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Difference between Select and ConvertAll in C#
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And what about the performances? If I have a List, is it more performant to use ConvertAll or Select?
– Nicolas
Dec 7 '10 at 14:28
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How to check if std::map contains a key without doing insert?
...problem is that this still inserts something if the key is unused, whereas what I want is a map.contains(key); function.
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How to write asynchronous functions for Node.js
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Thanks fort the insights. I'm now more aware of what I lack in knowledge. :) Your last example helped by the way.
– Kriem
Aug 1 '11 at 18:13
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Why doesn't Haskell's Prelude.read return a Maybe?
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@yairchu It wasn't immediately obvious to me what you meant about the phantom type, so I'll clarify in case anyone else is confused like I was. You intend something like showThing :: Show a => a -> ValidShow a and readThing :: Read a => ValidShow a -> a, so ...
instantiate a class from a variable in PHP?
... @YisraelDov Yes it is definitely counter intuitive. But for whatever reason it does behave weirdly in this context. Thanks php
– csga5000
May 15 '18 at 21:57
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printf format specifiers for uint32_t and size_t
... types in the source code and doesn't realize they're equivalent. I wonder what it would do with @KennyTM's answer... It certainly should be more portable.
– Cogwheel
Jul 2 '10 at 18:49
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How to make a HTML Page in A4 paper size page(s)?
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What if we have dynamic content which may be unto 3-4 or more pages?
– jazzbpn
May 8 at 6:18
add a c...
CSS3 transform not working
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What is -sand-transform for? A brief Google search turned up nothing.
– Pete
May 8 '15 at 16:00
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Python dict how to create key or append an element to key?
...are the various ways to do this so you can compare how it looks and choose what you like. I've ordered them in a way that I think is most "pythonic", and commented the pros and cons that might not be obvious at first glance:
Using collections.defaultdict:
import collections
dict_x = collections.d...
Converting PKCS#12 certificate into PEM using OpenSSL
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asking for Import Password . what is that ?
– Saurabh Chandra Patel
Jan 11 '16 at 8:44
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