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Creating your own header file in C
Can anyone explain how to create a header file in C with a simple example from beginning to end.
4 Answers
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Serializing PHP object to JSON
... json_encode($data->getJsonData());. In essence, implement the function from 5.4, but call it by hand.
Something like this would work, as get_object_vars() is called from inside the class, having access to private/protected variables:
function getJsonData(){
$var = get_object_vars($this);
...
Comparing date part only without comparing time in JavaScript
...ful : if date1 and date2 are in winter and summer, and you plan to iterate from one to the other with addDays(1), the problem is that they won't have the same timezone because of the daylight saving, so the last compare that should give equal dates will not work because the two date are not really a...
Can I assume (bool)true == (int)1 for any C++ compiler?
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Charles Bailey's answer is correct. The exact wording from the C++ standard is (§4.7/4): "If the source type is bool, the value false is converted to zero and the value true is converted to one."
Edit: I see he's added the reference as well -- I'll delete this shortly, if I d...
What is the best way to determine the number of days in a month with JavaScript?
...obably want to go with that for least astonishment. But what a great idea from FlySwat!
– Harry Pehkonen
Feb 12 '14 at 14:43
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What is a wrapper class?
... class or component. These are useful by providing a level of abstraction from the implementation of the underlying class or component; for example, wrapper classes that wrap COM components can manage the process of invoking the COM component without bothering the calling code with it. They can al...
Why use double indirection? or Why use pointers to pointers?
...s a memory leak. The pointer value to be passed free is lost by returning from the function.
– alk
Apr 16 '19 at 16:44
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Why is volatile needed in C?
...lving situations where the value of the variable can change without action from the visible code: When you interface with hardware that changes the value itself; when there's another thread running that also uses the variable; or when there's a signal handler that might change the value of the varia...
Convert string to Python class object?
...cation of using eval. You better make sure the string you passed in is not from user.
– Overclocked
Jul 18 '13 at 13:32
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APT command line interface-like yes/no input?
...t() (or simply input() for Python 3). There is no built-in way to do this. From Recipe 577058:
import sys
def query_yes_no(question, default="yes"):
"""Ask a yes/no question via raw_input() and return their answer.
"question" is a string that is presented to the user.
"default" is the...