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Copy values from one column to another in the same table
... set str = '';
WHILE x < 5 DO
set str = (select source_col from emp where id=x);
update emp set target_col =str where id=x;
SET x = x + 1;
END WHILE;
END$$
DELIMITER ;
...
Recursive file search using PowerShell
...-ChildItem -Recurse -Path path/with/wildc*rds/ -Include file.*).fullname | Select -First 1
Now for the important stuff:
To search only for files/directories do not use -File or -Directory (see below why). Instead use this for files:
Get-ChildItem -Recurse -Path ./path*/ -Include name* | where {$...
Import Error: No module named numpy
...Windows key. Type "cmd". Right-click on the
suggested "Command Prompt" and select "Run as Administrator)
Navigate to the Python installation directory's Scripts folder using the "cd" (change directory) command. e.g. "cd C:\Program Files (x86)\PythonXX\Scripts"
This might be: C:\Users\\AppData\Loca...
How to terminate script execution when debugging in Google Chrome?
...ia Shift+ESC or through
Menu → More Tools → Task Manager
You can select your page task and end it by pressing "End Process" button.
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Unable to Cast from Parent Class to Child Class
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I think the examples are a bit extreme and selective and perhaps the cast is a shortcut for a copy constructor. For example, being building a ferrari with the properties defined in base object car. Or, start with a human and create a Boy. Casting and direct use? A...
How to solve java.lang.NoClassDefFoundError?
...cktrace will too show NoClassDefFoundError for that case: archive.is/YPbYI#selection-2107.0-2115.13
– Pacerier
Dec 10 '17 at 7:17
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Gradients in Internet Explorer 9
... @Robotsushi although it doesn't answer the question for IE9 (the selected answer does, which is probably why it was chosen), this question is on the first page of Google results for "internet explorer css gradients," so there isn't any harm in having something useful here now that IE10 is ...
How to detect user inactivity in Android
User start my app and logs in.
Selects Session Timeout to be 5 mins.
Does some operations on the app. (all in foreground)
Now User bring Myapp to background and starts some other app.
----> Count down timer starts and logs out user after 5 mins
OR user turns the screen OFF.
----> Cou...
How do I automatically scroll to the bottom of a multiline text box?
...nged += (sender, e) =>
{
if (textBox.Visible)
{
textBox.SelectionStart = textBox.TextLength;
textBox.ScrollToCaret();
}
};
Internally, AppendText does something like this:
textBox.Select(textBox.TextLength + 1, 0);
textBox.SelectedText = textToAppend;
But there ...
Reverting to a specific commit based on commit id with Git? [duplicate]
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@bwawok: But it's faster to select and middle-click-paste than to type even an abbreviated SHA1!
– Cascabel
Sep 3 '10 at 20:19
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