The Unix epoch (or Unix time or POSIX time or Unix timestamp) is the number of seconds that have elapsed since January 1, 1970 (midnight UTC/GMT), not counting leap seconds (in ISO 8601: 1970-01-01T00:00:00Z).Literally speaking the epoch is Unix time 0 (midnight 1/1/1970), but 'epoch' is often used as a synonym for Unix time.Some systems store epoch dates as a signed 32-bit integer, which might cause problems on January 19, 2038 (known as the Year 2038 problem or Y2038).The converter on this page converts timestamps in seconds (10-digit), milliseconds (13-digit) and microseconds (16-digit) to readable dates.

World Time Buddy (WTB) is a convenient world clock, a time zone converter, and an online meeting scheduler. It's one of the best online productivity tools for those often finding themselves traveling, in flights, in online meetings or just calling friends and family abroad.

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Technology Level 3: A DEEC-Tec-based ocean wave energy converter is an example of an energy harnessing/converting structure made of DEEC-Tec metamaterials. DEEC-Tec-based wave energy converters have two defining characteristics:

NREL has extensive experience in developing materials for both FMDEC structures and embedded distributed energy converters. This experience, to name of few, leverages techniques ranging from upcycling of used polymers to the development of novel new elastomer electrodes.

NREL is familiar with and has the experience necessary for the co-design of DEEC-Tec-based ocean wave energy converters. Inherent in their nature, DEEC-Tec-based converters require the co-design and concurrent engineering of, at minimum:

In the String Formatting article, you saw how you can use the StringFormat property of a data binding to convert any type into a string. For other types of conversions, you need to write some specialized code in a class that implements the IValueConverter interface. (The Universal Windows Platform contains a similar class named IValueConverter in the Windows.UI.Xaml.Data namespace, but this IValueConverter is in the Xamarin.Forms namespace.) Classes that implement IValueConverter are called value converters, but they are also often referred to as binding converters or binding value converters.

The Enable Buttons page in the Data Binding Demos sample demonstrates how to use this value converter in a data binding. The IntToBoolConverter is instantiated in the page's resource dictionary. It is then referenced with a StaticResource markup extension to set the Converter property in two data bindings. It is very common to share data converters among multiple data bindings on the page:

The Enable Buttons page demonstrates a common need when a Button performs an operation based on text that the user types into an Entry view. If nothing has been typed into the Entry, the Button should be disabled. Each Button contains a data binding on its IsEnabled property. The data-binding source is the Length property of the Text property of the corresponding Entry. If that Length property is not 0, the value converter returns true and the Button is enabled:

Some value converters are written specifically for particular applications, while others are generalized. If you know that a value converter will only be used in OneWay bindings, then the ConvertBack method can simply return null.

You can write value converters to be more generalized and to accept several different types of data. The Convert and ConvertBack methods can use the as or is operators with the value parameter, or can call GetType on that parameter to determine its type, and then do something appropriate. The expected type of each method's return value is given by the targetType parameter. Sometimes, value converters are used with data bindings of different target types; the value converter can use the targetType argument to perform a conversion for the correct type.

The Switch Indicators page demonstrates how it can be used to display the value of a Switch view. Although it's common to instantiate value converters as resources in a resource dictionary, this page demonstrates an alternative: Each value converter is instantiated between Binding.Converter property-element tags. The x:TypeArguments indicates the generic argument, and TrueObject and FalseObject are both set to objects of that type:

The Binding class defines a ConverterParameter property, and the Binding markup extension also defines a ConverterParameter property. If this property is set, then the value is passed to the Convert and ConvertBack methods as the parameter argument. Even if the instance of the value converter is shared among several data bindings, the ConverterParameter can be different to perform somewhat different conversions.

To display these as hexadecimal values in XAML, they must be multiplied by 255, converted to an integer, and then formatted with a specification of "X2" in the StringFormat property. The first two tasks (multiplying by 255 and converting to an integer) can be handled by the value converter. To make the value converter as generalized as possible, the multiplication factor can be specified with the ConverterParameter property, which means that it enters the Convert and ConvertBack methods as the parameter argument:

The Convert converts from a double to int while multiplying by the parameter value; the ConvertBack divides the integer value argument by parameter and returns a double result. (In the program shown below, the value converter is used only in connection with string formatting, so ConvertBack is not used.)

