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Should I Dispose() DataSet and DataTable?
... lot of folks use a using statement for IDisposables. using (SqlConnection cn = new SqlConnection(connectionString)) { using (SqlCommand cm = new SqlCommand(commandString, cn)) { cn.Open(); cm.ExecuteNonQuery(); } }
– DOK
May 19 '14 at 16:07
...
Can C++ code be valid in both C++03 and C++11 but do different things?
...outside-right-angle-brackets/)
template< unsigned len > unsigned int fun(unsigned int x);
typedef unsigned int (*fun_t)(unsigned int);
template< fun_t f > unsigned int fon(unsigned int x);
void total(void) {
// fon<fun<9> >(1) >> 2 in both standards
unsigned in...
Why can't non-default arguments follow default arguments?
...in the correct order:
Let us take a look at keyword arguments, using your function.
def fun1(a="who is you", b="True", x, y):
... print a,b,x,y
Suppose its allowed to declare function as above,
Then with the above declarations, we can make the following (regular) positional or keyword argume...
Why doesn't RecyclerView have onItemClickListener()?
... object : RecyclerView.OnChildAttachStateChangeListener {
override fun onChildViewAttachedToWindow(view: View) {
// every time a new child view is attached add click listeners to it
val holder = this@ItemClickSupport.recyclerView.getChildViewHolder(view)
...
How can I get a list of users from active directory?
...be specified by a distinguished name. The distinguished name is like this CN=SomeName,CN=SomeDirectory,DC=yourdomain,DC=com. Like a traditional relational database, you can run query against a LDAP server. It's called LDAP query.
There are a number of ways to run a LDAP query in .NET. You can u...
How to hide Soft Keyboard when activity starts
...tension to hide keyboard
// In onResume, call this
myView.hideKeyboard()
fun View.hideKeyboard() {
val inputMethodManager = context.getSystemService(INPUT_METHOD_SERVICE) as InputMethodManager
inputMethodManager.hideSoftInputFromWindow(windowToken, 0)
}
Alternatives based on use case:
f...
How to check if APK is signed or “debug build”?
...our Application, debug key contain following subject distinguished name: "CN=Android Debug,O=Android,C=US". We can use this information to test if package is signed with debug key without hardcoding debug key signature into our code.
Given:
import android.content.pm.Signature;
import java.securi...
Is there any way to not return something using CoffeeScript?
...feeScript automatically returns the last item in a scope. Can I avoid this functionality?
5 Answers
...
Difference between toFixed() and toPrecision()?
...rovides x total length." does not necessarily hold. Counter example: 0.00001234.toPrecision(3)
– djvg
Nov 28 '18 at 8:36
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Reflecting parameter name: abuse of C# lambda expressions or syntax brilliance?
...his C# - F# example
C#:
public class Class1
{
public static void Foo(Func<object, string> f)
{
Console.WriteLine(f.Method.GetParameters()[0].Name);
}
}
F#:
Class1.Foo(fun yadda -> "hello")
Result:
"arg" is printed (not "yadda").
As a result, library designers sh...