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How to implement the factory method pattern in C++ correctly
...cendant1");
f.registerType<Descendant2>("Descendant2");
Descendant1* d1 = static_cast<Descendant1*>(f.create("Descendant1"));
Descendant2* d2 = static_cast<Descendant2*>(f.create("Descendant2"));
BaseClass *b1 = f.create("Descendant1");
BaseClass *b2 = f.create("Descendant2");
...
XPath to select multiple tags
...c)
=> (#<XdmNode <c>C1</c>>
#<XdmNode <d>D1</d>>
#<XdmNode <e>E1</e>>
#<XdmNode <c>C2</c>>
#<XdmNode <d>D2</d>>
#<XdmNode <e>E1</e>>)
...
Why must a lambda expression be cast when supplied as a plain Delegate parameter
...he types). Now you can call it like:
var l = new Lambda<int>();
var d1 = l.Func(x => x.ToString());
var e1 = l.Expression(x => "Hello!");
var d2 = l.Func(x => x + x);
//or if you have only one lambda, consider a static overload
var e2 = Lambda<int>.CreateExpression(x => "He...
Principal component analysis in Python
...~ U' . d' . Vt' where e.g.
U' is 1000 x 2
d' is diag([ d0, d1 ]), the 2 largest singular values
Vt' is 2 x 20. Dropping the primes,
d . Vt 2 principal vars = p.vars_pc( 20 vars )
U 1000 obs = p.pc_obs( 2 principal vars )
U . d . Vt 1000 obs, p.ob...
What is the difference between == and equals() in Java?
...
@JSK print the values of d1 and d2 and I think you'll see why you're returning false.
– BoDidely
Jul 29 '15 at 20:01
2
...
Undo a merge by pull request?
... john/foo_and_bar
Add foo and bar
commit a507888e9fcc9e08b658c0b25414d1aeb1eef45e
Author: John Doe <john@doe.com>
Date: Mon Apr 29 12:13:29 2013 +0000
Add bar
commit 470ee0f407198057d5cb1d6427bb8371eab6157e
Author: John Doe <john@doe.com>
Date: Mon Apr 29 10:29:10 2013 +0...
Retrieve specific commit from a remote Git repository
... a ref.)
Git 2.6 (Q3 2015) will improve that model.
See commit 2bc31d1, commit cc118a6 (28 Jul 2015) by Jeff King (peff).
(Merged by Junio C Hamano -- gitster -- in commit 824a0be, 19 Aug 2015)
refs: support negative transfer.hideRefs
If you hide a hierarchy of refs using the trans...
What is the best (and safest) way to merge a Git branch into master?
...e base hash:
$ git merge-base mybranch master
c193ea5e11f5699ae1f58b5b7029d1097395196f
$ git checkout mybranch
$ git rebase -i c193ea5e11f5699ae1f58b5b7029d1097395196f
Now make sure only the first is pick, the rest is s:
pick 00f1e76 Add first draft of the Pflichtenheft
s d1c84b6 Update to two ...
What's the complete range for Chinese characters in Unicode?
...onding glyph-identical chinese characters.
Such as 金(U+F90A) and 金(U+91D1), they are identical in Glyph.
F900 FAFF https://www.unicode.org/charts/PDF/UF900.pdf CJK Compatibility Ideographs
2F800 2FA1F https://www.unicode.org/charts/PDF/U2F800.pdf CJK Compatibility Ideographs Suppleme...
How to see which commits in one branch aren't in the other?
...06056eede0ff
- 5ceb5a9077ddb9e78b1e8f24bfc70e674c627949
+ b4459544c000f4d51d1ec23f279d9cdb19c1d32b
+ b6ce3b78e938644a293b2dd2a15b2fecb1b54cd9
The commits that begin with + will be the ones that you haven't yet cherry-picked into next. In this case, I'd only cherry-picked one commit so far. You m...