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Why is “final” not allowed in Java 8 interface methods?
One of the most useful features of Java 8 are the new default methods on interfaces. There are essentially two reasons (there may be others) why they have been introduced:
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Hg: How to do a rebase like git's rebase
...ily, here's the pattern I take:
1. Start working on a new feature:
$ hg clone mainline-repo newfeature-123
do a few commits (M, N, O)
master A---B---C
\
newfeature-123 M---N---O
2. Pull new changes from upstream mainline:
$ hg pull
master A---B---C---D---E---F
\...
Is a Python list guaranteed to have its elements stay in the order they are inserted in?
... many times or where ever I use fn_1() ?
– TheCuriousOne
Nov 25 '16 at 11:22
6
Yes, the order of ...
Why was the switch statement designed to need a break?
... software,
for instance, when compiling operators
that can have either one or two
operands:
switch (operator->num_of_operands) {
case 2: process_operand( operator->operand_2);
/* FALLTHRU */
case 1: process_operand( operator->operand_1);
break;
}
Case...
How to swap files between windows in VIM?
...ive you a certain amount of control, but it's not comprehensive. The main ones are:
Ctrl-W, r (i.e. hold CTRL, press W, release CTRL, press r) - which rotates the windows (The first window becomes the second one, the second one becomes the third one, etc.)
Ctrl-W, x - swap the current window with...
Open new Terminal Tab from command line (Mac OS X)
...! I missed your comment completely, found a similar solution via google. One difference: it didn't work for me (on 10.6.8) unless Terminal was the frontmost application, so I added the "activate" to force it to the front.
– Gordon Davisson
Aug 25 '11 at 17:53...
What is the rationale behind having companion objects in Scala?
...
The companion object basically provides a place where one can put "static-like" methods. Furthermore, a companion object, or companion module, has full access to the class members, including private ones.
Companion objects are great for encapsulating things like factory methods...
Comparing Java enum members: == or equals()?
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Personally, I dont like 'null safety' mentioned as a reason to use ==.
– Nivas
Nov 17 '09 at 18:13
263
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Specify an SSH key for git push for a given domain
... I have that defined in ~/.ssh/config for git@git.company.com . Does anyone know of a way to override the key that is used for a single git invocation?
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Rolling back local and remote git repository by 1 commit
...ll in the same branch. However, since the push is no longer a fast-forward one, yes, you need to force that push.
– VonC
Jul 1 '14 at 9:28
1
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