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Detect backspace in empty UITextField
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I can confirm that delete isn't detected if the user manages to move the cursor to the left of the space. If you can figure out how to fix that, then you should also subclass UITextField and implement canPerformAction:withSender: t...
Private pages for a private Github repo
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I had raised a support ticket against Github and got a response confirming the fact that ALL pages are public. I've now requested them to add a note to help.github.com/pages.
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impr...
MySQL case insensitive select
...insensitive collation and add a unique index to the column. Use EXPLAIN to confirm that the index is being used.
– mindplay.dk
Jan 14 '16 at 20:22
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How to fix homebrew permissions?
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Confirmed this fixes any issue you may be having with permissions as of 05/2017
– Anton Babushkin
May 20 '17 at 0:38
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Sending command line arguments to npm script
...r $PORT"
And then from the command-line:
$ PORT=8080 npm start
I have confirmed that this works using bash and npm 1.4.23. Note that this work-around does not require GitHub npm issue #3494 to be resolved.
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How to update npm
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I can confirm this method helped update npm. Previous methods had libraries unmet dependencies or would update npm but would not update the path/environment to use the new location.
– will824
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How to optimize for-comprehensions and loops in Scala?
...ll tail-recursive since && and || use short-circuit evaluation, as confirmed by using @tailrec: gist.github.com/Blaisorblade/5672562
– Blaisorblade
May 29 '13 at 18:30
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Creating Unicode character from its number
...Pair);
// we now have str with the desired character as the first item
// confirm that we indeed have character with code point 128149
System.out.println("First code point: " + symbol.codePointAt(0));
I also did a quick test as to which conversion methods work and which don't
int codePoint = 128...
How to check if a process id (PID) exists
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I can confirm that on macOS Sierra, this works. Also, the -p is unnecessary, at least in that case. ps $PID has the exact same result.
– user137369
Apr 16 '17 at 10:56
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Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
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I coded up an equivalent C program to experiment, and I can confirm this strange behaviour. What's more, gcc believes the 64-bit integer (which should probably be a size_t anyway...) to be better, as using uint_fast32_t causes gcc to use a 64-bit uint.
I did a bit of mucking around wi...