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vim, switching between files rapidly using vanilla Vim (no plugins)
...R>
or:
gb
(quickly scanning the list)
foo<tab><CR>
The idea comes from this image taken from Bairui's collection of Vim infographics:
Vim also has <C-^> (or <C-6> on some keyboards)—the normal mode equivalent of :b#—to jump between the current buffer and the pr...
Suppress command line output
...scriptor 1, and stderr is file descriptor 2 by convention. (0 is stdin, incidentally.) The 2>&1 copies output file descriptor 2 from the new value of 1, which was just redirected to the null device.
This syntax is (loosely) borrowed from many Unix shells, but you do have to be careful becaus...
How to open every file in a folder?
...uld then open those one by one within the loop.
– David R
Aug 12 '16 at 6:35
To be a true solution this answer should ...
image.onload event and browser cache
...oad = function () {
alert("image is loaded");
}
img.src = "img.jpg";
Fiddle - tested on latest Firefox and Chrome releases.
You can also use the answer in this post, which I adapted for a single dynamically generated image:
var img = new Image();
// 'load' event
$(img).on('load', function() {...
Using Core Data, iCloud and CloudKit for syncing and backup and how it works together
...database. It is going to be iOS 8 and up so I am able to use CloudKit. I did some research and still not clear on how Core Data, iCloud and CloudKit work together.
...
What does the arrow operator, '->', do in Java?
...I came across the arrow operator, what exactly does it do? I thought Java did not have an arrow operator.
5 Answers
...
How do I use the new computeIfAbsent function?
...til.concurrent.ConcurrentHashMap;
public class Test {
public static void main(String[] s) {
Map<String, Boolean> whoLetDogsOut = new ConcurrentHashMap<>();
whoLetDogsOut.computeIfAbsent("snoop", k -> f(k));
whoLetDogsOut.computeIfAbsent("snoop", k -> f(...
C++ Exceptions questions on rethrow of original exception
...g the state of the original exception object (which you can think of as residing in a magical memory location which will stay valid during the subsequent unwinding -- 0x98e7058 in the example below). However,
In the first case, since you rethrow with throw; (which, unlike throw err;, preserves th...
MySQL 'create schema' and 'create database' - Is there any difference
... of MySQL 5.0.2.
this all goes back to an ANSI standard for SQL in the mid-80s.
That standard had a "CREATE SCHEMA" command, and it served to introduce
multiple name spaces for table and view names. All tables and views were
created within a "schema". I do not know whether that version defined...
How is “int* ptr = int()” value initialization not illegal?
...
int() is a constant expression with a value of 0, so it's a valid way of producing a null pointer constant. Ultimately, it's just a slightly different way of saying int *ptr = NULL;
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