大约有 19,000 项符合查询结果（耗时：0.0306秒） [XML]
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
...
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...
dynamic_cast and static_cast in C++
I am quite confused with the dynamic_cast keyword in C++.
10 Answers
10
...
Get list of passed arguments in Windows batch script (.bat)
...
@MatheusRocha @echo %~n0.my_ext
– matt wilkie
Nov 17 '18 at 22:02
@mat...
How to format current time using a yyyyMMddHHmmss format?
...eekDay = "Mon"
stdDay = "2"
stdUnderDay = "_2"
stdZeroDay = "02"
stdHour = "15"
stdHour12 = "3"
stdZeroHour12 = "03"
stdMinute = "4"
stdZeroMinute = "04"
stdSecond = "5"
stdZeroSecond ...
What does the “@” symbol do in Powershell?
...stion--to provide the full answer, to wit:
Array sub-expression (see about_arrays)
Forces the value to be an array, even if a singleton or a null, e.g. $a = @(ps | where name -like 'foo')
Hash initializer (see about_hash_tables)
Initializes a hash table with key-value pairs, e.g.
$HashArguments...