall" | f...
Why am I getting an Exception with the message “Invalid setup on a non-virtual (overridable in VB) m
...
public interface IXmlCupboardAccess
{
bool IsDataEntityInXmlCupboard(string dataId, out string nameInCupboard, out string refTypeInCupboard, string nameTemplate = null);
}
And instead of
private Mock<XmlCupboardAccess> _xmlCupboardAccess = new Mock<XmlCupboardAccess>();
change...
What is the fastest way to create a checksum for large files in C#
...implementation (at least on my machine using a 1.2 GB file)
public static string Md5SumByProcess(string file) {
var p = new Process ();
p.StartInfo.FileName = "md5sum.exe";
p.StartInfo.Arguments = file;
p.StartInfo.UseShellExecute = false;
p.StartInfo.RedirectStandar...
Declare a constant array
...fined as locals in functions, and can only be numbers, characters (runes), strings or booleans. Because of the compile-time restriction, the expressions that define them must be constant expressions, evaluatable by the compiler. For instance, 1<<3 is a constant expression, while math.Sin(math....
Image, saved to sdcard, doesn't appear in Android's Gallery app
...canFile():
File imageFile = ...
MediaScannerConnection.scanFile(this, new String[] { imageFile.getPath() }, new String[] { "image/jpeg" }, null);
where this is your activity (or whatever context), the mime-type is only necessary if you are using non-standard file extensions and the null is for th...
Setting the default Java character encoding
...p; by the time your main method is entered, the character encoding used by String.getBytes() and the default constructors of InputStreamReader and OutputStreamWriter has been permanently cached.
As Edward Grech points out, in a special case like this, the environment variable JAVA_TOOL_OPTIONS can ...
How to count items in a Go map?
...Use len(m). From http://golang.org/ref/spec#Length_and_capacity
len(s) string type string length in bytes
[n]T, *[n]T array length (== n)
[]T slice length
map[K]T map length (number of defined keys)
chan T number o...
Difference between Repository and Service Layer?
...e could look like:
public interface IUserService
{
User GetByUserName(string userName);
string GetUserNameByEmail(string email);
bool EditBasicUserData(User user);
User GetUserByID(int id);
bool DeleteUser(int id);
IQueryable<User> ListUsers();
bool ChangePassword(...