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Differences between strong and weak in Objective-C
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Great details. I think I didn't really get it until now. Thank you.
– ahmedalkaff
Aug 20 '13 at 20:11
1
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What's the best way of structuring data on firebase?
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);
});
})
.catch(e => console.error(e));
I offered some details in another SO post about denormalizing data, so check those out as well. I see that Frank already posted Anant's article, so I won't reiterate that here, but it's also a great read.
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How do I find the location of my Python site-packages directory?
...age>.__path__ lets you identify the location(s) of a specific package: (details)
$ python -c "import setuptools as _; print(_.__path__)"
['/usr/lib/python2.7/dist-packages/setuptools']
<module>.__file__ lets you identify the location of a specific module: (difference)
$ python3 -c "impor...
How do I print a double value with full precision using cout?
...the value is rounded to the same original value. Here is a paper with some details: docs.oracle.com/cd/E19957-01/806-3568/ncg_goldberg.html
– Mike Fisher
Oct 28 '13 at 9:16
9
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When should I use perror(“…”) and fprintf(stderr, “…”)?
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One detail, strerror is not required to be thread-safe. It's stupid, but that's the standard. strerror_l can be used instead as a drop-in replacement on POSIX 2008 systems. strerror_r is also available on older systems but has re...
Why does an NSInteger variable have to be cast to long when used as a format argument?
...if your format specifiers match your data types. See Martin R's answer for details on how NSInteger is defined in terms of native types.
So for code intended to be built for 64-bit environments, you can write your log statements like this:
NSLog(@"%ld", myInt);
while for 32-bit environments yo...
Render Partial View Using jQuery in ASP.NET MVC
...IV contained in the partial view with the updated contents.
$('.js-reload-details').on('click', function(evt) {
evt.preventDefault();
evt.stopPropagation();
var $detailDiv = $('#detailsDiv'),
url = $(this).data('url');
$.get(url, function(data) {
$detailDiv.replace...
Recursive sub folder search and return files in a list python
...rsion >= 3.5. I added a link to the documentation in my answer for more detail.
– Rotareti
Dec 6 '16 at 15:19
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How to pip install a package with min and max version range?
...less than 0.3.
This also applies to pip requirements files. See the full details on version specifiers in PEP 440.
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Why is git push gerrit HEAD:refs/for/master used instead of git push origin master
...in reality Gerrit hasn’t created the ref at all. [Link - Gerrit, "Gritty Details"].
After a successful patch (i.e, the patch has been pushed to Gerrit, [putting it into the "Pending Changes" staging area], reviewed, and the review has passed), Gerrit pushes the change from the "Pending Change...