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Does Python support short-circuiting?
...cuiting. As shown in the docs; they evaluate each element of a sequence in-order, until finding a result that allows an early exit in the evaluation. Consider examples below to understand both.
The function any() checks if any element is True. It stops executing as soon as a True is encountered an...
Installing python module within code
...rmore since pip v10, all code has been moved to pip._internal precisely in order to make it clear to users that programmatic use of pip is not allowed.
Use sys.executable to ensure that you will call the same pip associated with the current runtime.
import subprocess
import sys
def install(packag...
Python None comparison: should I use “is” or ==?
...hat == will do depends on the exact type of the operands and even on their ordering.
This recommendation is supported by PEP 8, which explicitly states that "comparisons to singletons like None should always be done with is or is not, never the equality operators."
...
how to show alternate image if source image is not found? (onerror working in IE but not in mozilla)
...
If you're open to a PHP solution:
<td><img src='<?PHP
$path1 = "path/to/your/image.jpg";
$path2 = "alternate/path/to/another/image.jpg";
echo file_exists($path1) ? $path1 : $path2;
?>' alt='' />
</td>
////EDI...
How many socket connections can a web server handle?
...
In short:
You should be able to achieve in the order of millions of simultaneous active TCP connections and by extension HTTP request(s). This tells you the maximum performance you can expect with the right platform with the right configuration.
Today, I was worried wheth...
How to find my Subversion server version number?
...>
<body>...
<address>Apache/2.2.11 (Debian) DAV/2 SVN/1.5.6 PHP/5.2.9-4 ...</address>
</body></html>
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Populate a Razor Section From a Partial
...Builder sb = new StringBuilder();
foreach (var item in requiredScripts.OrderByDescending(i => i.Priority))
{
sb.AppendFormat("<script src=\"{0}\" type=\"text/javascript\"></script>\n", item.Path);
}
return new HtmlString(sb.ToString());
}
public class ResourceI...
Unique Key constraints for multiple columns in Entity Framework
...et; }
The second parameter in the attribute is where you can specify the order of the columns in the index.
More information: MSDN
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Is Big O(logn) log base e?
... big-O notation is usually written showing only the asymptotically highest order of n, so constant coefficients will drop away. Since a different logarithm base is equivalent to a constant coefficient, it is superfluous.
That said, I would probably assume log base 2.
...
Git Diff with Beyond Compare
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I also found this article: scootersoftware.com/support.php?zz=kb_vcs
– Guy Avraham
Nov 5 '16 at 9:29
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