Korey Capozza
May 1, 2015; 28:83-91
Feature Articles

Earthquake: 2020-05-06 21:54HKT M6.7 [7.0S, 130.0E] in Tanimbar Islands Region, Indonesia http://openstreetmap.org/?mlat=-7&mlon=130.

Allow Matt Egan (and Shed7) to lull you into this week's pod as we tackle the big tech issues of the week. Staff Writer at Digital Arts Miriam Harris explains the latest HR and PR mess over at Uber. How long will consumers use a service when the company are clearly not treating its staff well? Then (16:30) Deputy Editor of Macworld UK David Price gets excited about Apple Park, the so-called 'spaceship campus' that has been under construction for years. May contain orchards. Finally (26:48) Senior Staff Writer at Tech Advisor Henry Burrell previews Mobile World Congress which gets underway on 26th February. Are any of the major handset launches worth your attention?  

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If a bulk-loading process fails when you use SAS with SAS/ACCESS Interface to Oracle, you will receive the warning: "WARNING: All or some rows were rejected/discarded.: The actual error is "SQL*Loader-2026: The load was aborted because SQL

When you run the Copy Files task in SAS Enterprise Guide and there is no connection to a SAS server, it fails with the following error: "ERROR: Target folder does not exist or cannot be accessed."

When you add one row to an Oracle table using DBIDIRECTEXEC, you see the following misleading trace message: "ORACLE: 4294967296 rows inserted/updated/deleted." You should see something similar to the following: "ORACLE: 1 rows inserte

Helen Macdonald and Carl Heneghan are back again talking about what's happened in the world of evidence this month. They start by talking about shoulders - what does the evidence say about treating subacromial pain, and why the potential for a subgroup effect shouldn't change our views about stop surgery (for now, more research needed). (16.00)...

This week the Trump administration has banned the sale of flavoured vapes in the USA. The reason for that is the sudden rash of cases of pulmonary disease, including deaths, linked to vaping. The mechanism by which vaping may be causing damage to the lungs is as yet unclear, and our understanding is hampered by the heterogeneous nature of the...

A class action lawsuit alleging that a Florida dental practice sent unsolicited text messages in violation of the Telephone Consumer Protection Act was filed in the U.S. District Court for the Southern District of Florida Jan. 6.

Democracy -- Australia -- History -- 21st century.

London : Macmillan, 1896.

Jena : G. Fischer, 1887.

Leipzig : Alfred Langkammer, 1894.

Berlin : A. Hirschwald, 1880.

Berlin : A. Hirschwald, 1875.

Primary season is now upon us. Here are three ideas for teaching in the wake of the Iowa caucus fallout.

Edinburgh, Scotland : ANSR, 1993.

Edinburgh, Scotland : ANSR, 1993.

We study the misclassification error for community detection in general heterogeneous stochastic block models (SBM) with noisy or partial label information. We establish a connection between the misclassification rate and the notion of minimum energy on the local neighborhood of the SBM. We develop an optimally weighted message passing algorithm to reconstruct labels for SBM based on the minimum energy flow and the eigenvectors of a certain Markov transition matrix. The general SBM considered in this paper allows for unequal-size communities, degree heterogeneity, and different connection probabilities among blocks. We focus on how to optimally weigh the message passing to improve misclassification.

Source: Brazilian Journal of Probability and Statistics, Volume 34, Number 2, 203--203.

Source: Brazilian Journal of Probability and Statistics, Volume 34, Number 1, 1--1.

M. W. McLean, M. P. Wand.

Source: Bayesian Analysis, Volume 14, Number 2, 371--398.

Abstract:
We build on recent work concerning message passing approaches to approximate fitting and inference for arbitrarily large regression models. The focus is on regression models where the response variable is modeled to have an elaborate distribution, which is loosely defined to mean a distribution that is more complicated than common distributions such as those in the Bernoulli, Poisson and Normal families. Examples of elaborate response families considered here are the Negative Binomial and $t$ families. Variational message passing is more challenging due to some of the conjugate exponential families being non-standard and numerical integration being needed. Nevertheless, a factor graph fragment approach means the requisite calculations only need to be done once for a particular elaborate response distribution family. Computer code can be compartmentalized, including that involving numerical integration. A major finding of this work is that the modularity of variational message passing extends to elaborate response regression models.

Dopaminergic neurons innervate extensive areas of the brain and release dopamine (DA) onto a wide range of target neurons. However, DA release is also precisely regulated. In Drosophila melanogaster brain explant preparations, DA is released specifically onto α3/α'3 compartments of mushroom body (MB) neurons that have been coincidentally activated by cholinergic and glutamatergic inputs. The mechanism for this precise release has been unclear. Here we found that coincidentally activated MB neurons generate carbon monoxide (CO), which functions as a retrograde signal evoking local DA release from presynaptic terminals. CO production depends on activity of heme oxygenase in postsynaptic MB neurons, and CO-evoked DA release requires Ca²⁺ efflux through ryanodine receptors in DA terminals. CO is only produced in MB areas receiving coincident activation, and removal of CO using scavengers blocks DA release. We propose that DA neurons use two distinct modes of transmission to produce global and local DA signaling.

SIGNIFICANCE STATEMENT Dopamine (DA) is needed for various higher brain functions, including memory formation. However, DA neurons form extensive synaptic connections, while memory formation requires highly specific and localized DA release. Here we identify a mechanism through which DA release from presynaptic terminals is controlled by postsynaptic activity. Postsynaptic neurons activated by cholinergic and glutamatergic inputs generate carbon monoxide, which acts as a retrograde messenger inducing presynaptic DA release. Released DA is required for memory-associated plasticity. Our work identifies a novel mechanism that restricts DA release to the specific postsynaptic sites that require DA during memory formation.

A new theory suggests the hot, harsh planet’s interior could have contained volatiles like water

Tensions leading to the split, announced 50 years ago today, had been bubbling under the band’s cheery surface for years

This is the first blog post regarding the SOLIDWORKS activation error message. I will briefly try to go through the four most common activation error messages when using a standalone license. I will in a later blog post cover the

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Working with SOLIDWORKS on an SNL server, you can sometimes experience an Activation error message. Often these messages are not the same as the activation error messages you recieve when performing standalone activation What is SNL? SNL is short for

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Veracruz, Mexico :: Logos Hope is welcomed to Mexico with fanfare and excitement as people get behind the endeavour of sharing knowledge, help and hope.