- published: 06 Apr 2022
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The null coalescing operator (called the Logical Defined-Or operator in Perl) is a binary operator that is part of the syntax for a basic conditional expression in several programming languages, including C#,Perl as of version 5.10,Swift, and PHP 7.0.0.
In contrast to the ternary conditional if operator used as x ? x : y
, but like the binary Elvis operator used as x ?: y
, the null coalescing operator is a binary operator and thus evaluates its operands at most once, which is significant if the evaluation of x
has side-effects.
In C#, the null coalescing operator is ??
. It is most often used to simplify null expressions as follows:
For example, if one wishes to implement some C# code to give a page a default title if none is present, one may use the following statement:
instead of the more verbose
or
The three forms are logically equivalent.
The operator can also be used multiple times in the same expression:
Once a non-null value is assigned to number, or it reaches the final value (which may or may not be null), the expression is completed.
Liberman is the fifth studio album by American singer-songwriter Vanessa Carlton, released on October 23, 2015, through Dine Alone Records. It is the follow up to Carlton's 2011 album Rabbits on the Run and marks her first release since signing with Dine Alone Records. The title of the album comes from an oil painting made by Carlton's late grandfather, whose given surname was Liberman.
Following the 2011 release Rabbits on the Run, Carlton took time off to get married, start a family and write another album. She tells CBS News that these changes in her life are reflected in Liberman's songs and that she "wanted the whole album to feel like an escape type of album, where you put it on and you feel like you're in this dreamy state."
To avoid preconceived notions, demos recorded were sent to Dine Alone Records without Carlton's name attached. Label president Joel Carriere recalls hearing the demos and tells The Toronto Star, "The songs were amazing, it was atmospheric, it kind of fit into what we’re all into ... and we never would have guessed it was Vanessa Carlton because her voice has developed so much since her pop songs 14 years ago and the songwriting had obviously changed. We were, like: 'Yeah, we want to do this. But what is it we’re doing?'"
An operator is a mapping from one vector space or module to another. Operators are of critical importance to both linear algebra and functional analysis, and they find application in many other fields of pure and applied mathematics. For example, in classical mechanics, the derivative is used ubiquitously, and in quantum mechanics, observables are represented by hermitian operators. Important properties that various operators may exhibit include linearity, continuity, and boundedness.
Let U, V be two vector spaces. Any mapping from U to V is called an operator. Let V be a vector space over the field K. We can define the structure of a vector space on the set of all operators from U to V (A and B are operators):
for all A, B: U → V, for all x in U and for all α in K.
Additionally, operators from any vector space to itself form a unital associative algebra:
with the identity mapping (usually denoted E, I or id) being the unit.
Contract bridge, or simply bridge, is a trick-taking game using a standard 52-card deck. It is played by four players in two competing partnerships, with partners sitting opposite each other around a table. Millions of people play bridge worldwide in clubs, tournaments, online and with friends at home, making it one of the world's most popular card games, particularly among seniors. The World Bridge Federation is the governing body for international competitive bridge.
The game consists of several deals each progressing through four phases: dealing the cards, the auction (also referred to as bidding), playing the cards, and scoring the results. However, most club and tournament play involves some variant of duplicate bridge, where the cards are not re-dealt on each occasion, the same deal being played by two or more different sets of players to enable comparative scoring.
The name bridge has its origins in the name of an earlier game. Bridge departed from whist with the creation of Biritch (or "Russian Whist") in the 19th century, and evolved through the late 19th and early 20th centuries to form the present game. The word biritch itself is a spelling of the Russian word Бирюч (бирчий, бирич), an occupation of a diplomatic clerk or and announcer. However some experts think that the Russian origin of the game is a fallacy.
Bridge is the sixth album by American jam band Blues Traveler, released May 2001 (see 2001 in music). This is Blues Traveler's first album following the 1999 death of bassist Bobby Sheehan. The album was originally titled "Bridge Out of Brooklyn."
All tracks by Blues Traveler
Bridge Nine Records is a contemporary hardcore punk record label located outside Boston, Massachusetts. Bridge Nine is owned by Chris Wrenn of Salem, Massachusetts, who began the label in 1995 and produced its first release in 1996. The label is named as a metaphor for what Wrenn wanted to do in creating the label: bridge all parts of the hardcore scene into one label and then put his lucky number (nine) in the title. The label currently has 8 employees and 30 active bands.
This video highlights the work of the Bridge Operator who is responsible for ensuring optimal bridge raising operations to allow large ships to pass through the canal.
If you're new, Subscribe Here → http://www.youtube.com/subscription_center?add_user=B105duluth Ken and Cathy from the B105 Breakfast Club go behind the scenes at the famous Duluth Aerial Lift Bridge. Like us ? https://www.facebook.com/B105FM Follow us ? https://twitter.com/B105Duluth Get our newsletter ? http://kkcb.com/newsletter/ For any licensing requests please contact: duluth.youtube@townsquaremedia.com
Introduction to Jet Bridge, also known by many other names including Passenger Boarding Bridge, Aviobridge, Aerobridge, Jetway and Jetty. We explain what it is and how it works. The operation of a Jet Bridge is an important ramp operation at airports. Online Course on Aircraft Ground Support Equipment (Course Platform: Udemy) https://www.udemy.com/course/aircraft-ground-support-equipment/?referralCode=C1165275CAD696E71B1E Online Course on Ramp Safety - Safety in Aircraft Ground Handling Operations on Aircraft Stands (Course Platform: Udemy) https://www.udemy.com/course/aviation-ramp-safety-course/?referralCode=4D47EBDE03CDFFEA87FC Online Course on Introduction to Airport Privatization - A Subject of Aviation Management https://www.udemy.com/course/airport-privatization/?referralCode=961...
