大约有 6,887 项符合查询结果（耗时：0.0337秒） [XML]
Accessing Object Memory Address
...ifferent types have different kinds of id, but the most general is just an index into a table of objects you've called id on, which is obviously not going to be a pointer. I'm not sure about IronPython, but I'd suspect it's more like Jython than like CPython in this regard. So, in most Python implem...
Django - limiting query results
...
I tried this and got "Negative indexing is not supported."
– bparker
Mar 10 '19 at 19:32
...
How to push new branch without history
... history totally disconnected from all the other branches and commits.
The index and the working tree are adjusted as if you had previously run "git checkout <start_point>". This allows you to start a new history that records a set of paths similar to <start_point> by easily running "git...
ASP.NET MVC partial views: input name prefixes
... // GET: /Person/
[AcceptVerbs(HttpVerbs.Get)]
public ActionResult Index()
{
return View();
}
[AcceptVerbs(HttpVerbs.Get)]
public ActionResult Create()
{
Person person = new Person();
person.FavoriteFoods.Add("Sushi");
return View(person);...
How do I merge my local uncommitted changes into another Git branch?
...ebasing may all be overkill. If you haven't added the changed files to the index, yet, then you may be able to just checkout the other branch.
git checkout branch2
This will work so long as no files that you are editing are different between branch1 and branch2. It will leave you on branch2 with ...
AngularJS: ng-repeat list is not updated when a model element is spliced from the model array
...
If you add a $scope.$apply(); right after $scope.pluginsDisplayed.splice(index,1); then it works.
I am not sure why this is happening, but basically when AngularJS doesn't know that the $scope has changed, it requires to call $apply manually. I am also new to AngularJS so cannot explain this bett...
emacs/elisp: What is the hash (pound, number sign, octothorp) symbol used for?
...-be-comprehensive list can be found at the top of the Emacs lisp reference index.
Edit: Or even more conveniently, from within Emacs itself:
M-x info RET (open the info browser)
d m elisp RET (open the elisp manual)
I # RET (list the entries for # in the index)
...
jQuery attr vs prop?
...1.6), we just had attr. To get to DOM properties such as nodeName, selectedIndex, or defaultValue you had to do something like:
var elem = $("#foo")[0];
if ( elem ) {
index = elem.selectedIndex;
}
That sucked, so prop was added:
index = $("#foo").prop("selectedIndex");
This was great, but annoyi...
How to rotate the background image in the container?
...e;
width: 200%;
height: 200%;
top: -50%;
left: -50%;
z-index: -1;
background: url(background.png) 0 0 repeat;
-webkit-transform: rotate(30deg);
-moz-transform: rotate(30deg);
-ms-transform: rotate(30deg);
-o-transform: rotate(30deg);
transform: rotate(30de...
Associative arrays in Shell scripts
...thing like this. What's the best way to "catch" the error where the array index/subscript doesn't exist? For example, what if I was taking the subscript as a command line option, and the user made a typo and entered "designatio"? I get a "bad array subscript" error but don't how to validate the i...