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How to get existing fragments when using FragmentPagerAdapter
...n't be called again).
switch (position) {
case 0:
return new FragmentA();
case 1:
return new FragmentB();
default:
// This should never happen. Always account for each position abo...
Change date format in a Java string
... a String in a certain pattern into a LocalDateTime.
String oldstring = "2011-01-18 00:00:00.0";
LocalDateTime datetime = LocalDateTime.parse(oldstring, DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.S"));
Use LocalDateTime#format() (or ZonedDateTime#format()) to format a LocalDateTime into a S...
Recent file history in Vim?
... previous ten files into ~/.viminfo in the filemarks section. You can use '0, '1, '2, ... '9 to jump among them.
(Probably only useful for '0 to get back to the last file you were editing, unless your memory is stronger than mine.)
You can also use the :browse oldfiles command to get a menu with...
Returning null as an int permitted with ternary operator but not if statement
...
Nandkumar Tekale
14.7k77 gold badges5050 silver badges8282 bronze badges
answered Nov 11 '11 at 19:36
Ted HoppTed Hopp
...
'echo' without newline in a shell script
...nd.
– Keith Thompson
Sep 24 '16 at 20:37
I wish. echo always adds newlines... The workaround is jenky at best.
...
What is the best way to compare floats for almost-equality in Python?
...lent function is given in the documentation.
def isclose(a, b, rel_tol=1e-09, abs_tol=0.0):
return abs(a-b) <= max(rel_tol * max(abs(a), abs(b)), abs_tol)
rel_tol is a relative tolerance, it is multiplied by the greater of the magnitudes of the two arguments; as the values get larger, so d...
Call Javascript function from URL/address bar
...
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edited Feb 10 '15 at 18:10
davmac
17.9k11 gold badge3232 silver badges5454 bronze badges
a...
Why can I initialize a List like an array in C#?
...:
var grades = new Dictionary<string, int>
{
{ "Suzy", 100 },
{ "David", 98 },
{ "Karen", 73 }
};
Is roughly identical to:
var temp = new Dictionary<string, int>();
temp.Add("Suzy", 100);
temp.Add("David", 98);
temp.Add("Karen", 73);
var grades = temp;...
How to create a custom-shaped bitmap marker with Android map API v2 [duplicate]
...
202
In the Google Maps API v2 Demo there is a MarkerDemoActivity class in which you can see how a c...
How can I check whether a radio button is selected with JavaScript?
...atLeastOneRadio() {
return ($('input[type=radio]:checked').size() > 0);
}
For server-side validation (remember, you can't depend entirely on Javascript for validation!), it would depend on your language of choice, but you'd but checking the gender value of the request string.
...