Take a peek inside a Downtown bridge house on the Milwaukee River.
We are in the bridge tender's shanty on the Washington Street Drawbridge in Norwalk, Connecticut, where we see a boat coming up the Norwalk River headed for it's slip in the marina across the river. As soon as the operator gets confirmation that the boat can't fit, he opens the bridge. He starts by blowing the warning horn three times to alert pedestrians and traffic to clear the bridge. Then, the gates go down to prevent traffic from proceeding, then, he unlocks the leafs of the bridge and raises them to about 20 degrees open on either side. The captain of the vessel says he's through, and the operator lowers the bridge, locks it in place, and opens the gates again. Once traffic starts to proceed through again, we take a look out the other side of the shanty and see Walk Bridge, whic...
A bridge tender is terminated after the drawbridge raises with a car still on it.
Tower Bridge is a tourist attraction these days: but first and foremost, it's a working, lifting bridge. And river traffic comes first. • Thanks to the Tower Bridge team: they have details of their tours here: https://www.towerbridge.org.uk/ Produced by: Cambria Bailey-Jones Edited by: Guy Larsen Camera: Jamie MacLeod 2nd Unit Camera: Jimmy Blake Drone Director: Matthew Bateman Drone Operators: Ian Hunter, Phil Conrad A Penny4 Production: https://www.penny4.co.uk Filmed safely: https://www.tomscott.com/safe/ REFERENCES: Corporation of London (Tower Bridge) Act 1885, https://vlex.co.uk/vid/corporation-of-london-tower-808108441 Hansard debate on Tower Bridge 1970, https://hansard.parliament.uk/Commons/1960-01-27/debates/9f990ccf-e0e0-439c-bdbb-ef42162e4c57/TowerBridge 🟥 MORE FROM TOM: h...
Matthew Craft has one of Portland's most solitary jobs. Join Matthew, a Hawthorne Bridge Operator, as he struggles to find balance between loneliness and solitude. Filmed in Multnomah County's Hawthorne Bridge, we follow this bridge operator on day and night shift, opening this vertical lift bridge. A NorthWest Documentary project. Bridge Tender PDX
Gradient | Divergence | Curl | Laplacian Operator | Solved Questions #vectorcalculus #vectors Vector calculus is a branch of mathematics that deals with the differentiation and integration of vector fields. Vector fields are mathematical objects that represent the distribution of a vector to each point in a subset of space. A vector is a quantity that has both magnitude and direction, such as velocity, acceleration, and force. Vector calculus is used in a wide variety of applications, including physics, engineering, and computer graphics. In physics, vector calculus is used to describe the motion of objects, the flow of fluids, and the behavior of electromagnetic fields. In engineering, vector calculus is used to design and analyze structures, machines, and control systems. In computer ...
Stephen Brown is a Swing Bridge Operator working in Beaufort, SC. He was the first African American to work for Beaufort County as a firefighter...a post he held for 35 years. After retirement, he was "too young to just sit still" so he got the job as a Swing Bridge Operator. Brown told us stories of growing up in Beaufort and, how as a child, he always wanted to work on the bridge. DID YOU LIKE THIS STORY? VISIT US ONLINE: http://www.palmettoscene.org FOLLOW US: http://www.twitter.com/palmettoscene
The null coalescing operator (called the Logical Defined-Or operator in Perl) is a binary operator that is part of the syntax for a basic conditional expression in several programming languages, including C#,Perl as of version 5.10,Swift, and PHP 7.0.0.
In contrast to the ternary conditional if operator used as x ? x : y
, but like the binary Elvis operator used as x ?: y
, the null coalescing operator is a binary operator and thus evaluates its operands at most once, which is significant if the evaluation of x
has side-effects.
In C#, the null coalescing operator is ??
. It is most often used to simplify null expressions as follows:
For example, if one wishes to implement some C# code to give a page a default title if none is present, one may use the following statement:
instead of the more verbose
or
The three forms are logically equivalent.
The operator can also be used multiple times in the same expression:
Once a non-null value is assigned to number, or it reaches the final value (which may or may not be null), the expression is completed.
Tapping to the bridge
To the world of Gods
The master of the wolfs of waves
Who loses the chains of Midgard
Goes to the great warriors
Ting of swords and biting arrows
Make the Viking glad with its song
Cry of rage and moan of death
Odin calls his sons to the abode of Gods
Heimdal raises the sting of steel snake
And greets the master of ting of wounds
A death cry of the black wolf
Is heard by warriors in the storm of swords
Heimdal raise his sword
And greets the lord of storms
A death cry of the black giant wolf
Is heard by warriors
Battle is waiting for
Brave Einherier
Great Northern mans will
Strike the shields