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A field initializer cannot reference the nonstatic field, method, or property
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assign multiple variables to the same value in Javascript
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throw new std::exception vs throw std::exception
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The C++ FAQ has a nice discussion on this:
https://isocpp.org/wiki/faq/exceptions#what-to-catch
https://isocpp.org/wiki/faq/exceptions#catch-by-ptr-in-mfc
Basically "unless there's a good reason not to, catch by reference. Avoid catching by value, since that causes ...
Extract elements of list at odd positions
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How to 'bulk update' with Django?
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Django 2.2 version now has a bulk_update method (release notes).
https://docs.djangoproject.com/en/stable/ref/models/querysets/#bulk-update
Example:
# get a pk: record dictionary of existing records
updates = YourModel.objects.filter(...).in_bulk()
....
# do something with the updates di...
Scala actors: receive vs react
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Why do we need tuples in Python (or any immutable data type)?
...Edit:
I think this blog post explains why I think this better than I did: http://news.e-scribe.com/397
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Overlaying histograms with ggplot2 in R
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Change / Add syntax highlighting for a language in Sublime 2/3
... I found it in the "variables" section.
Pick a new color using a tool like http://hslpicker.com/ .
Either define a new color variable, or overwrite the color setting for blue6.
Warning: overwriting blue6 will affect all other text-elements in that color scheme which also use blue6 ("Punctuation"...
How Do I Fetch All Old Items on an RSS Feed?
... working on a RSS reader and decided to build my own RSS archival service (https://app.pub.center). It's free to use the REST API. We charge money for push notifications.
The service daily polls it's catalog of RSS feeds, and caches the articles. Then, you can get these articles back in a chronolog...