为OSX和Linux的TERMINAL增加时间分割线

Add a Handy Separator Between Commands in Your Terminal on Mac OS X and Linux 为终端的命令行之间添加时间线,增加可读性,效果如下。

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Last login: Tue Mar 17 13:18:30 on ttys000
----------------------------------------------------------------------- 13:32:37
zzx@zzxdesk:~$ pwd
/Users/zzx
----------------------------------------------------------------------- 13:38:31
zzx@zzxdesk:~$ cd Desktop/
----------------------------------------------------------------------- 13:38:40
zzx@zzxdesk:~/Desktop$ pwd
/Users/zzx/Desktop
----------------------------------------------------------------------- 13:38:42
zzx@zzxdesk:~/Desktop$

Xephyr cannot open host display. Is DISPLAY set?

After Mac update to OS X Yosemite Version 10.10, I can’t run Xephyr. Error occurs Xephyr cannot open host display. Is DISPLAY set I have tried to fix it by “export DISPLAY=:1”, or something else. However, no approach to fix it. I tried to update X11 before giving up. Ah, it worked! I remember downgrading X11 also solved another problem several monthes ago. So update or degrade your X11 might be a way to solve your problem.

An Explosion Of Bioinformatics Careers (reprint)

Big data is everywhere, and its influence and practical omnipresence across multiple industries will just continue to grow. For life scientists with expertise and an interest in bioinformatics, computer science, statistics, and related skill sets, the job outlook couldn’t be rosier. Big pharma, biotech, and software companies are clamoring to hire professionals with experience in bioinformatics and the identification, compilation, analysis, and visualization of huge amounts of biological and health care information. With the rapid development of new tools to make sense of life science research and outcomes, spurred by innovative research in bioinformatics itself, scientists who are entranced by data can pursue more career options than ever before. By Alaina G. Levine

Today’s bioinformaticists are in for a real treat. With a seemingly endless stream of biological data being generated across sectors, there is high demand for talented, experienced professionals at the crossroads of biology, statistics, and computer science. Scientists who can analyze large amounts of information and present it in a clear manner to decisionmakers are finding the sky is the limit in terms of jobs and career pathways, especially in the big pharma and biotech sectors.

“It’s a fun place to be and an exciting time to be in big data,” remarks Sriram Mohan, professor of computer and software engineering at Rose-Hulman Institute of Technology, who is spending his sabbatical developing bioinformatics software for Avalon Consulting, a data management firm.

And what an immense amount of data it is, due in part to a paradigm shift in the field, from data generation to data analysis, says W. Jim Zheng, associate professor in the School of Biomedical Informatics at The University of Texas Health Science Center at Houston. Now, with so much data being produced because of easier and more cost-effective tools, there is an even greater need for specialists who can make sense of the mountains of information in such a way that is meaningful for scientists and clinicians, and ultimately beneficial to customers and patients.

The increase in job opportunities is also being driven by a change in how bioinformatics is perceived in industry and academia. Previously, “scientists and companies used to look at bioinformatics as a tool,” says Wim Van Criekinge, a professor of bioinformatics at Ghent University in Belgium and chief scientific officer at MDxHealth, a company developing epigenetics-based cancer diagnostics. Bioinformaticists would be called upon to answer a question about data; their role was to run an algorithm on a database that provided that answer. “But the subject has evolved from a service, like histology, to its own research arena…. Bioinformaticists are now the motor of the innovation,” he adds. They not only answer the data inquiries, but also, more importantly, determine what questions need to be asked in the first place.

As a result, “there are many opportunities for scientists to pursue a bioinformatics/big data career in the biotech/big pharma industry at the moment,” notes Jared Kaleck, senior director of computational chemistry/biology and formulation development at executive search firm Klein Hersh International.

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