大约有 13,350 项符合查询结果（耗时：0.0320秒） [XML]
image.onload event and browser cache
...ownloading it again, like this:
var img = new Image();
img.src = "img.jpg?_="+(new Date().getTime());
img.onload = function () {
alert("image is loaded");
}
In this code every time adding current timestamp to the end of the image URL you make it unique and browser will download the image aga...
How to fix SSL certificate error when running Npm on Windows?
...ting certs
Set this environment variable to extend pre-defined certs:
NODE_EXTRA_CA_CERTS to "<path to certificate file>"
Full story
I've had to work with npm, pip, maven etc. behind a corporate firewall under Windows - it's not fun. I'll try and keep this platform agnostic/aware where poss...
Using querySelector with IDs that are numbers
...) + '"]');
});
return selector;
};
var myselector = ".dog #980sada_as div span#aside:hover div.apple#05crab:nth-of-type(2), .ginger #2_green_div, div.cupcake #darwin p#23434-346365-53453";
var clean_myselector = cleanSelector(myselector);
// print to show difference
console.log(myselector...
How does MongoDB sort records when no sort order is specified?
...teed to be that they are in the inserted order. They are not sorted by the _id field. Sometimes it can be look like it is sorted by the insertion order but it can change in another request. It is not reliable.
share
...
What are the options for storing hierarchical data in a relational database? [closed]
...st.
+-------------+----------------------+--------+-----+-----+
| category_id | name | parent | lft | rgt |
+-------------+----------------------+--------+-----+-----+
| 1 | ELECTRONICS | NULL | 1 | 20 |
| 2 | TELEVISIONS | 1 | 2 | ...
Yes/No message box using QMessageBox
...::question(nullptr,
qApp->translate("my_app", "Test"),
qApp->translate("my_app", "Are you sure you want to quit?"),
QMessageBox::Yes|QMessageBox::No)
!= QMessageBox::Yes)
// as...
How do you remove a Cookie in a Java Servlet
... seems to work consistently across all browsers.
– ug_
Oct 27 '13 at 9:29
5
I'm not sure you shou...
How to change the color of an svg element?
...org/Graphics/SVG/1.1/DTD/svg11.dtd">
<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
width="500px" height="500px" viewBox="0 0 500 500" enable-background="new 0 0 500 500" xml:space="preserve">
&l...
Sending a JSON to server and retrieving a JSON in return, without JQuery
.../json");
// build a PHP variable from JSON sent using POST method
$v = json_decode(stripslashes(file_get_contents("php://input")));
// build a PHP variable from JSON sent using GET method
$v = json_decode(stripslashes($_GET["data"]));
// encode the PHP variable to JSON and send it back on client-sid...
How do I edit an existing tag message in git?
...e spoofing the date and author:
> git tag -d <tag-name>
> [GIT_COMMITTER_DATE=<original-commit-date>] \
> [GIT_AUTHOR_NAME=<original-author-name>] \
> git tag <tag-name> [commit]
Whole story:
Building on Sungram's answer (originally proposed as an edit):
1. A...