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App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网
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App Inventor 2 UrsPahoMqttClient 拓展 - ...
Load image from url
...ining both ways: medium.com/@crossphd/…
– Martin Jäkel
Feb 22 '19 at 9:43
...
Where can I learn how to write C code to speed up slow R functions? [closed]
...tic function:
Rcpp::NumericVector x = Rcpp::NumericVector::create( 1.0, 2.0, 3.0 ) ;
Rcpp::NumericVector x = Rcpp::NumericVector::create(
_["a"] = 1.0,
_["b"] = 2.0,
_["c"] = 3
) ;
Of a given size:
Rcpp::NumericVector x( 10 ) ; // filled with 0.0
Rcpp::NumericVector x(...
How to programmatically cause a core dump in C/C++
...pa answer, helped my a lot for this answer.
– Boris Däppen
Feb 11 '19 at 18:22
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...
What is the most pythonic way to check if an object is a number?
...decimal import Decimal
... from fractions import Fraction
... for n in [2, 2.0, Decimal('2.0'), complex(2, 0), Fraction(2, 1), '2']:
... print(f'{n!r:>14} {isinstance(n, Number)}')
2 True
2.0 True
Decimal('2.0') True
(2+0j) True
Fraction(2, 1) True
...
ORA-01882: timezone region not found
...ope/Zurich" when using "ant". It worked!
– Christof Kälin
Jun 28 '18 at 9:00
2
This should be th...
Changing UIImage color
...deAlwaysTemplate];
[theImageView setTintColor:[UIColor redColor]];
Swift 2.0:
theImageView.image = theImageView.image?.imageWithRenderingMode(.AlwaysTemplate)
theImageView.tintColor = UIColor.magentaColor()
Swift 4.0:
theImageView.image = theImageView.image?.withRenderingMode(.alwaysTemplate)...
How do I view all commits for a specific day?
...rking on a specific day and update my timesheet based on that, but it's a pain in the ass to type in the full date in ISO format so I just do it like this
git log --after=jun9 --before=jun10
and I add --author to only print my commits
git log --since=jun9 --until=jun10 --author=Robert
This pr...
How can I split a JavaScript string by white space or comma?
...str_variable.replace(/[,'"]+/gi, ' ').split(' ')
– qräbnö
Jun 26 at 18:35
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...
How to add a WiX custom action that happens only on uninstall (via MSI)?
I would like to modify an MSI installer (created through WiX ) to delete an entire directory on uninstall.
6 Answers
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