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How do I vertically align something inside a span tag?
...ive web application. As a base I use the approach suggested by Eric Nickus and Felipe Tadeo.
If you want to achieve:
and this:
.container {
background: url( "https://i.imgur.com/tAlPtC4.jpg" ) no-repeat;
display: inline-block;
background-size: 40px 40px; /* image's size */...
Public Fields versus Automatic Properties
We're often told we should protect encapsulation by making getter and setter methods (properties in C#) for class fields, instead of exposing the fields to the outside world.
...
simulate background-size:cover on or
...r a while, but I came across a great solution that doesn't use any script, and can achieve a perfect cover simulation on video with 5 lines of CSS (9 if you count selectors and brackets). This has 0 edge-cases in which it doesn't work perfectly, short of CSS3-compatibility.
You can see an example h...
Adjusting and image Size to fit a div (bootstrap)
...ithin a specific size div. Unfortunately, the image isn't conforming to it and is instead proportionally shrinking to a size that isn't big enough. I'm not sure what the best way is to go about getting the image to fit inside it is.
...
Can media queries resize based on a div element instead of the screen?
...he screen size as the div is just used like a widget within the webpage, and its size can vary.
11 Answers
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How do negative margins in CSS work and why is (margin-top:-5 != margin-bottom:5)?
...
Negative margins are valid in css and understanding their (compliant) behaviour is mainly based on the box model and margin collapsing. While certain scenarios are more complex, a lot of common mistakes can be avoided after studying the spec.
For instance, r...
“You have mail” message in terminal, os X [closed]
...ably it is some message from your system.
Type in terminal:
man mail
, and see how can you get this message from your system.
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How to append rows to an R data frame
...rs of the type you want for each column, insert values into those vectors, and then, at the end, create your data.frame.
Continuing with Julian's f3 (a preallocated data.frame) as the fastest option so far, defined as:
# pre-allocate space
f3 <- function(n){
df <- data.frame(x = numeric(n)...
Python unittest - opposite of assertRaises?
...r test must exit with a failure condition, not an error one. On the other hand, if in running the same code you would raise a KeyError, that would be an error, not a failure. In python - differently than some other languages - Exceptions are routinely used for control flow, this is why we have the e...
Can't stop rails server
I am new to rails and I am using an ubuntu machine and the rubymine IDE. The problem is that I am unable to stop the rails server. I tried to stop the server by killing the rails process. But, when I run pgrep -l rails , no such process is found. So, I am only able to kill ruby processes, but, the ...