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WebSockets vs. Server-Sent events/EventSource
Both WebSockets and Server-Sent Events are capable of pushing data to browsers. To me they seem to be competing technologies. What is the difference between them? When would you choose one over the other?
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AngularJS: ng-repeat list is not updated when a model element is spliced from the model array
I have two controllers and share data between them with an app.factory function.
5 Answers
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Volatile vs. Interlocked vs. lock
...he point of volatile is that multiple threads running on multiple CPUs can and will cache data and re-order instructions.
If it is not volatile, and CPU A increments a value, then CPU B may not actually see that incremented value until some time later, which may cause problems.
If it is volatile, th...
How to quickly check if folder is empty (.NET)?
...s. I know, that there is a simple method. We get array of FileSystemInfo's and check if count of elements equals to zero. Something like that:
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Can I add a custom attribute to an HTML tag?
...o verify this behavior: "If you download the sample files for this article and validate file internal.html, you can see this for yourself. Unfortunately, when you display the file in a browser, the ]> shows up on the screen. There’s no way around this bug, so this approach is right out."
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log4j configuration via JVM argument(s)?
...o I have to set/pass as arguments to the JVM to get log4j to run properly? And by properly I mean not complain and print to the console. Can I see a typical example?
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What does “Object reference not set to an instance of an object” mean? [duplicate]
I am receiving this error and I'm not sure what it means?
8 Answers
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Django URL Redirect
...direct
Update for Django 2+ versions
With Django 2+, url() is deprecated and replaced by re_path(). Usage is exactly the same as url() with regular expressions. For replacements without the need of regular expression, use path().
from django.urls import re_path
re_path(r'^.*$', RedirectView.as_v...
How to change the decimal separator of DecimalFormat from comma to dot/point?
I have this little crazy method that converts BigDecimal values into nice and readable Strings.
6 Answers
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CSS background-image - What is the correct usage?
...of the CSS background-image property?
The key things I am trying to understand is
10 Answers
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