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Types in Objective-C on iOS
...oat));
NSLog(@"The size of a double is %d.", sizeof(double));
NSLog(@"Ranges:");
NSLog(@"CHAR_MIN: %c", CHAR_MIN);
NSLog(@"CHAR_MAX: %c", CHAR_MAX);
NSLog(@"SHRT_MIN: %hi", SHRT_MIN); // signed short int
NSLog(@"SHRT_MAX: %hi", SHRT_MAX);
NSLog(@"INT_MIN: %i", IN...
In Ruby on Rails, what's the difference between DateTime, Timestamp, Time and Date?
... is a bit more subtle: DATETIME is formatted as YYYY-MM-DD HH:MM:SS. Valid ranges go from the year 1000 to the year 9999 (and everything in between. While TIMESTAMP looks similar when you fetch it from the database, it's really a just a front for a unix timestamp. Its valid range goes from 1970 to 2...
Get type of all variables
...ly) #a function is function
class(charToRaw("hi")) #convert string to raw: raw
class(array("hi")) #array of items is: array
#So far so good, but those who wish to keep their sanity go no further
class(5 + 5L) #do...
remove_if equivalent for std::map
I was trying to erase a range of elements from map based on particular condition. How do I do it using STL algorithms?
13 A...
For every character in string
...
Looping through the characters of a std::string, using a range-based for loop (it's from C++11, already supported in recent releases of GCC, clang, and the VC11 beta):
std::string str = ???;
for(char& c : str) {
do_things_with(c);
}
Looping through the characters of a std...
Operation on every pair of element in a list
...here order is irrelevant:
result = [foo(people[p1], people[p2]) for p1 in range(len(people)) for p2 in range(p1+1,len(people))]
In case you don't want to operate but just to get the pairs, removing the function foo and using just a tuple would be enough.
All possible pairs, including duplicate...
Python Empty Generator Function
...ng a hard time coming up with a use case for this for which iter([]) or (x)range(0) wouldn't work equally well.
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HttpServletRequest get JSON POST data [duplicate]
... a json data stream, you need to use a custom decoder that can process the raw datastream from:
BufferedReader reader = request.getReader();
Json post processing example (uses org.json package )
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletExceptio...
Is there a hosted version of Twitter Bootstrap? [closed]
...o looks like the library not on any CDN at the moment.
You could use the raw github files, although this is not good practise, see: Should Github be used as a CDN for javascript libraries?
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What does the 'u' symbol mean in front of string values? [duplicate]
...eroperable on Python 2.
There are other symbols you will see, such as the "raw" symbol r for telling a string not to interpret backslashes. This is extremely useful for writing regular expressions.
>>> 'foo\"'
'foo"'
>>> r'foo\"'
'foo\\"'
Unicode and non-Unicode strings can be equ...