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How to check if an object is a list or tuple (but not string)?
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edited Apr 16 '18 at 14:21
sorin
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Does C have a “foreach” loop construct?
...foreach, but macros are frequently used to emulate that:
#define for_each_item(item, list) \
for(T * item = list->head; item != NULL; item = item->next)
And can be used like
for_each_item(i, processes) {
i->wakeup();
}
Iteration over an array is also possible:
#define foreach...
Is there a difference between “==” and “is”?
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True
# Make a new copy of list `a` via the slice operator,
# and assign it to variable `b`
>>> b = a[:]
>>> b is a
False
>>> b == a
True
In your case, the second test only works because Python caches small integer objects, which is an implementation detail. For large...
Convert nested Python dict to object?
...searching for an elegant way to get data using attribute access on a dict with some nested dicts and lists (i.e. javascript-style object syntax).
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If isset $_POST
I have a form on one page that submits to another page. There, it checks if the input mail is filled. If so then do something and if it is not filled, do something else. I don't understand why it always says that it is set, even if I send an empty form. What is missing or wrong?
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How can I remove an element from a list, with lodash?
...);
Alternatively, you can create a new array by filtering the old one with _.filter and assign it to the same object, like this
obj.subTopics = _.filter(obj.subTopics, function(currentObject) {
return currentObject.subTopicId !== stToDelete;
});
Or
obj.subTopics = _.filter(obj.subTopics,...
Check if OneToOneField is None in Django
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edited Feb 20 '12 at 11:45
answered Jan 26 '12 at 9:50
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How to schedule a function to run every hour on Flask?
I have a Flask web hosting with no access to cron command.
8 Answers
8
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What integer hash function are good that accepts an integer hash key?
...e order of your hash size (2^32 in the example) and has no common factors with it. This way the hash function covers all your hash space uniformly.
Edit: The biggest disadvantage of this hash function is that it preserves divisibility, so if your integers are all divisible by 2 or by 4 (which is no...
Adding git branch on the Bash command prompt
I tried adding the git branch I'm currently working on (checked-out) on the bash prompt without success.. ( while keeping my current path which shows the active directory/file intact)
I have a .bashrc file on my home, but I also saw many people mentioning the .profile file..
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