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What is the difference between i++ and ++i?
...prefix (++var) and postfix (var++) versions of ++ do things in a different order with respect to other operations.
It is unsurprising that you'll see a lot of wrong answers to this question. A great many "teach yourself C#" books also get it wrong. Also, the way C# does it is different than how C do...
Undefined reference to `sin` [duplicate]
...e POSIX standard to provide their software on "POSIX compliant systems" in order to reach more platforms.
UNIX customers demanded "POSIX compliant" UNIX systems to run the software.
The pressures that fed into the decision to put -lm in a different library probably included, but are not limited to...
Using braces with dynamic variable names in PHP
...s, properties, and methods will now be evaluated strictly in left-to-right order, as opposed to the mix of special cases in PHP5. The examples below show how the order of evaluation has changed.
Case 1 : $$foo['bar']['baz']
PHP5 interpetation : ${$foo['bar']['baz']}
PHP7 interpetation : ${$foo}['ba...
Command to change the default home directory of a user
...
The order of options for the second command is wrong. usermod -m -d /newhome/username username works.
– Snozzlebert
Oct 21 '19 at 17:50
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jQuery table sort
...will sort lists, tables, divs or anything else, in ascending or descending order. I have also used it to sort by different data-types like currency or year - just provide your own function that returns the data to sort by. (I like to keep those functions separate, and give them meaningful names, to ...
Where is my .vimrc file?
...mrc
or $VIM/.vimrc
The files are searched in the order specified above and only the first
one that is found is read.
(MacOS counts as Unix for the above.)
Note that the mere existence of a user vimrc will change Vim's behavior by turning off the compatible option. From...
What is the difference between Θ(n) and O(n)?
...ions aren't necessarily specific numbers, but instead functions of varying orders of magnitude such as log(n), n, n^2, (etc.).
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How does java do modulus calculations with negative numbers?
...eneral, int result = (-a) % b; gives the right answer when |-a| > b. In order to get the proper result when |-a| < b we should wrap the divisor. int result = ((-a) % b) + b; for negative a or int result = (((-a) % b) + b) % b; for positive or negative a
– Oz Edri
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How to list all Git tags?
...tags?", for Git 2.0+)
git tag --sort=<type>
Sort in a specific order.
Supported type is:
"refname" (lexicographic order),
"version:refname" or "v:refname" (tag names are treated as versions).
Prepend "-" to reverse sort order.
That lists both:
annotated tags:...
What is Inversion of Control?
...rol is inverted... instead of the computer accepting user input in a fixed order, the user controls the order in which the data is entered, and when the data is saved in the database.
Basically, anything with an event loop, callbacks, or execute triggers falls into this category.
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