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Is there a command to undo git init?
...strator--hit the windows key, type 'cmd', right click 'command prompt' and select 'run as administrator) and try the same commands.
rd is an alternative form of the rmdir command. http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/rmdir.mspx?mfr=true
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Expand a random range from 1–5 to 1–7
...t a non-zero. That's what this code is doing: the i and j indexes randomly select a location on the dart board, and if we don't get a good result, we keep throwing darts.
Like Adam said, this can run forever in the worst case, but statistically the worst case never happens. :)
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Is there any difference between “!=” and “” in Oracle Sql?
... first-class type in SQL (which is different from PL/SQL). I. e. you can't SELECT 1 = 1 FROM dual like in some other systems. So booleans have their own set of operators valid only in logical contexts (WHERE or HAVING or similar clauses). NOT is the only boolean negation operator in Oracle's SQL (AF...
What is the IntelliJ shortcut to create a local variable?
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Yep! This is the Introduce Variable refactoring. By default, select some text, and then hit Ctrl + Alt + V (for Mac: ⌘+⌥+V). If the expression is incomplete or invalid, IntelliJ will still make a good guess about what you meant and try to fix it for you.
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What is the difference between active and passive FTP?
...part of this, the server also returns to the client the port number it has selected to listen on, so that the client knows how to connect to it.
Once the client knows that, it can then successfully create the data channel and continue.
More details are available in the RFC: https://www.ietf.org/rf...
SQL Server: Maximum character length of object names
...lowing script contained in the blog post before:
DECLARE @i NVARCHAR(800)
SELECT @i = REPLICATE('A', 116)
SELECT @i = 'CREATE TABLE #'+@i+'(i int)'
PRINT @i
EXEC(@i)
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XPath with multiple conditions
What XPath can I use to select any category with a name attribute specified and any child node author with the value specified.
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CodeIgniter activerecord, retrieve last insert id?
...ed like this. may be wrong. but working well for me
$this->db->select_max('{primary key}');
$result= $this->db->get('{table}')->row_array();
echo $result['{primary key}'];
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No Main() in WPF?
... in visual studio. Use the navigation bar > Method drop down list > select Main (greyed out). This takes you to App.g.i.cs.
– P.Brian.Mackey
Apr 6 '18 at 15:58
add a c...
Eclipse ctrl+right does nothing
...sing Ctrl + Right to move to the next word and Ctrl + Shift + Right to select the next word. But on eclipse nothing happens, the cursor stays in the same place.
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