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Show a number to two decimal places
... course not show it to 2 decimal places. For the OP's purpose - showing an integer to 2 decimal places by padding it with trailing zeroes - you need a number formatting function, not a rounding function.
– Mark Amery
Mar 16 '14 at 21:38
...
Unique constraint on multiple columns
How do I add a unique constraint for columns fcode, scode, dcode with t-sql and/or management studio ? fcode, scode, dcode must be unique together.
...
Booleans, conditional operators and autoboxing
...ave in common; since null (type "the special null type") can be implicitly converted (widened) to any type, you can consider the special null type to be a "superclass" of any type (class) for the purposes of lub().
– Bert F
Apr 25 '14 at 13:03
...
How can I get the current date and time in UTC or GMT in Java?
...ccording to stackoverflow.com/questions/4123534/…, the MySQL JDBC driver converts a given java.util.Timestamp (or java.util.Date) to the server time zone.
– Derek Mahar
Dec 7 '10 at 21:02
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How to dismiss the dialog with click on outside of the dialog?
...on type. if the action type is
'MotionEvent.ACTION_OUTSIDE' means, user is interacting outside the dialog region. So in this case, you can dimiss your dialog or decide what you wanted to perform.
view plainprint?
public boolean onTouchEvent(MotionEvent event)
{
if(event.getAction() == M...
How to determine the memory footprint (size) of a variable?
...with the setting. An example would be available here
forp
forp simple, non intrusive, production-oriented, PHP profiler. Some of features are:
measurement of time and allocated memory for each function
CPU usage
file and line number of the function call
output as Google's Trace Event format
cap...
Show dialog from fragment?
...ously accepted answer that using a DialogFragment is the best option. The intended (primary) purpose of the DialogFragment seems to be to display fragments that are dialogs themselves, not to display fragments that have dialogs to display.
I believe that using the fragment's activity to mediate be...
How to send an object from one Android Activity to another using Intents?
...s an example
public class MyParcelable implements Parcelable {
private int mData;
/* everything below here is for implementing Parcelable */
// 99.9% of the time you can just ignore this
@Override
public int describeContents() {
return 0;
}
// write your object...
Group a list of objects by an attribute : Java
...add the students object to the HashMap with locationID as key.
HashMap<Integer, List<Student>> hashMap = new HashMap<Integer, List<Student>>();
Iterate over this code and add students to the HashMap:
if (!hashMap.containsKey(locationId)) {
List<Student> list = n...
Why does this (null || !TryParse) conditional result in “use of unassigned local variable”?
...itialized.
Here's a minimal repro:
class Program
{
static bool M(out int x)
{
x = 123;
return true;
}
static int N(dynamic d)
{
int y;
if(d || M(out y))
y = 10;
return y;
}
}
I see no reason why that should be illeg...