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Using getopts to process long and short command line options
...use either the -m 4096 or -m4096 style, mix options and non-options in any order, etc. getopt also outputs an error message if unrecognized or ambiguous options are found.
NOTE: There are actually two totally different versions of getopt, basic getopt and GNU getopt, with different features and di...
Why should I avoid multiple inheritance in C++?
...ot being able to explicitly inherit multiple times from a single
class
Order of inheritance changing class semantics.
Multiple inheritance in languages with
C++/Java style constructors
exacerbates the inheritance problem of
constructors and constructor chaining,
thereby creating ...
Should services always return DTOs, or can they also return domain models?
... below.
There is good reason for this. If you use the concept of partial order as a measure of software complexity then having a layer depend on a layer above it increases complexity, which decreases maintainability.
Applying this to your question, DTOs are really an adapter that is a concern of ...
CALL command vs. START with /WAIT option
...option is to avoid creating another window, the empty quotes are needed in order to the command to work, see the reference below.
Note that if you don´t use the /WAIT in the start, the LongRunningTask will be executed at the same time than the remaining commands in the batch file, so it might crea...
Making macOS Installer Packages which are Developer ID ready
...The option appears visually selected, but the user needs to click on it in order to proceed with the installation, causing some confusion.
Apples Documentation recommends to use <domains enable_anywhere ... /> but this triggers the new more buggy Destination Select Pane which Apple doesn't ...
How to remove unwanted space between rows and columns in table?
...n, summary,
time, mark, audio, video {
margin: 0;
padding: 0;
border: 0;
font-size: 100%;
font: inherit;
vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
...
MySQL maximum memory usage
...ld utilize ulimit, but you'd likely have to modify the way MySQL starts in order to impose this.
The best solution is to tune your server down, so that a combination of the usual MySQL memory settings will result in generally lower memory usage by your MySQL installation. This will of course hav...
What does 'predicate' mean in the context of computer science? [duplicate]
...t parameter and return either true or false. Predicates are used in higher order functions, applied to a given function(a.k.a transformer) element-wise to a list of elements and returns a list of results. Transformer is a function applies to each element and will produce one or more new elements.
...
How does Spring Data JPA differ from Hibernate for large projects?
...ce MyObjectRepositoryCustom {
List<MyObject> findByNameWithWeirdOrdering(String name);
}
MyObjectRepositoryCustomImpl - where you actually implement those methods with an autowired EntityManager:
public class MyObjectRepositoryCustomImpl implements MyObjectRepositoryCustom {
@Auto...
Determining complexity for recursive functions (Big O notation)
...from n before calling the function, but n-5 is also O(n).
(Actually called order of n/5 times. And, O(n/5) = O(n) ).
int recursiveFun3(int n)
{
if (n <= 0)
return 1;
else
return 1 + recursiveFun3(n/5);
}
This function is log(n) base 5, for every time we divide by 5
befor...