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Match whole string
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Use the start and end delimiters: ^abc$
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Specify format for input arguments argparse python
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Then use that as type:
parser.add_argument("-s",
"--startdate",
help="The Start Date - format YYYY-MM-DD",
required=True,
type=valid_date)
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Convert string in base64 to image and save on filesystem in Python
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Starting with
img_data = b'iVBORw0KGgoAAAANSUhEUgAABoIAAAaCCAYAAAABZu+EAAAqOElEQVR42uzBAQEAAACAkP6v7ggK\nAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\nAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...
Compelling examples of custom C++ allocators?
...custom allocator
(which derives from std::allocator), I think it is a good starting
point to write own allocators. Feel free to use this piece of code
in whatever way you want:
#include <memory>
#include <stdio.h>
namespace mmap_allocator_namespace
{
// See StackOverflow repli...
Loading/Downloading image from URL on Swift
...ionHandler: completion).resume()
}
Create a method to download the image (start the task)
func downloadImage(from url: URL) {
print("Download Started")
getData(from: url) { data, response, error in
guard let data = data, error == nil else { return }
print(response?.suggested...
How do I shutdown, restart, or log off Windows via a bat file?
... a workstation. But in this environment, I cannot use the power options in Start Menu. I need an alternative way to shutdown or restart.
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Why does HTML think “chucknorris” is a color?
...[RGB(192, 192, 0)]
Which gives a light yellow gold colour. As the string starts off as 9 characters, we keep the second C this time around hence it ends up in the final colour value.
I originally encountered this when someone pointed out you could do color="crap" and, well, it comes out brown.
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What's the difference between Spring Data's MongoTemplate and MongoRepository?
... which I can do complex queries using spring-data and mongodb. I have been starting by using the MongoRepository but struggled with complex queries to find examples or to actually understand the Syntax.
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Is the Scala 2.8 collections library a case of “the longest suicide note in history”? [closed]
I have just started to look at the Scala collections library re-implementation which is coming in the imminent 2.8 release. Those familiar with the library from 2.7 will notice that the library, from a usage perspective, has changed little. For example...
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How to detect if a function is called as constructor?
...ntion that properties not intended as part of the public API for an object start with an underscore, while there are some non-standard properties of JavaScript objects in some browsers that start with double underscores and I was taking my cue from those ideas. I didn't think about it in great detai...