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Why does the arrow (->) operator in C exist?
...clare
struct S {
int a;
int b;
};
and name a would stand for offset 0, while name b would stand for offset 2 (assuming int type of size 2 and no padding). The language required all members of all structs in the translation unit either have unique names or stand for the same offset value. E.g....
Length of a JavaScript object
...g the fewest bugs) would be:
Object.size = function(obj) {
var size = 0, key;
for (key in obj) {
if (obj.hasOwnProperty(key)) size++;
}
return size;
};
// Get the size of an object
var size = Object.size(myObj);
There's a sort of convention in JavaScript that you don't ad...
Change Oracle port from port 8080
How do I change Oracle from port 8080? My Eclipse is using 8080, so I can't use that.
8 Answers
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How do exceptions work (behind the scenes) in c++
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106
Instead of guessing, I decided to actually look at the generated code with a small piece of C++...
Why does Javascript getYear() return 108?
Why does this javascript return 108 instead of 2008? it gets the day and month correct but not the year?
14 Answers
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How to find issues that at some point has been assigned to you?
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Steffen Opel
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answered Jan 23 '12 at 5:34
Daria TrainorD...
Assign null to a SqlParameter
...ndexParameter.Value = (object)AgeItem.AgeIndex ?? DBNull.Value;
parameters[0] = planIndexParameter;
Here is a quote from the MSDN documentation for the ?: operator that explains the problem
Either the type of first_expression and second_expression must be the same, or an implicit conversion m...
C++: what regex library should I use? [closed]
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10 Answers
10
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Mapping over values in a python dictionary
...for processing your dict as well:
my_dictionary = dict(map(lambda kv: (kv[0], f(kv[1])), my_dictionary.iteritems()))
but that's not that readable, really.
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How to 'grep' a continuous stream?
...em with tail -f | grep, and --line-buffered solves it for me (on Ubuntu 14.04, GNU grep version 2.16). Where is the "use line buffering if stdout is a tty" logic implemented? In git.savannah.gnu.org/cgit/grep.git/tree/src/grep.c, line_buffered is set only by the argument parser.
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