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How to get a specific output iterating a hash in Ruby?
...ash.each do |key, array|
puts "#{key}-----"
puts array
end
Regarding order I should add, that in 1.8 the items will be iterated in random order (well, actually in an order defined by Fixnum's hashing function), while in 1.9 it will be iterated in the order of the literal.
...
Get last n lines of a file, similar to tail
... block_number = -1
blocks = [] # blocks of size BLOCK_SIZE, in reverse order starting
# from the end of the file
while lines_to_go > 0 and block_end_byte > 0:
if (block_end_byte - BLOCK_SIZE > 0):
# read the last block we haven't yet read
...
How disable Copy, Cut, Select, Select All in UITextView
... method using a category. This is undefined behavior. You must subclass in order to safely override a method.
– Rob Napier
Apr 22 '13 at 18:42
2
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what is the unsigned datatype?
... is more than one multiset per item); the type specifiers may occur in any order, possibly intermixed with the other declaration specifiers
— void
— char
— signed char
— unsigned char
— short, signed short, short int, or signed short int
— unsigned short, or unsigned short...
How to use PyCharm to debug Scrapy projects
...list (near the center of the icon toolbar), then click the Debug button in order to get it to work. Hope this helps!
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Algorithm for creating a school timetable
...rties. It was extremely steep, one property easily able to change it by an order of magnitude up or down - and there were hundreds or thousands of properties in one organism. This resulted in absolutely HUGE numbers as the weights, and as a direct result, need to use a bignum library (gmp) to perfor...
How can I create a “Please Wait, Loading…” animation using jQuery?
...('#form').submit(function() {
$('#wait').show();
$.post('/whatever.php', function() {
$('#wait').hide();
});
return false;
});
B) Use ajaxStart and ajaxComplete:
$('#wait').ajaxStart(function() {
$(this).show();
}).ajaxComplete(function() {
$(this).hide();
});
Us...
In mongoDb, how do you remove an array element by its index?
...n array is not very reliable since mongodb isn't consistent on an elements order as fas as I know.
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What does a type followed by _t (underscore-t) represent?
...mes i, j, and k for temporary loop variables.
In code where word-size and ordering is important, it's very common to use custom defined types that are explicit, such as BYTE WORD (normally 16-bit) DWORD (32-bits).
int_t is not so good, because the definition of int varies between platforms -- s...
Get controller and action name from within controller?
For our web application I need to save the order of the fetched and displayed items depending on the view - or to be precise - the controller and action that generated the view (and the user id of course, but that's not the point here).
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