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Difference between DateTime and Time in Ruby

...main):002:0> require "date" => true irb(main):003:0> t = Time.new(2012,6,30,23,59,60,0) => 2012-06-30 23:59:60 +0000 irb(main):004:0> dt = t.to_datetime; dt.to_s => "2012-06-30T23:59:59+00:00" irb(main):005:0> t == dt.to_time => false irb(main):006:0> t.to_i => 13411008...
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Ignoring time zones altogether in Rails and PostgreSQL

...eing displayed to the client. Example (in psql): db=# SELECT timestamptz '2012-03-05 20:00+03'; timestamptz ------------------------ 2012-03-05 18:00:00+01 What happened here? I chose an arbitrary time zone offset +3 for the input literal. To Postgres, this is just one of many ways to input...
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How to force a Solution file (SLN) to be opened in Visual Studio 2013?

Trying to open a VS 2012 solution (SLN file) explicitly in VS 2013 succeeds. Simply double-clicking it in Windows Explorer still opens it in VS 2012 instead. ...
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How to set text size of textview dynamically for different screens [duplicate]

I am creating a textview and adding to the layout dynamically. I am using textView.setTextSize(18) method to set the text size.I tested it on samsung tablet and found that the font size is too small for this screen then I changed the textsize to 25 but it is too big for an emulator(480*800). My pr...
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Font size of TextView in Android application changes on changing font size from native settings

...t textsize in application. Then we change the font size in Setting, the TextView in application also change – Phan Van Linh Feb 28 '17 at 4:04 ...
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How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?

...rimmed down example: # ll /sys/class/tty/ttyUSB* lrwxrwxrwx 1 root root 0 2012-03-28 20:43 /sys/class/tty/ttyUSB0 -> ../../devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.0/ttyUSB0/tty/ttyUSB0/ lrwxrwxrwx 1 root root 0 2012-03-28 20:44 /sys/class/tty/ttyUSB1 -> ../../devices/pci0000:00...
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Create MSI or setup project with Visual Studio 2012

... To create setup projects in Visual Studio 2012 with InstallShield Limited Edition, watch this video. The InstallShield limited edition that cannot install services. "ISLE is by far the worst installer option and the upgraded, read - paid for, version is cumber...
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MySQL SELECT WHERE datetime matches day (and not necessarily time)

...owing 4 records, then only the 2nd and 3rd would be returned if I limit to 2012-12-25. 4 Answers ...
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SQL Server 2012 column identity increment jumping from 6 to 1000+ on 7th entry [duplicate]

... a strange scenario in which the auto identity int column in my SQL Server 2012 database is not incrementing properly. 3 An...
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About Android image and asset sizes

... display is equal to 1 dip. The ratio for asset scaling is: ldpi | mdpi | tvdpi | hdpi | xhdpi | xxhdpi | xxxhdpi 0.75 | 1 | 1.33 | 1.5 | 2 | 3 | 4 Although you don't really need to worry about tvdpi unless you're developing specifically for Google TV or the original Nexus 7 -- but ...