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In the shell, what does “ 2>&1 ” mean?
...inal! Everything that gets written to stderr still gets printed out to the screen! So be very, very careful with the order of redirects!
Also note that in Bash, writing
$ command &>file
is exactly the same as:
$ command >&file
...
What is scaffolding? Is it a term for a particular platform?
...base, and the technology creates basic CRUD (create, read, update, delete) screens.
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Styling text input caret
...oint of the article is:
We will have a plain textarea somewhere in the screen out of the view
of the viewer and when the user clicks on our "fake terminal" we will
focus into the textarea and when the user starts typing we will simply
append the data typed into the textarea to our "termina...
Position Absolute + Scrolling
...
When #data becomes longer tha the sceen, #mess keeps its position on the screen, while #data scrolls under it.
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What is a Windows Handle?
...APIs.
So for instance, if you want to create a Window, and show it on the screen you could do the following:
// Create the window
HWND hwnd = CreateWindow(...);
if (!hwnd)
return; // hwnd not created
// Show the window.
ShowWindow(hwnd, SW_SHOW);
In the above example HWND means "a handle to...
How to expand/collapse a diff sections in Vimdiff?
...es on practically every other line
:set diffopt+=icase
this updates the screen dynamically & you can just as easily switch it off again
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How using try catch for exception handling is best practice
...have generic ways of doing case 3. For instance ASP.Net has a yellow error screen that dumps the exception details, but that can be replaced with a more generic message in the production environment. Following those is best practice because it saves you a lot of code, but also because error logging ...
How to scale down a range of numbers with a known min and max value
... signs to your target range. This is useful since the y axis on a computer screen goes top down so large values have a small y.
public class Rescale {
private final double range0,range1,domain0,domain1;
public Rescale(double domain0, double domain1, double range0, double range1) {
...
Can someone explain __all__ in Python?
I have been using Python more and more, and I keep seeing the variable __all__ set in different __init__.py files. Can someone explain what this does?
...
Fill remaining vertical space with CSS using display:flex
...ooter: fixed height in px
</footer>
</section>
Full screen version
section {
display: flex;
flex-flow: column;
height: 100vh;
}
header {
background: tomato;
/* no flex rules, it will grow */
}
div {
flex: 1;
/* 1 and it will fill whole space ...