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Just what is an IntPtr exactly?
...oints to.
In other words, an IntPtr is just like a void* -- but with the extra feature that it can (but shouldn't) be used for basic pointer arithmetic.
In order to dereference an IntPtr, you can either cast it to a true pointer (an operation which can only be performed in "unsafe" contexts) or y...
How to avoid circular imports in Python? [duplicate]
...on of absolute imports and functions for better reading and shorter access strings.
Advantage: Shorter access strings compared to pure absolute imports
Disadvantage: a bit more overhead due to extra function call
main/sub/a.py
import main.sub.b
b_mod = lambda: main.sub.b
class A():
def __...
Why are side-effects modeled as monads in Haskell?
...ns are useless if we can't chain them together. Consider
getLine :: IO String ~ RealWorld -> (String, RealWorld)
getContents :: String -> IO String ~ String -> RealWorld -> (String, RealWorld)
putStrLn :: String -> IO () ~ String -> RealWorld -&...
What is the JavaScript equivalent of var_dump or print_r in PHP? [duplicate]
...I'm running into this with angular) but Amos has a function that outputs a string immediately and isn't affected by these problems: stackoverflow.com/a/11315561/1403755
– TorranceScott
Aug 14 '14 at 21:38
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Why is unsigned integer overflow defined behavior but signed integer overflow isn't?
... problems if the compiler had to "arrange for another behaviour" (e.g. use extra instructions to check for potential overflow and calculate differently in that case).
It is also worth noting that "undefined behaviour" doesn't mean "doesn't work". It means that the implementation is allowed to do w...
How to get all groups that a user is a member of?
... Thanks! this worked. only downside is the value returned is a string.
– shaiss
Nov 15 '12 at 21:25
3
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How can I compare two dates in PHP?
...abase the date looks like this 2011-10-2
Store it in YYYY-MM-DD and then string comparison will work because '1' > '0', etc.
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Explicit vs implicit SQL joins
...pe | table | type | possible_keys | key | key_len | ref | rows | Extra |
+----+-------------+-------+------+---------------+------+---------+--------------+------+-------+
| 1 | SIMPLE | b | ALL | PRIMARY | NULL | NULL | NULL | 986 | |
| 1 | SIMPLE ...
Sorting a vector of custom objects
...
A simple example using std::sort
struct MyStruct
{
int key;
std::string stringValue;
MyStruct(int k, const std::string& s) : key(k), stringValue(s) {}
};
struct less_than_key
{
inline bool operator() (const MyStruct& struct1, const MyStruct& struct2)
{
ret...
Is there a good way to attach JavaScript objects to HTML elements?
...gly to define this method jquery stores keys into a global dictionary in a string attribute on each element. The name of this string attribute is randomly generated when jquery is first loaded. (Suggesting that there isn't a good way to do there isn't a nicer way to do this only using the DOM)
...