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This particular tutorial is an introduction to computer science where students compose their first song with EarSketch. The units are divided into chapters. Each chapter has several sections, a summary, a quiz, and associated slides. The curriculum contains Python and JavaScript example code that can be pasted into the code editor.
There are also debugging utilities that map the transcompiled source code back to the original code; for example, the JavaScript Source Map standard [citation needed] allows mapping of the JavaScript code executed by a web browser back to the original source when the JavaScript code was, for example, minified or produced by a transcompiled-to ...
One important case of hard coding is when strings are placed directly into the file, which forces translators to edit the source code to translate a program. (There is a tool called gettext that permits strings to be left in files, but lets translators translate them without changing the source code; it effectively de-hard codes the strings.)
A snippet of JavaScript code with keywords highlighted in different colors. The syntax of JavaScript is the set of rules that define a correctly structured JavaScript program. The examples below make use of the log function of the console object present in most browsers for standard text output.
Being a form of code duplication, copy-and-paste programming has some intrinsic problems; such problems are exacerbated if the code doesn't preserve any semantic link between the source text and the copies. In this case, if changes are needed, time is wasted hunting for all the duplicate locations.
Componentization breaks code down into reusable semantic units that present clear, well-defined, simple-to-use interfaces. Extract class moves part of the code from an existing class into a new class. Extract method, to turn part of a larger method into a new method. By breaking down code in smaller pieces, it is more easily understandable.
reStructuredText (RST, ReST, or reST) is a file format for textual data used primarily in the Python programming language community for technical documentation.. It is part of the Docutils project of the Python Doc-SIG (Documentation Special Interest Group), aimed at creating a set of tools for Python similar to Javadoc for Java or Plain Old Documentation (POD) for Perl.
In the JSONP usage pattern, the URL request pointed to by the src attribute in the <script> element returns JSON data, with JavaScript code (usually a function call) wrapped around it. This "wrapped payload" is then interpreted by the browser. In this way, a function that is already defined in the JavaScript environment can manipulate the JSON ...