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Oracle: If Table Exists
I'm writing some migration scripts for an Oracle database, and was hoping Oracle had something similar to MySQL's IF EXISTS construct.
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Cannot install packages using node package manager in Ubuntu
NodeJS interpreter name( node ) on Ubuntu has been renamed to nodejs because of a name conflict with another package. Here's what the readme. Debian says:
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What's a good way to extend Error in JavaScript?
I want to throw some things in my JS code and I want them to be instanceof Error, but I also want to have them be something else.
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Access Denied for User 'root'@'localhost' (using password: YES) - No Privileges?
...rprise, I wasn't. After I was, I got this prntscr.com/1imcnj - The first time I did it on their own lines (from paste) then I put it all on one line. I'm sorry this is just so confusing for me, not the sql expert per se.
– Chase
Jul 31 '13 at 18:34
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How do I force “git pull” to overwrite local files?
..., you have two options:
git reset --hard origin/master
OR If you are on some other branch:
git reset --hard origin/<branch_name>
Explanation:
git fetch downloads the latest from remote without trying to merge or rebase anything.
Then the git reset resets the master branch to what you just fe...
How can a Metro app in Windows 8 communicate with a backend desktop app on the same machine?
In a situation where you have the UI frontend built using the new Metro style of apps for windows 8, and would like it to communicate with a .NET application running on the desktop on the same local machine (e.g. a windows service app).
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Style child element when hover on parent
How to change the style of child element when there is hover on parent element. I would prefer a CSS solution for this if possible. Is there any solution possible through :hover CSS selectors. Actually I need to change color of options bar inside a panel when there is an hover on the panel.
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if a ngSrc path resolves to a 404, is there a way to fallback to a default?
...p.directive('errSrc', function() {
return {
link: function(scope, element, attrs) {
element.bind('error', function() {
if (attrs.src != attrs.errSrc) {
attrs.$set('src', attrs.errSrc);
}
});
}
}
});
If you want to display the error image when ngSrc...
When to call activity context OR application context?
...() and only when you need to use getApplicationContext().
To be blunt, "some programmers" use getApplicationContext() (or getBaseContext(), to a lesser extent) because their Java experience is limited. They implement an inner class (e.g., an OnClickListener for a Button in an Activity) and need a C...
iOS 7 - How to display a date picker in place in a table view?
...r to edit those values.
As a delegate to this table, the sample uses the method "didSelectRowAtIndexPath" to open the UIDatePicker control.
For iOS 6.x and earlier, UIViewAnimation is used for sliding the UIDatePicker up on-screen and down off-screen. For iOS 7.x, the UIDatePicker is added in...