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Test if characters are in a string
... will be doing a lot of these computations).
– Greg Snow
Apr 12 '12 at 18:10
1
@Josh O'brien, tha...
In-App Billing test: android.test.purchased already owned
...essfully "bought" the test item "android.test.purchased" the first time, I now receive the response code 7 every time I try to buy it again, which means that I already own this item.
...
Xcode is not currently available from the Software Update server
...hat the command line tools which have already been installed by Xcode5 are now findable by xcode-select. After following this advice I was able to successfully install homebrew, which had been failing.
– Peter Gluck
Jun 16 '14 at 6:24
...
Why does 2 mod 4 = 2?
...nder is 0 or no bananas left when you shared all 6 bananas on 6 people.
Now, for 7 bananas and 6 people in group, you then will have 7 mod 6 = 1, this because you gave 6 people 1 banana each, and 1 banana is the remainder.
For 12 mod 6 or 12 bananas shared on 6 people, each one will have two ba...
Windows batch file file download from a URL
...missions, let this stand as a perfect proof of concept that clicking on unknown .bat and .ps1 files can really screw up your stuff.
– 1934286
Nov 29 '18 at 23:22
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Best way to trim strings after data entry. Should I create a custom model binder?
... explicitly trimming every user supplied string value. I'm interested to know how and when people are trimming strings.
15...
Is quitting an application frowned upon?
...the device, lists with tasks
that always should be there, etc.).
I don't know what "lists with tasks that always should be there" means, but the "data being PUSHed to the device" is a pleasant fiction and should not be done by activity in any case. Use a scheduled task (via AlarmManager) to update ...
Inserting image into IPython notebook markdown
...IPython 2.0, the files/ prefix is no longer needed (cf. release notes). So now the solution <img src="image.png"> simply works as expected.
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Get all unique values in a JavaScript array (remove duplicates)
...et to store unique values. To get an array with unique values you could do now this:
var myArray = ['a', 1, 'a', 2, '1'];
let unique = [...new Set(myArray)];
console.log(unique); // unique is ['a', 1, 2, '1']
The constructor of Set takes an iterable object, like Array, and the spread ope...
How to convert linq results to HashSet or HashedSet
...tor. We're relying on type inference for generic methods to do it for us.
Now you could choose to name it ToSet and return ISet<T> - but I'd stick with ToHashSet and the concrete type. This is consistent with the standard LINQ operators (ToDictionary, ToList) and allows for future expansion (...