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How update the _id of one MongoDB Document?
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Expert R users, what's in your .Rprofile? [closed]
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I wrote a RStudio addin that included this feature. You just copy the path, click a menu from RStudio, and the converted path will be inserted into your cursor location. This should save some keystrokes.
– dracodoc
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Opacity of div's background without affecting contained element in IE 8?
...ie. CSS3Pie adds a number of modern CSS3 features to older versions of IE, including rgba background colours.
To use CSS3Pie for backgrounds, you need to add a specific -pie-background declaration to your CSS, as well as the PIE behavior style, so your stylesheet would end up looking like this:
.m...
How to automatically install Emacs packages by specifying a list of package names?
...u can use package-autoremove to automatically remove packages that are not included in package-selected-packages (though it will preserve dependencies).
(package-initialize)
(unless package-archive-contents
(package-refresh-contents))
(package-install-selected-packages)
Source: http://endlesspa...
Improve INSERT-per-second performance of SQLite
...s an array of ActiveRecords into MySQL, SQLite or PostgreSQL databases. It includes an option to ignore existing records, overwrite them or raise an error. My rudimentary benchmarks show a 10x speed improvement compared to sequential writes -- YMMV.
I'm using it in production code where I frequentl...
Generic List - moving an item within the list
...ean any type of list or collection like data structure in .NET which could include ObservableCollection(T) or other classes which may implement a listy interface such as IList/ICollection/IEnumerable.
– jpierson
Oct 30 '15 at 1:00
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What's wrong with Java Date & Time API? [closed]
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This JSR will tackle the problem of a
complete date and time model,
including dates and times (with and
without time zones), durations and
time periods, intervals, formatting
and parsing.
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No Multiline Lambda in Python: Why not?
... up on indentation sensitivity, and this post he wrote about that decision includes a discussion about problems he ran into with indentation + multi-line blocks, and an increased appreciation he gained for Guido's design issues/decisions:
http://www.unlimitednovelty.com/2009/03/indentation-sensitiv...