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How to get a one-dimensional scalar array as a doctrine dql query result?
...ateQuery("SELECT a.id FROM Auction a")->getResult("COLUMN_HYDRATOR");
More info:
http://docs.doctrine-project.org/projects/doctrine-orm/en/latest/reference/dql-doctrine-query-language.html#custom-hydration-modes
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Delete rows from a pandas DataFrame based on a conditional expression involving len(string) giving K
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In case someone needs a more complex comparion, a lambda can always be used. df[df['column name'].map(lambda x: str(x)!=".")]
– 4lberto
Jun 21 '18 at 15:26
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How does the algorithm to color the song list in iTunes 11 work? [closed]
...lower value might return black and dark gray, while a higher value ensures more diversity in the dominant colors); .5 is the minimum difference between dominant colors and the background (A higher value will yield higher-contrast color combinations)
Voila!
Graphics[{background, Disk[]}]
Graphics[{...
How to turn on/off ReactJS 'development mode'?
...t is not how most folks are going to or should consume React as a package. Moreover, at this point most every React library and package also relies on the same convention to toggle dev time helpers off during production. Just using the minified react will leave all those potential optimizations on t...
Unmangling the result of std::type_info::name
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If would probably be more clear to use std::unique_ptr<char, decltype(&std::free)> as the signature for your pointer.
– mindvirus
Aug 25 '14 at 17:53
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What is causing this ActiveRecord::ReadOnlyRecord error?
...ys automatically inferred in has_and_belongs_to_many if the join table has more than the two foreign keys columns and :joins was specified without an explicit :select (i.e. user-supplied :readonly values are ignored -- see finding_with_ambiguous_select? in active_record/associations/has_and_belongs_...
How large should my recv buffer be when calling recv in the socket library
...). If your protocol is transferring bulk data, then larger buffers can be more efficient - a good rule of thumb is around the same as the kernel receive buffer size of the socket (often something around 256kB).
SOCK_DGRAM: Use a buffer large enough to hold the biggest packet that your application-l...
Unit Testing AngularJS directive with templateUrl
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PowerShell script to return versions of .NET Framework on a machine?
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Now I'm more confused about what the heck Get-ItemProperty -name Version,Release -EA 0 is doing. I know -EA 0 is the same as -ErrorAction SilentlyContinue, but what effect would Get-ItemProperty -name Version,Release have when piping...
Why can I not push_back a unique_ptr into a vector?
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