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  2. Gain (antenna) - Wikipedia

    en.wikipedia.org/wiki/Gain_(antenna)

    For instance, the above antenna with a gain G = 5 would have a gain with respect to a dipole of 5/1.64 ≈ 3.05, or in decibels one would call this 10 log(3.05) ≈ 4.84 dBd. In general: Both dBi and dBd are in common use.

  3. Comparison of database administration tools - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_database...

    Some - can only reverse engineer the entire database at once and drops any user modifications to the diagram (can't "refresh" the diagram to match the database) Forward engineering - the ability to update the database schema with changes made to its entities and relationships via the ER diagram visual designer Yes - can update user-selected ...

  4. Comparison of integrated development environments - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_integrated...

    Microsoft Visual Studio (formerly Python Tools for Visual Studio [53]) Microsoft 16.9 2021-03-02 Windows: C++ and C#: Windows Forms and WPF, through IronPython: Python tools under Apache License 2.0: Yes Yes Yes No Un­known Un­known Un­known Yes [54] Un­known Un­known Yes Basic refactoring Yes Yes MonoDevelop: Novell and the Mono community ...

  5. Data-driven testing - Wikipedia

    en.wikipedia.org/wiki/Data-driven_testing

    Each test begins with a copy of the "before" image reference database. The "user interactions" are replayed through the "new" GUI version and result in the "post test" database. The reference "post test" database is compared to the "post test" database, using a tool. [3] Differences reveal probable regression. Navigation through the program ...

  6. DBeaver - Wikipedia

    en.wikipedia.org/wiki/DBeaver

    In the same year, the official web site was founded and the community support forum (now moved to GitHub) was created. [5] In 2012 an Eclipse plugin version was released - since then DBeaver has become one of the most popular database extensions for Eclipse (top 50-60 among all Eclipse extensions).

  7. Database testing - Wikipedia

    en.wikipedia.org/wiki/Database_testing

    The design of forms for automated database testing, form front-end and back-end, is helpful to database maintenance workers. Data load testing: For data load testing, knowledge about source database and destination database is required. Workers check the compatibility between source database and destination database using the DTS package.

  8. Directivity - Wikipedia

    en.wikipedia.org/wiki/Directivity

    The actual result is 34.6380 dBi, just shy of the ideal 35.0745 dBi we expected. [7] Why the difference from the ideal? If the spacing in the x and y dimensions is λ {\displaystyle \lambda } , then the spacing along the diagonals is λ 2 {\displaystyle \lambda {\sqrt {2}}} , thus creating tiny regions in the overall array where photons are ...

  9. pytest - Wikipedia

    en.wikipedia.org/wiki/Pytest

    In late 2004, the std project was renamed to py, std.utest became py.test, and the py library was separated from PyPy. In November 2010, pytest 2.0.0 was released as a package separate from py. It was still called py.test until August 2016, but following the release of pytest 3.0.0 the recommended command line entry point became pytest. [3]