Grit: the power of passion and perseverance | Angela Lee Duckworth
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Leaving a highflying job in consulting, Angela Lee Duckworth took a job teaching math to seventh graders in a New York public school. She quickly realized that IQ wasn’t the only thing separating the successful students from those who struggled. Here, she explains her theory of \”grit\” as a predictor of success.
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What is IMAGE PERSISTENCE? What does IMAGE PERSISTENCE mean? IMAGE PERSISTENCE meaning
✪✪✪✪✪ http://www.theaudiopedia.com ✪✪✪✪✪
What is IMAGE PERSISTENCE? What does IMAGE PERSISTENCE mean? IMAGE PERSISTENCE meaning IMAGE PERSISTENCE definition IMAGE PERSISTENCE explanation.
Source: Wikipedia.org article, adapted under https://creativecommons.org/licenses/bysa/3.0/ license.
Image persistence, or image retention, is the LCD and plasma display equivalent of screen burn. Unlike screen burn, however, the effects are usually temporary. Plasma displays can also suffer from burnin.
Liquid crystals have a natural relaxed state. When a voltage is applied they rearrange themselves to block certain light waves. If left with the same voltage for an extended period of time (e.g. displaying a pointer or the Microsoft Windows Taskbar in one place), the liquid crystals can develop a tendency to stay in one position. This ever so slight tendency to stay arranged in one position can throw the requested color off by a slight degree, which causes the image to look like the traditional \”burnin\” on phosphor based displays. In fact, the root cause of LCD image persistence is the same as phosphor burnin, namely, nonuniform usage of the display’s pixels.
The cause of this tendency is unclear. It might be due to accumulation of ionic impurities inside the LCD, electric charge building up near the electrodes, parasitic capacitance, or \”a DC voltage component that occurs unavoidably in some display pixels owing to anisotropy in the dielectric constant of the liquid crystal\”.
Image persistence can usually be reversed by allowing the liquid crystals to return to their relaxed state. In other words, turning off an LCD for hours or days will relax the crystals and eliminate the image retention. For PC monitors, it is also ideal to rotate desktops, and hide away elements on the screen which normally would be displayed perpetually (like the taskbar in Microsoft Windows or the Dock in macOS). The usage of a screensaver that has a constantly changing image can help as well.
Another approach to removing LCD image persistence is to first create a solid white image and display the image as a screensaver covering the entire display area for an extended period of time.
Also, there is a software tool for preventing and automatic removing of the image persistence.
HTTP Connection | Persistent HTTP Connection | Non-Persistent HTTP Connection
HTTP Connection | Persistent HTTP Connection | NonPersistent HTTP Connection
In this video, I have explained HTTP Connection using animation. In HTTP connection two different types of connection: Persistent HTTP connection \u0026 NonPersistent HTTP Connection. In persistent http connection uses without pipelining and with pipelining method. All the topic explain using animation.
0:00 Introduction
0:15 Outline
0:51 Introduction of HTTP
1:53 Introduction of HTTP Connection
2:07 What is RTT? (Explain using animation)
2:33 What is HTTP Response Time?
3:23 NonPersistent HTTP connection
5:40 Introduction of Persistent HTTP connection
6:31 Persistent HTTP (Without Pipelining)
8:10 Persistent HTTP (With Pipelining)
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Principle of Application Layer
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Cookie explain using animation:
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Persistent HTTP vs Non Persistent HTTP:
https://youtu.be/8FuOereXcoc
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Molly Wright: How every child can thrive by five | TED
\”What if I was to tell you that a game of peekaboo could change the world?\” asks sevenyearold Molly Wright, one of the youngestever TED speakers. Breaking down the researchbacked ways parents and caregivers can support children’s healthy brain development, Wright highlights the benefits of play on lifelong learning, behavior and wellbeing, sharing effective strategies to help all kids thrive by the age of five. She’s joined onstage by oneyearold Ari and his dad, Amarjot, who help illustrate her big ideas about brain science. (This TED Talk was produced in collaboration with Minderoo Foundation as an educational tool for parents and caregivers around the world and is supported by UNICEF.)
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สอนเรื่อง Present Participle and Past Participle (สาระล้วนๆ) มีประโยชน์
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