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Lost my schema.rb! Can it be regenerated?

... answered Oct 17 '16 at 2:18 R.ChaR.Cha 63566 silver badges1212 bronze badges ...
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Is there a way to make text unselectable on an HTML page? [duplicate]

...an HTML UI with some text elements, such as tab names, which look bad when selected. Unfortunately, it's very easy for a user to double-click a tab name, which selects it by default in many browsers. ...
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Select all contents of textbox when it receives focus (Vanilla JS or jQuery)

What is a Vanilla JS or jQuery solution that will select all of the contents of a textbox when the textbox receives focus? ...
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How to Select Every Row Where Column Value is NOT Distinct

I need to run a select statement that returns all rows where the value of a column is not distinct (e.g. EmailAddress). 7 A...
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Meaning of $? (dollar question mark) in shell scripts

...k() == 0) { /* Call false. */ execl("./false", "./false", (char *)NULL); } int status; /* Wait for a child to finish. */ wait(&status); /* Status encodes multiple fields, * we need WEXITSTATUS to get the exit status: * http://stackoverflow.com/questi...
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Vim search and replace selected text

Let's say we have a text, and I enter visual mode and select some text. How do I quickly do a search for the highlighted text and replace it with something else? ...
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Extract filename and extension in Bash

... # Strip shortest match of . plus at least one non-dot char from end ext="${filename:${#base} + 1}" # Substring from len of base thru end if [[ -z "$base" && -n "$ext" ]]; then # If we have an extension and no base, it's really the base ...
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Check if table exists without using “select from”

Is there a way to check if a table exists without selecting and checking values from it? 17 Answers ...
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SQLite with encryption/password protection

...ing str) { byte[] bytes = new byte[str.Length * sizeof(char)]; bytes = System.Text.Encoding.Default.GetBytes(str); return bytes; } } } Optionally, you can remove conn.SetPassword(passwordBytes);, and replace it with conn.ChangePassword("passw...
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Return a value if no rows are found in Microsoft tSQL

... SELECT CASE WHEN COUNT(1) > 0 THEN 1 ELSE 0 END AS [Value] FROM Sites S WHERE S.Id = @SiteId and S.Status = 1 AND (S.WebUserId = @WebUserId OR S.AllowUploads = 1) ...