Blackmagic Design has a wide range of SMPTE-2110 IP video products, including converters, video monitors, audio monitors and even cameras! Plus they support Ultra HD using low cost 10G Ethernet! Most converter models are bidirectional, so they're fantastic to use on cameras when you need an extra program return! The rack mount models have an elegant design with a color LCD for monitoring, menus and diagnostics. All models conform to the SMPTE ST-2110 standard for IP video, including PTP clocks and even NMOS support so you can make connections using a video router panel. The Blackmagic 2110 IP Converter 3x3G model even includes a reference video output, timed to the 2110 PTP clock!

The Blackmagic 2110 IP Converters have been designed to integrate SDI equipment into 2110 IP broadcast systems. The rack mount models can be installed in equipment racks right next to the equipment you're converting. However with Blackmagic Studio Cameras, Blackmagic Audio Monitor 12G G3 and the SmartView 4K G3, you can build most of your SMPTE-2110 system without converters! Plus most Blackmagic SMPTE-2110 IP video products can be remote powered! But adding converters means you get a low cost way to transform all your video equipment to SMPTE-2110. Simply add a Blackmagic 2110 IP Converter to live production switchers, disk recorders, streaming processors, cameras, TVs and more.

You can connect the converters point to point with a simple Ethernet cable between the converters. An example is between a rack and a monitor converter or camera. The point to point connection auto configures so you don't need to enter any settings. It's a simple cable that you just plug in! With point to point connections, you get the perfect solution for live events as the Ethernet cable can make connecting to cameras extremely simple with all control, power and video down a single cable.

The perfect 3 channel rack mount HD SMPTE-2110 converter. With 3 separate 3G-SDI input channels and 3 separate 3G-SDI output channels, you can connect up to 3 x 3G-SDI video devices to SMPTE-2110 in the single converter. All 3 channels can be sent via a simple RS-45 style 10G Ethernet connection, so you can use common low cost CAT-6 Ethernet cables. This model also includes a reference video output that's timed to the PTP clock. There's also a front panel LCD for monitoring.

This model is designed for connecting a large screen television or computer monitor into SMPTE-2110 IP systems. It's tiny design means you can mount it behind the display! It works in all SD, HD and Ultra HD video standards up to 2160p60. So it's future proof! It has a standard 10G RJ-45 Ethernet connection, so you can use regular CAT-6 Ethernet cables. The converter can be powered via Ethernet (PoE), so you don't even need to connect the power! Although a DC power supply is included!

This bi-directional 12G-SDI converter is designed to connect broadcast cameras to SMPTE-2110 IP systems. This means it handles the SDI camera feed and the SDI program return in the one converter! It's small size means it can be used in-line hand held. It also has a 5 pin XLR talkback headset connection! There's even talkback volume and a press to talk button! You get support for SD, HD and Ultra HD standards up to 2160p60. Plus it powers from the RJ-45 10G Ethernet or the included DC power supply.

This model is for podiums where speakers do presentations. It connects switchers to computers, projectors, microphones and PA systems. It has HDMI and USB-C inputs for video and the USB-C will even power a laptop. There is also an HDMI output for projectors. This output can be switched to the video input, or the 2110 IP return feed. There are XLR mic inputs and XLR audio out for PA speakers. The RJ-45 10G Ethernet video connection can power the whole converter, even when charging a USB computer!

This converter is designed to add SMPTE-2110 IP video to 12G-SDI broadcast equipment. It features a 1RU design with 4 independent bidirectional 12G-SDI to SMPTE-2110 IP video converters using RJ-45 10G Ethernet connections. This means it can also supply high power to each 10G Ethernet connection guaranteed, so you can connect 4 Blackmagic Studio Camera 6K Pros, all at the same time. Each channel has a 12G-SDI input, but there's even a 12G-SDI program return input that sends to all channels. 0852c4b9a8

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