大约有 40,000 项符合查询结果（耗时：0.0569秒） [XML]
What do querySelectorAll and getElementsBy* methods return?
...cified in the argument, then the method must return an empty
NodeList.
https://www.w3.org/TR/2008/WD-html5-20080610/dom.html#getelementsbyclassname
getElementById
The getElementById() method accesses the first element with the specified id.
https://developer.mozilla.org/en-US/docs/Web/API...
Vertically align text next to an image?
...n to img -->
<div>
<img style="vertical-align:middle" src="https://placehold.it/60x60">
<span style="">Works.</span>
</div>
Tested in FF3.
Now you can use flexbox for this type of layout.
.box {
display: flex;
align-items:center;
}
<...
How can I specify a local gem in my Gemfile?
...
You can reference gems with source: source: 'https://source.com', git repository (:github => 'git/url') and with local path :path => '.../path/gem_name'.
You can learn more about Gemfiles and how to use them in this article.
...
What is the recommended way to delete a large number of items from DynamoDB?
... updates to change or remove the expiration
attribute will be honored.
https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/TTL.html
https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/howitworks-ttl.html
...
How do I add tab completion to the Python shell?
...
I think django does something like https://docs.python.org/library/rlcompleter.html
If you want to have a really good interactive interpreter have a look at
IPython.
share
|...
django - why is the request.POST object immutable?
...
I found this in a comment on Stack Answer https://stackoverflow.com/a/2339963
And it must be immutable so that it can be built lazily. The copy forces getting all the POST data. Until the copy, it may not all be fetched. Further, for a multi-threaded WSGI server ...
Is there a way to do method overloading in TypeScript?
...od implementation.
There\s a few relevant discussions on codeplex. e.g.
https://typescript.codeplex.com/workitem/617
I still think TypeScript should generate all the if'ing and switching so we wouldn't need to do it.
sh...
How to trigger a phone call when clicking a link in a web page on mobile phone
...ry code, and hyphens can be included simply for human eyes.
MDN Web Docs
https://developer.mozilla.org/en-US/docs/Web/HTML/Element/a#Creating_a_phone_link
The HTML <a> element (or anchor element), along with its href attribute, creates a hyperlink to other web pages, files, locations wit...
Git pre-push hooks
...
Git got the pre-push hook in the 1.8.2 release.
Sample pre-push script: https://github.com/git/git/blob/87c86dd14abe8db7d00b0df5661ef8cf147a72a3/templates/hooks--pre-push.sample
1.8.2 release notes talking about the new pre-push hook: https://github.com/git/git/blob/master/Documentation/RelNotes...
html5 localStorage error with Safari: “QUOTA_EXCEEDED_ERR: DOM Exception 22: An attempt was made to
...n isLocalStorageNameSupported() to test that you can also set some value.
https://github.com/marcuswestin/store.js/issues/42
function isLocalStorageNameSupported()
{
var testKey = 'test', storage = window.sessionStorage;
try
{
storage.setItem(testKey, '1');
storage.re...