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return query based on date
... equals), because this is often used for date-only queries, where the time component is 00:00:00.
If you really want to find a date that equals another date, the syntax would be
db.gpsdatas.find({"createdAt" : new ISODate("2012-01-12T20:15:31Z") });
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Can't specify the 'async' modifier on the 'Main' method of a console app
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As you discovered, in VS11 the compiler will disallow an async Main method. This was allowed (but never recommended) in VS2010 with the Async CTP.
I have recent blog posts about async/await and asynchronous console programs in particular. Here's some backg...
How to check whether a file or directory exists?
...ver. Explicitly returning an err as a second return value is an extremely common, idiomatic Go technique. See: golang.org/doc/effective_go.html#errors
– Chris Pfohl
Aug 13 '13 at 20:19
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Command to change the default home directory of a user
I would like to know whether there is any simple shell command to change the user home directory in Linux/Unix (one similar to chsh which changes the default login shell of an existing valid user) without touching the /etc/passwd file. Thanks
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How do I make a checkbox required on an ASP.NET form?
...this is the right way to do this". To answer the most frequently occurring complaint against this question: "checkboxes can have two legitimate states - checked and unchecked", this is an "I accept the terms and conditions..." checkbox which must be checked in order to complete a registration, hence...
css label width not taking effect
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@ColinD I would recommend using divs, not <p> tags.
– Davis
Jul 7 '16 at 17:35
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Capistrano error tar: This does not look like a tar archive
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Responding with a JSON object in Node.js (converting object/array to JSON string)
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Plot a bar using matplotlib using a dictionary
... you can of course wrap those two lines up in a function and then it becomes a one-liner ;)
– tacaswell
Apr 15 '13 at 16:04
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How to Create Deterministic Guids
...ata_search.php?rfc=4122&eid=1352). If this implementation is not fully compliant with RFC4122 and its errata, please provide further details; I would like to make it follow the standard.
– Bradley Grainger
Jul 10 '13 at 6:57
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