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PostgreSQL: insert from another table
I'm trying to insert data to a table from another table and the tables have only one column in common. The problem is, that the TABLE1 has columns that won't accept null values so I can't leave them empty and I can't get them from the TABLE2.
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Add column to SQL Server
I need to add a column to my SQL Server table. Is it possible to do so without losing the data, I already have?
5 Answers...
Why does pattern matching in Scala not work with variables?
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What you're looking for is a stable identifier. In Scala, these must either start with an uppercase letter, or be surrounded by backticks.
Both of these would be solutions to your problem:
def mMatch(s: String) = {
val target: String = "a"
s match {
case `target` => p...
Does a UNIQUE constraint automatically create an INDEX on the field(s)?
Should I define a separate index on the email column (for searching purposes), or is the index is "automatically" added along with UNIQ_EMAIL_USER constraint?
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tmux: How to join two tmux windows into one, as panes?
I have two tmux windows, with a single pane in each, and I would like to join these two panes together into a single window as a horizontal split panes. How could I do that?
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How to change a span to look like a pre with CSS?
... it possible to to change a <span> tag (or <div> ) to preformat its contents like a <pre> tag would using only CSS?
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Bash/sh - difference between && and ;
I normally use ; to combine more than one command in a line, but som>me m> people prefer && . Is there any difference? For example, cd ~; cd - and cd ~ && cd - seems to make the sam>me m> thing. What version is more portable, e.g. will be supported by a bash-subset like Android's shell ...
Set default CRAN mirror permanent in R
How can I set a specific CRAN mirror permanently in R?
1 Answer
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Is it okay to use now?
I'm working on a mobile phone web app and I have several text fields that could benefit from <input type="tel"/> . iPhones will adjust the keyboard for the user, but I'm worried about breaking backwards compatibility. What I'm hoping is that browsers/phone that support this can assist the use...
Incomplete type is not allowed: stringstream
Why does this line give the error Error: incomplete type is not allowed ?
3 Answers
3...