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Why does ++[[]][+[]]+[+[]] return the string “10”?
...e over +):
++[[]][0]
+
[0]
Because [[]][0] means: get the first element from [[]], it is true that:
[[]][0] returns the inner array ([]). Due to references it's wrong to say [[]][0] === [], but let's call the inner array A to avoid the wrong notation.
++ before its operand means “increment by...
Referencing a string in a string array resource with xml
...ray section (string array, at least), the "RESOURCE REFERENCE" (as you get from an XML) does not specify a way to address the individual items. You can even try in your XML to use "@array/yourarrayhere". I know that in design time you will get the first item. But that is of no practical use if you w...
Checkout subdirectories in Git?
...t repository with just mytheme and myplugins directories and symlink those from within the WordPress install.
MDCore wrote:
making a commit to, e.g., mytheme will increment the revision number for myplugin
Note that this is not a concern for git, if you do decide to put both directories in ...
Does setting Java objects to null do anything anymore?
... explicitly set references A->B or B->C to null, for example.
Apart from that, most of the time the issue doesn't really arise, because in reality you're dealing with objects in collections. You should generally always be thinking of removing objects from lists, maps etc by calling the approp...
iOS: Multi-line UILabel in Auto Layout
...eke's answer about making sure subsequent views don't prohibit Auto Layout from resizing the (possibly) multiline view.
– Tom Howard
Sep 2 '14 at 15:18
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comparing sbt and Gradle [closed]
... interested in using Gradle instead of Ivy for SBT.
(both tools can learn from each other)
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Does static constexpr variable inside a function make sense?
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@AndrewLazarus, you can't cast away const from a const object, only from a const X* which points to an X. But that's not the point; the point is that automatic objects cannot have static addresses. As I said, constexpr ceases to be meaningful once the compilation is ...
Add an element to an array in Swift
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anArray+="Foo" does not work anymore from xCode 6 beta 5
– Amitay
Aug 7 '14 at 6:44
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GitHub - List commits by author
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If the author has a GitHub account, just click the author's username from anywhere in the commit history, and the commits you can see will be filtered down to those by that author:
You can also click the 'n commits' link below their name on the repo's "contributors" page:
Alternatively, ...
How to declare std::unique_ptr and what is the use of it?
...:unique_ptr works and for that I found this document. The author starts from the following example:
4 Answers
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