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Is the pImpl idiom really used in practice?
...ion time. End users usually also don't, as they always compile it once and from the beginning.
Possible disadvantages are (also here, depending on the implementation and whether they are real disadvantages for you):
Increase in memory usage due to more allocations than with the naïve variant
inc...
What's the easiest way to install a missing Perl module?
...'
Gentoo: category dev-perl
You should always prefer them as you benefit from automatic (security) updates and the ease of removal. This can be pretty tricky with the cpan tool itself.
For Gentoo there's a nice tool called g-cpan which builds/installs the module from CPAN and creates a Gentoo pac...
“fatal: Not a git repository (or any of the parent directories)” from git status
...ting the error just trying to clone a repo to my local machine. I switched FROM using https:// TO git:// and it was successfully cloned. Thx for pointing me in the right direction.
– Scott Wade
Jun 27 at 17:55
...
Split a String into an array in Swift?
...OS (10.0 and later)
if let nameComps = nameFormatter.personNameComponents(from: name) {
nameComps.namePrefix // Mr.
nameComps.givenName // Steven
nameComps.middleName // Paul
nameComps.familyName // Jobs
nameComps.nameSuffix // Jr.
// It can also be configured to...
Correct format specifier to print pointer or address?
...epresentation of a char * address for a given memory location is different from the 'anything else pointer' address for the same memory location. This would be a word-addressed, instead of byte-addressed, machine. Such machines are not common (probably not available) these days, but the first mach...
Can you “ignore” a file in Perforce?
...4V IDE to sync up any files that I have been working on while disconnected from the P4 depot. It launches another window that performs a 'Folder Diff'.
...
Element-wise addition of 2 lists?
...
Use map with operator.add:
>>> from operator import add
>>> list( map(add, list1, list2) )
[5, 7, 9]
or zip with a list comprehension:
>>> [sum(x) for x in zip(list1, list2)]
[5, 7, 9]
Timing comparisons:
>>> list2 = [4, 5,...
Is there an advantage to use a Synchronized Method instead of a Synchronized Block?
...rence this.
Method:
public synchronized void method() { // blocks "this" from here....
...
...
...
} // to here
Block:
public void method() {
synchronized( this ) { // blocks "this" from here ....
....
....
....
} // to here...
}
See? No advanta...
How can I inject a property value into a Spring Bean which was configured using annotations?
I have a bunch of Spring beans which are picked up from the classpath via annotations, e.g.
18 Answers
...
Generic deep diff between two objects
...s doing what you want, you can test it here.
Only thing that is different from your proposal is that I don't consider
[1,[{c: 1},2,3],{a:'hey'}]
and
[{a:'hey'},1,[3,{c: 1},2]]
to be same, because I think that arrays are not equal if order of their elements is not same. Of course this can be chang...