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Is there an ExecutorService that uses the current thread?
...oreExecutors.newDirectExecutorService(), or MoreExecutors.directExecutor() if you don't need an ExecutorService.
If including Guava is too heavy-weight, you can implement something almost as good:
public final class SameThreadExecutorService extends ThreadPoolExecutor {
private final CountDownLa...
JavaScript string newline character?
... the universal newline character sequence in Javascript for all platforms? If not, how do I determine the character for the current environment?
...
Selectors in Objective-C?
... class of type 'SEL' and then run methods such as respondToSelector to see if the receiver implements that method. Can someone offer up a better explanation?
...
Remove empty array elements
...all this for you:
print_r(array_filter($linksArray));
Keep in mind that if no callback is supplied, all entries of array equal to FALSE (see converting to boolean) will be removed. So if you need to preserve elements that are i.e. exact string '0', you will need a custom callback:
// PHP 7.4 and...
iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari?
...iPad's window size, the user is normally unable to scroll. In other words, if I set the window's scrollTop, it will remain at 0.
If, on the other hand, the keyboard is shown, scrolling suddenly works. So I can set scrollTop, immediately test its value, and then reset it. Here's how that might look ...
Python SQL query string formatting
...String Literal Concatenation (http://docs.python.org/), which could be qualified a somewhere between Option 2 and Option 4
Code Sample:
sql = ("SELECT field1, field2, field3, field4 "
"FROM table "
"WHERE condition1=1 "
"AND condition2=2;")
Works as well with f-strings:
fie...
Determine a user's timezone
...et() will subtract your time from GMT and return the number of minutes. So if you live in GMT-8, it will return 480.
To put this into hours, divide by 60. Also, notice that the sign is the opposite of what you need - it's calculating GMT's offset from your time zone, not your time zone's offset fro...
How to run a C# console application with the console hidden
...
If you are using the ProcessStartInfo class you can set the window style to hidden - in the case of console (not GUI) applications, you have to set CreateNoWindow to true:
System.Diagnostics.ProcessStartInfo start =
ne...
Best way to add “current” class to nav in Rails 3
...on?(*action)
action.include?(params[:action])
end
Then you can use if controller?("homepage") && action?("index", "show") in your views or other helper methods…
share
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improve thi...
Finding ALL duplicate rows, including “elements with smaller subscripts”
...or or data frame is a duplicate of an element with a smaller subscript. So if rows 3, 4, and 5 of a 5-row data frame are the same, duplicated will give me the vector
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