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创建自定义 TinyWebDB 服务 · App Inventor 2 中文网
... the service by opening a browser and entering “localhost:8080” as the URL. You’ll see the web page interface to your web service. The end-goal of this service is to communicate with a mobile app created with App Inventor. But the service provides a web page interface to the service to help pr...
Capistrano error tar: This does not look like a tar archive
...to repo/, and run git remote -v) -- you may just need to update your :repo_url in deploy.rb (and delete the repo/ dir).
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How to change the style of alert box?
...t:100%;
top:0px;
left:0px;
z-index:10000;
background-image:url(tp.png); /* required by MSIE to prevent actions on lower z-index elements */
}
#alertBox {
position:relative;
width:300px;
min-height:100px;
margin-top:50px;
border:1px solid #666;
background-colo...
How do you reverse a string in place in JavaScript?
...Many use-cases do not require UTF-16 support (simple example; working with URL's and URL components/parameters). A solution is not "wrong" simply because it doesn't handle a non-required scenario. Notably, the top-voted answer explicitly declares that it only works with ASCII characters and thus i...
400 BAD request HTTP error code meaning?
I have a JSON request which I'm posting to a HTTP URL.
8 Answers
8
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Proper way to handle multiple forms on one page in Django
...
You have a few options:
Put different URLs in the action for the two forms. Then you'll have two different view functions to deal with the two different forms.
Read the submit button values from the POST data. You can tell which submit button was clicked: How c...
Is Safari on iOS 6 caching $.ajax results?
...at it is only when the POST is the same, so change any of the POST data or URL and you're fine. So you can as mentioned elsewhere just add some random data to the URL or a bit of POST data.
Update: You can limit the "no-cache" just to POSTs if you wish like this in Apache:
SetEnvIf Request_Method ...
How to extract img src, title and alt from html using php? [duplicate]
...
$url="http://example.com";
$html = file_get_contents($url);
$doc = new DOMDocument();
@$doc->loadHTML($html);
$tags = $doc->getElementsByTagName('img');
foreach ($tags as $tag) {
echo $tag->getAttribute('sr...
How to check if NSString begins with a certain character
...asPrefix works especially well.
for example if you were looking for a http url in a NSString, you would use componentsSeparatedByString to create an NSArray and the iterate the array using hasPrefix to find the elements that begin with http.
NSArray *allStringsArray =
[myStringThatHasHttpUrl...
How to rotate the background image in the container?
...ght: 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(30deg);
}
...