TECH TIPS - Do's and Dont's

 The original article is mentioned at become a command line ninja - lifehacker  The command line can be quite powerful, but typing in long commands and file paths gets tedious pretty quickly. Here are some shortcuts that will have you running long, tedious, or complex commands with just a few keystrokes. Power users love the command line for its ability to perform complicated tasks with just a few keystrokes. But for beginners who don't know the shortcuts and type everything out longhand, it can seem like it takes forever (I know this because I'm just past beginner myself, and I still didn't know most of these shortcuts). These commands apply primarily to *NIX-based command lines, which, out of the box, are included on systems like OS X and Linux. To use them on Windows, install Cygwin . (We highly recommend ditching Windows' crappy command line for Cygwin .) ...

If you code a little, you know how handy an Integrated Development Environment (IE) can be. Java, C, Python, they all become a lot more accessible when the IDE software is checking the syntax for you, compiling in the background, or importing the libraries you need. On the other hand, if you are on Linux, you might also know how handy Vim can be when it comes to text editing. So naturally, you would like to get all the features of an IDE from Vim. In fact, there are quite a few ways to do so. One could think of c.vim which attempts to transform Vim into a C oriented IDE, or Eclim which merges Vim into Eclipse. However, I would like to propose you a more generalist approach using only plugins. You do not want to bloat your editor with too many panels or features. Instead, the plugin approach lets you choose what you put into your Vim. As a bonus, the result will not be language-specific, allowing you to code in anything. So here is my top 10 list of plugins w...

A new stable release of the free and open-source Audio Editor and Recorder, Audacity 2.1.0 , was announced a few days ago. The new release brings Real-Time Preview feature and lots of improvements and bug fixes. Here’s the release highlights: For a long time, we have wanted Real-Time Preview for effects. It seemed nearly unachievable without major restructuring. But with Audacity 2.1.0, we have it in LADSPA, VST, and Audio Unit (OS X) effects! Thanks to Leland Lucius for these great new capabilities! Much improved Noise Reduction effect replaces Noise Removal. Thanks to new contributor Paul Licameli! Lots of other improvements to effects, also thanks to Leland, including: VST: FXB preset banks, hosting multiple plugins All effects can now be used in Chains, and can be sorted on name, publisher, or class. Most Nyquist effects now have Preview button. Redesigned Meter Toolbars show a lot more information in smaller area. Thanks, Leland Lucius and James Crook! Spectral S...

1. How to convert from tex to PDF To PDF from tex select PDFLatex from Quick Build, (the default option will take a long time or hang during building process) 2. Bibtex problem – Question mark instead of number for reference To update you bibtex citations, select BibTex from Quick Build and compile, then select PDFLatex and compile twice to update the citation numbers in the PDF. Rebuilding it a few times replace the .aux and .bbl files that were made when you used before. Common citation mistake , putting spaces between comma seprated bibtex keys: \cite{zhao2003face,samal1992automatic,yang2002detecting} Don’t put spaces before the keys! 3. How to center cell contents of a LaTeX table whose columns have fixed widths? Use \usepackage{array} in the preamble them this: 1 \begin{tabular}{| >{\centering\arraybackslash}p{.5cm} | >{\centering\arraybackslash}p{8cm} |} note that “m” for fixed with column is provided by the...

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Table Formatting in Latex for Academic Paper Tables Special Thanks to Andy Roberts for writing this article In academic writing, tables are a common feature, often for summarising results from research. It is therefore a skill that needs mastering in order to produce good quality papers. However, if there is one area about Latex that I feel is the least intuitive, then I am afraid that this is it. Basic tables are not too taxing, but you will quickly notice that anything more advanced can take a fair bit of construction. So, we will start slowly and build up from there. The Tabular environment To begin, we shall first get familiar with some Latex terminology. An environment in Latex is a special declaration for formatting specific types of text. For example, in the bibliographies tutorial the abstract environment was introduced, so that the abstract of the paper could be formatted differently that the main body of text. All environ...