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arrow operator (->) in function heading
...declaration:
return-type identifier ( argument-declarations... )
and
auto identifier ( argument-declarations... ) -> return_type
They are equivalent. Now when they are equivalent, why do you ever want to use the latter? Well, C++11 introduced this cool decltype thing that lets...
How to conclude your merge of a file?
...d file (after you resolve conficts by yourself) should be added (git add), and if there is no unmerged file you should git commit
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How to convert a string to lower case in Bash?
...
The are various ways:
POSIX standard
tr
$ echo "$a" | tr '[:upper:]' '[:lower:]'
hi all
AWK
$ echo "$a" | awk '{print tolower($0)}'
hi all
Non-POSIX
You may run into portability issues with the following examples:
Bash 4.0
$ echo "${a,,}"
hi all...
Center a column using Twitter Bootstrap 3
...ach uses Bootstrap's own offset classes so it requires no change in markup and no extra CSS. The key is to set an offset equal to half of the remaining size of the row. So for example, a column of size 2 would be centered by adding an offset of 5, that's (12-2)/2.
In markup this would look like:
&...
Static hosting on Amazon S3 - DNS Configuration
...nt-side) I want to host it on Amazon S3. I've found several guides on this and have managed to create myself a bucket (with the same name as my domain), set it as a website and upload some content.
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Can CSS detect the number of children an element has?
...elects based on the number of siblings.
Credit for this technique goes to André Luís (discovered) & Lea Verou (refined).
Don't you just love CSS3? ????
CodePen Example:
https://codepen.io/mattlubner-the-decoder/pen/ExaQZQR
Sources:
http://andr3.net/blog/post/142 (André Luís)
http://...
Is there a Google Voice API? [closed]
...
Well...
These are PHP.
There is an sms one from google here.
And github has one here.
Another sms one is here. However, this one has a lot more code, so it may take up more space.
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How do I make a Mac Terminal pop-up/alert? Applescript?
... edited Sep 9 '15 at 13:54
Andrew Marshall
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answered Apr 7 '11 at 22:20
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How to parse/format dates with LocalDateTime? (Java 8)
Java 8 added a new java.time API for working with dates and times ( JSR 310 ).
7 Answers
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What is the purpose of shuffling and sorting phase in the reducer in Map Reduce Programming?
In Map Reduce programming the reduce phase has shuffling, sorting and reduce as its sub-parts. Sorting is a costly affair.
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