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How to load images dynamically (or lazily) when users scrolls them into view
...t is visible.
jQuery Sonar
Dave talks about Sonar in these slides. Sonar starts on slide 46, while the overall "load on demand" discussion starts on slide 33.
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How can I extract a predetermined range of lines from a text file on Unix?
...he data for a single database) and place it in a new file. I know both the start and end line numbers of the data that I want.
...
How to overlay one div over another div
...Position the .navi element to span all columns
*/
.navi {
grid-column-start: 1;
grid-column-end: span var(--columns);
grid-row-start: 1;
grid-row-end: 2;
/*
* Styling only, the below can be changed or removed
* depending on your use case
*/
background-color: #eaeae...
What is an Android PendingIntent?
...have application B which uses a lot less permissions. If application A can start something in application B via a PendingIntent (allowing all permissions from A to be on B temporarily), can't B do whatever it can behind the scenes with that permission? For instance, A might have the permission to re...
Create array of regex matches
...]"), "abracadabra")) {
System.out.println(match.group() + " at " + match.start());
}
yields
a at 0
b at 1
a at 3
c at 4
a at 5
a at 7
b at 8
a at 10
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What happens to a declared, uninitialized variable in C? Does it have a value?
...ardless of what standards say, in real life, each stack page actually does start off as zero, but when your program looks at any auto storage class values, it sees whatever was left behind by your own program when it last used those stack addresses. If you allocate a lot of auto arrays you will see ...
Difference between application/x-javascript and text/javascript content types
...bsolete and application/x-javascript was experimental). Worse, it left the start of the answer incoherent, with a block saying text/javascript just hanging out irrelevantly at the top of the answer for no obvious reason.
– Mark Amery
Aug 4 '15 at 13:52
...
Breadth First Vs Depth First
...pth-first search algorithm acts as if it wants to get as far away
from the starting point as quickly as possible.
It generally uses a Stack to remember where it should go when it reaches a dead end.
Rules to follow: Push first vertex A on to the Stack
If possible, visit an adjacent unvisited verte...
Debugging sqlite database on the device
...
I'll repeat myself from another answer:
Starting from API level 8 (Android 2.2), if you build the application as debuggable, you can use the shell run-as command to run a command or executable as a specific user/application or just switch to the UID of your applica...
Drawing an SVG file on a HTML5 canvas
...rializeToString(svg);
// make it base64
var svg64 = btoa(xml);
var b64Start = 'data:image/svg+xml;base64,';
// prepend a "header"
var image64 = b64Start + svg64;
// set it as the source of the img element
img.onload = function() {
// draw the image onto the canvas
canvas.getCo...