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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...
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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I lost my .keystore file?
... yea i did , and now my new keystore is eligible for upload , i got confirm google mail
– giveJob
Oct 4 '18 at 6:08
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show 1 more com...
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
1
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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...
AlertDialog.Builder with custom layout and EditText; cannot access view
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/**
* Shows confirmation dialog about signing in.
*/
private void startAuthDialog() {
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
AlertDialog alertDialog = dialogBuilder.create();
alertDialog.show();
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MySQL Cannot Add Foreign Key Constraint
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Confirm that the character encoding and collation for the two tables is the same.
In my own case, one of the tables was using utf8 and the other was using latin1.
I had another case where the encoding was the same but the...
What does GitHub for Windows' “sync” do?
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Can confirm hitting Sync just now did a git pull rather than a git pull --rebase, thus creating an additional Merge branch 'master' of ... commit.
– Leo
Sep 9 '16 at 14:33
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Start thread with member function
...e. thread will make it own local copy of it.
// we can confirm it by matching the address of
//object printed in the constructor
// and address of the obj printed in the function
t.join();
}
Another way of achieving the same thing i...
How to make/get a multi size .ico file? [closed]
...aved as 4bpp 1bit alpha
Notes
You may need to check other resources to confirm to yourself that this is a sensible list of resolutions and colour depths.
Make sure you use transparency round the outside of your image, and anti-aliased edges. You should see the grey checkerboard effect round the...