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Foss : PERL - English

Outline: 1. Accessing element of a hash 2. Basic hash functions keys Returns keys of a hash values Returns values of a hash each Retrieve the..

Foss : PERL - English

Outline: 1. Simple function 2. Function with parameters 3. Function which return single value 4. Function which returns multiple values

Foss : PERL - English

Outline: Special Blocks 1. Begin This block executes at the compilation time once it is defined. Anything which needs to be included before execution of the rest of the code is wr..

Foss : PERL - English

Outline: Access Modifiers in PERL 1. private variable - my scope is in the block inside where it is declared 2. lexically scoped variables - local that means they get the tem..

Foss : PERL - English

Outline: Referencing: Create a reference by adding \ (backward slash) Demo of various examples Add, remove, access elements of array reference / hash reference in the script with example..

Foss : PERL - English

Outline: 1. Special variables have a predefined and special meaning in Perl. 2. These variables are denoted by usual variable indicator such as $, @, % along with punctuation chara..

Foss : PERL - English

Outline: File Handling 1. Open a File 2. Open a File in Read Mode 3. Open a File in Write Mode 4. Open a File in Append Mode 5. Close the FileHandle

Foss : PERL - English

Outline: Exception and error handling When an error occurs, exception and error handling helps to recover the program. Methods used in Perl: 1. warn() 2. die() 3. eval()

Foss : PERL - English

Outline: Including Files or modules in Perl program We can include the Perl modules or files by using the following methods. 1. do: It includes the source code from other files into t..

Foss : PERL - English

Outline: Sample Perl program We have included all the major topics we covered so far in this sample program. This program will give the output of various weather forecast reports of a..

Foss : PERL - English

Outline: Perl Module Library Comprehensive Perl Archive Network (CPAN) is the library of modules. 1. User can make use of the existing modules available in CPAN 2. New modules cre..

Foss : PERL - English

Outline: Downloading CPAN module 1. Linux OS: There are several ways to download. Type cpan and press Enter. This gives us cpan prompt. Type install module name. 2. Windows OS: W..

Foss : PERL - English

Outline: Perl and HTML 1. To create HTML pages, Perl provides CGI module which creates CGI script with require HTML tags. 2. There are different methods which CGI modules provide to a..

Foss : PhET Simulations for Biology - English

Outline: Introduction to PhET Simulations Open the PhET website in a web browser. About PhET simulations. Register and sign in on the PhET website. Access the PhET simulations online...

Foss : PhET Simulations for Biology - English

Outline: Color Vision About colours of visible light (VIBGYOR). How colour vision works. Types of cone cells. Different wavelength-based sensitivities. Optic nerves, tracts and chias..

Foss : PhET Simulations for Biology - English

Outline: Natural Selection Define mutations. About Natural selection simulation interface. Effect of Equator and Arctic environments on the survival of rabbits. Effect of selection F..

Foss : PhET Simulations for Biology - English

Outline: Radioactive Dating Game About Radioactive Dating Game simulation interface. Define stable and unstable nuclei. Define radioactive decay and half-life. Conversion of C-14 to N..

Foss : PhET Simulations for Biology - English

Outline: Membrane Channels About membrane channels. About membrane channels simulation interface. Types of channels present on the membrane. Movement of particles through the membrane..

Foss : PhET Simulations for Biology - English

Outline: Neuron About Neuron simulation interface. Components of axon. Movement of sodium and potassium ions across the membranes when the neuron is at rest. Movement of sodium and po..

Foss : PhET Simulations for Chemistry - English

Outline: Introduction to PhET Simulations Open the PhET website in a web browser. About PhET simulations. Register and sign in on the PhET website. Access the PhET simulations online...