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What is “lifting” in Haskell?
...nctor is the whole point of lifting. Also, Monads are, if anything, a dual idea to lifting: a Monad lets you use something that has been lifted some positive number of times, as if it had only been lifted once - this is better known as flattening.
– BMeph
Aug 1...
Do I cast the result of malloc?
... all the SO examples of confusing when to write type * versus type **.
The idea that it keeps you from noticing you failed to #include an appropriate header file misses the forest for the trees. It's the same as saying "don't worry about the fact you failed to ask the compiler to complain about not ...
How to suppress GCC warnings from library headers?
...written by myself, which depends on 3.) some external libraries. I have no idea how to only get warnings for 1&2. You have any ideas?
– knedlsepp
Oct 11 '16 at 11:53
2
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How do you set, clear, and toggle a single bit?
...umber ^= (-newbit ^ number) & (1UL << n);
It's generally a good idea to use unsigned types for portable bit manipulation.
or
number = (number & ~(1UL << n)) | (x << n);
(number & ~(1UL << n)) will clear the nth bit and (x << n) will set the nth bit to x.
I...
What is a “feature flag”?
... other thoughts on Mainline Development, feature toggling, and other silly ideas like TEST, QA, SIT, STAND, CROUCH.
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Disable autocomplete via CSS
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Nice idea, but it does not prevent credit card numbers from being saved into the unencrypted autocomplete database.
– Hans-Peter Störr
Jun 25 '12 at 14:03
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Understanding repr( ) function in Python
...d to x. So it returns 'foo' inside the string "" resulting in "'foo'". The idea of repr is to give a string which contains a series of symbols which we can type in the interpreter and get the same value which was sent as an argument to repr.
>>> eval("'foo'")
'foo'
When we call eval("'fo...
Redis: Show database size/size for keys
...er of keys per database which doesn't give me much insight... So any tools/ideas that give me more information when monitoring the redis server would be appreciated.
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Java equivalent to #region in C#
...s code. For instance you said "but there's nothing quite like #region." in IDEA for example //region .. //endregion works exactly like #region. There's no standard way of doing this at all in the first place since it depends on the IDE itself or a plugin. Developers with microsoft backgrounds will a...
What is the best CSS Framework and are they worth the effort?
...of the Eric Meyer reset with some classes and resets of my own, plus a few ideas from BluePrint and YUI.
I recently watched Eric Meyer give a presentation on CSS Frameworks in which he asked the question: "so which one is the right one for me?" He then answered the question by showing a blank slide...