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Margin on child element moves parent element
...lapse:
.parent {
padding-top: 1px;
margin-top: -1px;
}
Update by popular request:
The whole point of collapsing margins is handling textual content. For example:
h1, h2, p, ul {
margin-top: 1em;
margin-bottom: 1em;
}
<h1>Title!</h1>
<div class="text">
...
How do I prompt a user for confirmation in bash script? [duplicate]
...l or function but don't exit interactive shell
fi
However, as pointed out by Erich, under some circumstances such as a syntax error caused by the script being run in the wrong shell, the negated form could allow the script to continue to the "dangerous stuff". The failure mode should favor the safe...
How to link a folder with an existing Heroku app
...ect (thanks, Colonel Panic). You can name the Git remote anything you want by passing -r remote_name.
[Update]
As mentioned by Ben in the comments, the remote doesn't need to be named heroku for the gem commands to work. I checked the source, and it appears it works like this:
If you specify an ...
Java: when to use static methods
...'s inconceivable to call the method before any Car has been constructed.
(By the way, the converse isn't always true: you might sometimes have a method which involves two Car objects, and still want it to be static. E.g.:
Car theMoreEfficientOf( Car c1, Car c2 )
Although this could be converte...
Fit image into ImageView, keep aspect ratio and then resize ImageView to image dimensions?
... scale);
// Create a new bitmap and convert it to a format understood by the ImageView
Bitmap scaledBitmap = Bitmap.createBitmap(bitmap, 0, 0, width, height, matrix, true);
width = scaledBitmap.getWidth(); // re-use
height = scaledBitmap.getHeight(); // re-use
BitmapDrawable re...
Does every Javascript function have to return a value?
...to be notified that some function has finished its business, which is done by the function returning something. This is also why, instead of "finished", a function is said to "have returned".
A function that lacks an explicit return statement will return undefined, like a C(++) function that has no ...
When would you use .git/info/exclude instead of .gitignore to exclude files?
...file .git/info/excludes, when it should be .git/info/exclude, as confirmed by the documentation it links to.
– mwfearnley
Nov 16 '15 at 12:31
13
...
Why can't I make a vector of references?
...
Isn't it implcitly castable to the Type itself by returning the reference?
– WorldSEnder
Nov 13 '14 at 12:52
3
...
Percentage width in a RelativeLayout
...
The answer given above by LadaRaider works for me only when I set the width to 0px. android:layout_width="0px"
– Anhsirk Reddy
Jun 30 '11 at 21:47
...
Getting list of lists into pandas DataFrame
...
With approach explained by EdChum above, the values in the list are shown as rows. To show the values of lists as columns in DataFrame instead, simply use transpose() as following:
table = [[1 , 2], [3, 4]]
df = DataFrame(table)
df = df.transpose()...