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Predicate in Java
...
static boolean isEven(int num) {
return (num % 2) == 0; // simple
}
Now, given a List<Integer>, you can process only the even numbers like this:
List<Integer> numbers = Arrays.asList(1,2,3,4,5,6,7,8,9,10);
for (int number : numbers) {
if (isEven(number)) {
...
How can I resolve “Error: No developer directory found at /Developer”?
...using a script to build (and then deploy through Testflight) my app.
But I now receive this error:
4 Answers
...
Insert a line break in mailto body
...codeURIComponent().
For example, this message:
hello\rthis answer is now well formated\rand it contains good knowleadge\rthat is why I am up voting
URI Encoded, results in:
hello%0Dthis%20answer%20is%20now%20well%20formated%0Dand%20it%20contains%20good%20knowleadge%0Dthat%20is%20why%20I%20a...
How to get the last day of the month?
...s **kwargs I wouldn't rely on that and do a series of separate operations: now + relative(months=+1) + relative(day=1) + relative(days=-1) which is unambiguous.
– Alfe
Sep 24 '19 at 10:07
...
Fork and synchronize Google Code Subversion repository into GitHub
...ote add origin git@github.com:example/example.git
git push origin master
Now that you have this, occasionally you will have to synchronise the Subversion repository with Git. It'll look something like:
git svn rebase
git push
In gitk or whatever, this would look something like this:
o [master]...
Unpacking, extended unpacking and nested extended unpacking
...the length of this post, but I decided to opt for completeness.
Once you know a few basic rules, it's not hard to generalize them. I'll do my best to explain with a few examples. Since you're talking about evaluating these "by hand," I'll suggest some simple substitution rules. Basically, you might...
How to get current formatted date dd/mm/yyyy in Javascript and append it to an input [duplicate]
...
new Date(Date.now()).toLocaleString();
– Oded Breiner
Jul 18 '16 at 17:15
14
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JavaScript ternary operator example with functions
...unction() ? imlost() : whathappuh() : lostinsyntax() : thisisprobablybrokennow() ? //I'm lost in my own (awful) example by now.
//Not complete... or for average humans to read.
if(this != that) //Ternary would be done by now
{
x = this;
}
else
}
x = this + 2;
}
A really basic rule of thu...
Maximum single-sell profit
...pective max and min.
If we use this approach, our recurrence relation is now
T(1) <= O(1)
T(n) <= 2T(n / 2) + O(1)
Using the Master Theorem here gives us a runtime of O(n) with O(lg n) space, which is even better than our original solution!
But wait a minute - we can do even better than ...
Difference in months between two dates
... DateTime compareTo = DateTime.Parse("8/13/2010 8:33:21 AM");
DateTime now = DateTime.Parse("2/9/2012 10:10:11 AM");
var dateSpan = DateTimeSpan.CompareDates(compareTo, now);
Console.WriteLine("Years: " + dateSpan.Years);
Console.WriteLine("Months: " + dateSpan.Months);
Console.W...