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typeof !== “undefined” vs. != null
...e would use the !== or === operators when comparing a value whose type is known to be a string.
– Nicolas Rinaudo
Aug 30 '13 at 7:38
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How to check an Android device is HDPI screen or MDPI screen?
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The below answer is now the above answer, need to be more generic ;)
– Neil
Oct 3 '12 at 11:58
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Meteor test driven development [closed]
...bit of modification to expose themselves to Mocha, and this requires some knowledge of how Node.js works. Think of each Node.js file as being executed within its own scope. Meteor automatically exposes objects in different files to one another, but ordinary Node applications—like Mocha—do not do...
Reading header data in Ruby on Rails
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Rails now attaches HTTP_ to the header as well as converting it to all caps so it would now be:
request.headers["HTTP_CONTENT_TYPE"]
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What are the key differences between Apache Thrift, Google Protocol Buffers, MessagePack, ASN.1 and
...t about other libraries and how it's usable in common? Also, it seems Avro now has IDL with C-like syntax in addition to JSON one.
– andreypopp
Jan 8 '11 at 12:30
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How to dynamically create CSS class in JavaScript and apply?
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Pretty sure this results in a unknown runtime error in IE 8 and less.
– Andy Hume
Oct 31 '11 at 10:52
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SQL Server ':setvar' Error
...TABASE [$DatabaseName] it was simply CREATE DATABASE MYDBNAME. This script now works to create my database via executenonquery() during my first application startup after install.
– Scott
Jul 19 '16 at 20:56
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How to select multiple files with ?
...s not user friendly, the avarage user doesn't understand it, doesn't even know what a "ctrl button" does, and it cannot select files in different folders.
– Jean-Paul
Jan 30 '17 at 16:04
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Best way to store date/time in mongodb
... @Thilo: MongoDB has no special 'datetime' object as far as I know. It uses the JavaScript Date type, which is stored in BSON form.
– Niels van der Rest
Sep 24 '10 at 8:04
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How to disable JavaScript in Chrome Developer Tools?
...gt; Settings > "Disable Javascript" -> Refresh works! Would love to know WHY it's not working in regular mode. I haven't found any tickets for this issue. Seems to only happen to certain users.
– Phil Tune
Oct 29 '14 at 19:16
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