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What's is the difference between train, validation and test set, in neural networks?

...he validation data actually affects the weight configuration indirectly to select the weight configuration. This is where the Test set comes in. This set of data is never used in the training process. Once a model is selected based on the validation set, the test set data is applied on the network m...
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Sublime Text 2: Trim trailing white space on demand

...way that uses no plugins or settings and works in most situations. Multi-Select and move cursor to the end of every line Hold CTRL-Shift, Press Left, Right The spaces and tabs at the end of the lines should now be selected. Press Delete or Backspace Note - Special characters such as ( and + may ...
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Schema for a multilanguage database

...t PostGreSQL with hstore), you can't pass a parameter language, and say: SELECT ['DESCRIPTION_' + @in_language] FROM T_Products So you have to do this: SELECT Product_UID , CASE @in_language WHEN 'DE' THEN DESCRIPTION_DE WHEN 'SP' THEN DESCRIPTION_SP EL...
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Sqlite: CURRENT_TIMESTAMP is in GMT, not the timezone of the machine

...a unix timestamp 1092941466, and compensate for your local timezone. SELECT datetime(1092941466, 'unixepoch', 'localtime'); That didn't look like it fit my needs, so I tried changing the "datetime" function around a bit, and wound up with this: select datetime(timestamp, 'localtime') That...
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Extracting specific columns in numpy array

... I assume you wanted columns 1 and 9? To select multiple columns at once, use X = data[:, [1, 9]] To select one at a time, use x, y = data[:, 1], data[:, 9] With names: data[:, ['Column Name1','Column Name2']] You can get the names from data.dtype.names… ...
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Postgres: SQL to list table foreign keys

... You can do this via the information_schema tables. For example: SELECT tc.table_schema, tc.constraint_name, tc.table_name, kcu.column_name, ccu.table_schema AS foreign_table_schema, ccu.table_name AS foreign_table_name, ccu.column_name AS foreign_column_nam...
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Making macOS Installer Packages which are Developer ID ready

...gbuild persisting obsolescence Known Issues and Workarounds Destination Select Pane The user is presented with the destination select option with only a single choice - "Install for all users of this computer". The option appears visually selected, but the user needs to click on it in order to p...
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Return empty cell from formula in Excel

...a by changing SomeRange to Range("MyRange"). To set a name for your cells, select the cells, click Define Name on the Formulas tab of the ribbon, and enter "MyRange" in the Name field. (And of course you could replace MyRange with anything you want.) – devuxer ...
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Checkbox for nullable boolean

...ents your null, whatever the semantics of null means. You could use a <select><option> drop down list to save real estate, but the user has to click twice and the choices aren't nearly as instantaneously clear. 1 0 null True False Not Set Yes No Undecided Male Fema...
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Selecting and manipulating CSS pseudo-elements such as ::before and ::after using jQuery

Is there any way to select/manipulate CSS pseudo-elements such as ::before and ::after (and the old version with one semi-colon) using jQuery? ...