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Hidden features of Eclipse [closed]
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For the beginners who are using mac, Use COMMAND button instead of CTRL for all the commands listed here. I took time to figure this out. It might help someone.
– 500865
Oct 23 '11 at 3:27
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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.
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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.
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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...
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)?
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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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Is a `=default` move constructor equivalent to a member-wise move constructor?
... same declared function type (except for possibly differing ref-qualifiers and except that in the case of a copy constructor or copy assignment operator, the parameter type may be “reference to non-const T”, where T is the name of the member function’s class) as if it had been implicitly decla...
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)...