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MySQL ON vs USING?
...hy:
ON is the more general of the two. One can join tables ON a column, a set of columns and even a condition. For example:
SELECT * FROM world.City JOIN world.Country ON (City.CountryCode = Country.Code) WHERE ...
USING is useful when both tables share a column of the exact same name on which t...
How can I remove an entry in global configuration with git config?
... what you mean by "undo" the change. You can remove the core.excludesfile setting like this:
git config --global --unset core.excludesfile
And of course you can simply edit the config file:
git config --global --edit
...and then remove the setting by hand.
...
Changing my CALayer's anchorPoint moves the view
...nchorPoint is (0.5, 0.5), which lies at the center of the layer. When you set the position of the layer, you are then setting the location of the center of the layer in its superlayer's coordinate system.
Because the position is relative to the anchorPoint of the layer, changing that anchorPoint w...
What is the { get; set; } syntax in C#?
...me;
public string Name
{
get
{
return this.name;
}
set
{
this.name = value;
}
}
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android - How to set the Rating bar is non clickable and touchable in HTC mobile
My application have rating bars. I want to set the Rating bar is non-click able and no-touchable. For this i added the following code in xml file of each rating bar.
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Set scroll position
I'm trying to set the scroll position on a page so the scroller is scrolled all the way to the top.
4 Answers
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Why there can be only one TIMESTAMP column with CURRENT_TIMESTAMP in DEFAULT clause?
... has "default current_timestamp on update current_timestamp" automatically set (so it should be named updated_at). You just have to set created_at manually at insert time.
– Gismo Ranas
Dec 7 '15 at 11:38
...
Show current key setting?
...output like:
mapleader ,
It may be undefined if not previously set, defaulting instead to a backslash \
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How to remove an item for a OR'd enum?
...h some value (let's call that value 'X') and the complement of one or more set bits (let's call those bits Q and their complement ~Q), the statement X & ~Q clears any bits that were set in Q from X and returns the result.
So to remove or clear the BLUE bits, you use the following statement:
co...
Setting CSS pseudo-class rules from JavaScript
...e are valid use cases for manipulating stylesheets in JS. Reasons being:
Setting styles that must be calculated or retrieved - for example setting the user's preferred font-size from a cookie.
Setting behavioural (not aesthetic) styles, especially for UI widget/plugin developers. Tabs, carousels, ...