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Is it possible to have multiple statements in a python lambda expression?
...an just using sorted(), so only measurements can tell which solution is fastest in your case. heapq.nsmallest() does however have a complexity of O(k * log(n) + n) I think, with n the length of the list and k the number of smallest items you wish to extract. O(n) to heapify the list and k times O(lo...
Configuring Git over SSH to login once
...
@Charles Hi, I've just tested the same and it is working as expected.
– Nishant Thapliyal
May 18 at 6:14
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Get class name of django model
...ok._meta).
This question is quite old, but I found the following helpful (tested on Django 1.11, but might work on older...), as you may also have the same model name from multiple apps.
Assuming Book is in my_app:
print(Book._meta.object_name)
# Book
print(Book._meta.model_name)
# book
print(B...
Run/install/debug Android applications over Wi-Fi?
I thought there was a way to test your applications in development over Wi-Fi. Is this possible?
34 Answers
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Can PHP cURL retrieve response headers AND body in a single request?
...with it (and must return the number of bytes of the given line). Here is a tested working code:
function HandleHeaderLine( $curl, $header_line ) {
echo "<br>YEAH: ".$header_line; // or do whatever
return strlen($header_line);
}
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "http:...
Automapper: Update property values without creating a new object
...n the static method used in the accepted answer, you can do the following (tested in AutoMapper 6.2.2)
IMapper _mapper;
var config = new MapperConfiguration(cfg =>
{
cfg.CreateMap<Source, Destination>();
});
_mapper = config.CreateMapper();
Source src = new Source
{
//initialize prope...
How does JPA orphanRemoval=true differ from the ON DELETE CASCADE DML clause
...won't kick in, in relational world there PostComment is not orphan. I will test it when I get some free time.
– aurelije
How do I save a stream to a file in C#?
...int)bytes.Length);
//fs.Close();
}
}
This code works as I've tested it with a .jpg file, though I admit I have only used it with small files (less than 1 MB). One stream, no copying between streams, no encoding needed, just write the bytes! No need to over-complicate things with Stre...
Eclipse - no Java (JRE) / (JDK) … no virtual machine
...anywhere on your disk.
I would recommend to always run Eclipse with the lastest JRE possible (to benefit from the latest hotspot evolutions).
You can:
Reference that exact JRE path in your eclipse.ini.
Copy any JRE of your in your <eclipse>/jre directory.
In both cases, no PATH to update.
T...
How to use querySelectorAll only for elements that have a specific attribute set?
...
You can use querySelectorAll() like this:
var test = document.querySelectorAll('input[value][type="checkbox"]:not([value=""])');
This translates to:
get all inputs with the attribute "value" and has the attribute "value" that is not blank.
In this demo, it disabl...