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Do HTML WebSockets maintain an open connection for each client? Does this scale?
...sizes adding up for each open TCP/IP socket. Here's some additional info: https://serverfault.com/questions/48717/practical-maximum-open-file-descriptors-ulimit-n-for-a-high-volume-system
As for decreased latency via WS vs. HTTP, it's true since there's no more parsing of HTTP headers beyond the i...
Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=
...l_ci is advised against, as the performance improvement is negligible. See https://stackoverflow.com/a/766996/1432614
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What is a Java ClassLoader?
...lass loader not re loadable. Loads classes from system class path.
http://www.sbalasani.com/2015/01/java-class-loaders.html
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Timeout expired. The timeout period elapsed prior to completion of the operation or the server is no
... completed before the waiting time expires.
See KB 2605597 for details
https://support.microsoft.com/kb/2605597
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Peak signal detection in realtime timeseries data
...S-CoV-2 genome: evolutionary implications. ArXiv e-print, accessible from: https://arxiv.org/pdf/2006.00280.pdf
Esnaola-Gonzalez, I., Gómez-Omella, M., Ferreiro, S., Fernandez, I., Lázaro, I., & García, E. (2020). An IoT Platform Towards the Enhancement of Poultry Production Chains. Sensors,...
How to get the Android device's primary e-mail address
...ect their email address without the need for a permission. Take a look at: https://developers.google.com/identity/smartlock-passwords/android/retrieve-hints
HintRequest hintRequest = new HintRequest.Builder()
.setHintPickerConfig(new CredentialPickerConfig.Builder()
.setShow...
super() raises “TypeError: must be type, not classobj” for new-style class
...classes merely construct new objects of type instance). Partial reference: https://stackoverflow.com/a/9699961/42973.
PS: The difference between a new-style class and an old-style one can also be seen with:
>>> type(OldStyle) # OldStyle creates objects but is not itself a type
classobj
&...
registerForRemoteNotificationTypes: is not supported in iOS 8.0 and later
...d)];
}
//--- your custom code
return YES;
}
For iOS10
https://stackoverflow.com/a/39383027/3560390
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How to return PDF to browser in MVC?
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// Hat tip to David for his code on stackoverflow for this bit
// https://stackoverflow.com/questions/779430/asp-net-mvc-how-to-get-view-to-generate-pdf
byte[] file = ms.ToArray();
MemoryStream output = new MemoryStream();
output.Write(file, 0, file.Length);
output.Position ...
Proper way to declare custom exceptions in modern Python?
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As of Python 3.8 (2018, https://docs.python.org/dev/whatsnew/3.8.html), the recommended method is still:
class CustomExceptionName(Exception):
"""Exception raised when very uncommon things happen"""
pass
Please don't forget to document, w...