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Emulate a do-while loop in Python?
...a useful implementation, highlighting the main difference between do-while vs while as I understand it.
So in this one case, you always go through the loop at least once.
first_pass = True
while first_pass or condition:
first_pass = False
do_stuff()
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Set the maximum character length of a UITextField
...be count(textField.text.utf16) to match the objc/uikit reporting in range (vs Swift's variant of count on strings)?
– rcw3
Jul 27 '15 at 17:28
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Advantages to Using Private Static Methods
...gnificant.
src: MSDN - http://msdn.microsoft.com/en-us/library/79b3xss3(v=vs.110).aspx
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Entity Framework - Code First - Can't Store List
...ingle quotes (for a char). See msdn.microsoft.com/en-us/library/57a79xd0(v=vs.110).aspx
– Michael Brandon Morris
May 10 '17 at 16:23
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Only read selected columns
...ery(conn, "select * from mtcars"), 3)
mpg cyl disp hp drat wt qsec vs am gear carb
1 21 6 160 110 3.9 2.62 16.46 0 1 4 4
2 21 6 160 110 3.9 2.875 17.02 0 1 4 4
3 22.8 4 108 93 3.85 2.32 18.61 1 1 4 1
> head(dbGetQuery(conn, "select mpg, gear from...
what is faster: in_array or isset? [closed]
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Which is faster: isset() vs in_array()
isset() is faster.
While it should be obvious, isset() only tests a single value. Whereas in_array() will iterate over the entire array, testing the value of each element.
Rough benchmarking is quite easy us...
How to view the assembly behind the code using Visual C++?
...hen compiling a static library with whole-program optimization enabled (in VS2010 at least). Which makes sense - the compiler hasn't generated the final code yet.
– dhaffey
Mar 26 '13 at 18:45
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How can I check if a Perl array contains a particular value?
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@eakssjo's benchmark is broken - measures creating hashes in loop vs creating regexes in loop. Fixed version (plus I've added List::Util::first and List::MoreUtils::any):
use List::Util qw(first);
use List::MoreUtils qw(any);
use Benchmark;
my @list = ( 1..10_000 );
my $hit = 5_000;
my $h...
MySQL Error 1215: Cannot add foreign key constraint
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Collation was my issue, latin1 vs utf8 (check the table AND the column).
– ben_979
Apr 28 '16 at 1:15
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Replacement for deprecated sizeWithFont: in iOS 7?
....0f] with label.font - helps code maintenance by referencing existing data vs. you typing it multiple times or referencing constants all over the place, etc
– toblerpwn
Oct 30 '13 at 21:38
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