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How do I find out if the GPS of an Android device is enabled
... .setCancelable(false)
.setPositiveButton("Yes", new DialogInterface.OnClickListener() {
public void onClick(@SuppressWarnings("unused") final DialogInterface dialog, @SuppressWarnings("unused") final int id) {
startActivity(new Intent(android.provid...
Java: How to test methods that call System.exit()?
... class ExitException extends SecurityException
{
public final int status;
public ExitException(int status)
{
super("There is no escape!");
this.status = status;
}
}
private static class NoExitSecurityManager extends SecurityManag...
How to identify numpy types in python?
...hing in numpy.* you just walk the parent package of the module. (At that point, you obviously want to wrap it in a function.) And if you want pandas DataFrames to count as numpyish, add an or to test for that. And so on. The point is, you have to know what you're actually asking for when you want to...
Max length UITextField
...tried How to you set the maximum number of characters that can be entered into a UITextField using swift? , I saw that if I use all 10 characters, I can't erase the character too.
...
C: What is the difference between ++i and i++?
...t the generated code, which will be identical.
The efficiency question is interesting... here's my attempt at an answer:
Is there a performance difference between i++ and ++i in C?
As @OnFreund notes, it's different for a C++ object, since operator++() is a function and the compiler can't know to ...
How expensive is RTTI?
...ource usage in common implementations.
I recently did a bunch of research into RTTI in GCC.
tl;dr: RTTI in GCC uses negligible space and typeid(a) == typeid(b) is very fast, on many platforms (Linux, BSD and maybe embedded platforms, but not mingw32). If you know you'll always be on a blessed plat...
How to set margin of ImageView using code, not xml
... What's the deal w/ the last 2 lines? clone the margin params into another params variable? I can confirm it's required :)
– Adam Rabung
Sep 1 '11 at 13:06
1
...
SQL to determine minimum sequential days of access?
...s OR UserId = 52551
EDIT:
Okay here's my serious answer:
DECLARE @days int
DECLARE @seconds bigint
SET @days = 30
SET @seconds = (@days * 24 * 60 * 60) - 1
SELECT DISTINCT UserId
FROM (
SELECT uh1.UserId, Count(uh1.Id) as Conseq
FROM UserHistory uh1
INNER JOIN UserHistory uh2 ON uh2....
MySQL Query - Records between Today and Last 30 Days
...ecords that were added to the database within the last 30 days. I need to convert the date to mm/dd/yy because of display purposes.
...
How does a ArrayList's contains() method evaluate objects?
...
ArrayList implements the List Interface.
If you look at the Javadoc for List at the contains method you will see that it uses the equals() method to evaluate if two objects are the same.
...