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Why is MATLAB so fast in matrix multiplication?
...=
0.0324
>> gputimeit(@()gA*gA)
ans =
0.0022
Update using R2018b on a WIN64 machine with 16 physical cores and a Tesla V100:
>> timeit(@()A*A)
ans =
0.0229
>> gputimeit(@()gA*gA)
ans =
4.8019e-04
(NB: at some point (I forget when exactly) gpuArray switched from ...
How to detect if app is being built for device or simulator in Swift
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Updated Info as of February 20, 2018
It looks like @russbishop has an authoritative answer that renders this answer "incorrect" - even though it appeared to work for a long time.
Detect if app is being built for device or simulator in Swift
Previous Answ...
In Python, how can you load YAML mappings as OrderedDicts?
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2018 option:
oyaml is a drop-in replacement for PyYAML which preserves dict ordering. Both Python 2 and Python 3 are supported. Just pip install oyaml, and import as shown below:
import oyaml as yaml
You'll no longer be a...
How to select Python version in PyCharm?
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Select desired Project interpreter
Apply + OK
[NOTE]:
Tested on Pycharm 2018 and 2017.
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How do I change the color of radio buttons?
...en the input is selected, to provide the alternate graphics
Update: As of 2018 you can add the following to support multiple browser vendors:
input[type="radio"] {
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
}
...
Provide an image for WhatsApp link sharing
... @DerkJanSpeelman I don't understand, this site: jornada.unam.mx/ultimas/2018/06/19/… has more than 35 characters and the image preview is working. where can I find the correct specification?
– elios264
Jun 19 '18 at 16:26
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How can I access Google Sheet spreadsheets only with Javascript?
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Jan 2018 UPDATE: When I answered this question last year, I neglected to mention a third way to access Google APIs with JavaScript, and that would be from Node.js apps using its client library, so I added it below.
It's Mar 2017...
How to disable code formatting for some part of the code using comments?
...iJ IDEA v.2016+:
Preferences > Editor > Code Style
IntelliJ IDEA v.2018+:
File > Settings > Editor > Code Style
You can change the formatter control markers, as long as they're in comments.
Ensure formatter markers in comments are enabled, as shown in the following figure:
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Bootstrap dropdown sub menu missing
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Updated 2018
The dropdown-submenu has been removed in Bootstrap 3 RC. In the words of Bootstrap author Mark Otto..
"Submenus just don't have much of a place on the web right now, especially the mobile web. They will be removed w...
CSS hexadecimal RGBA?
...upports these 8-digit values, these will override the rgba() ones.
UPDATE 2018-07-04: Firefox, Chrome and Safari are support this notation now, Edge still missing but will probably follow (https://caniuse.com/#feat=css-rrggbbaa).
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