大约有 30,000 项符合查询结果(耗时:0.0452秒) [XML]
How to have jQuery restrict file types on upload?
...();
if($.inArray(ext, ['gif','png','jpg','jpeg']) == -1) {
alert('invalid extension!');
}
share
|
improve this answer
|
follow
|
...
Programmatically selecting text in an input field on iOS devices (mobile Safari)
How do you programmatically select the text of an input field on iOS devices, e.g. iPhone, iPad running mobile Safari?
10 A...
What is the difference between memmove and memcpy?
...onlan It's not just a promise to the compiler, it's a requirement for your caller. It's a requirement that is not enforced but if you violate a requirement, you cannot complain if you get unexpected results. Violating a requirement is undefined behavior, just like i = i++ + 1 is undefined; the compi...
Using logging in multiple modules
...r code which will be used as a library module by other code.
Update: When calling fileConfig(), you may want to specify disable_existing_loggers=False if you're using Python 2.6 or later (see the docs for more information). The default value is True for backward compatibility, which causes all exis...
jQuery - add additional parameters on submit (NOT ajax)
...
This one did it for me:
var input = $("<input>")
.attr("type", "hidden")
.attr("name", "mydata").val("bla");
$('#form1').append(input);
is based on the Daff's answer, but added the NAME attribute ...
What is an existential type?
...through the Wikipedia article Existential types . I gathered that they're called existential types because of the existential operator (∃). I'm not sure what the point of it is, though. What's the difference between
...
How to specify test directory for mocha?
...The nice way to do this is to add a "test" npm script in package.json that calls mocha with the right arguments. This way your package.json also describes your test structure. It also avoids all these cross-platform issues in the other answers (double vs single quotes, "find", etc.)
To have moc...
What is the best way to profile javascript execution? [closed]
... table.
console.profile([title])
//also see
console.trace()
You need to call console.profileEnd () to end your profile block. See the console API here: http://getfirebug.com/wiki/index.php/Console_API
Blackbird
Blackbird (official site) also has a simpler profiler (can be downloaded from here)
...
Sending emails with Javascript
...
The way I'm doing it now is basically like this:
The HTML:
<textarea id="myText">
Lorem ipsum...
</textarea>
<button onclick="sendMail(); return false">Send</button>
The Javascript:
function sendMail() {
var link = "mailto:me@example.com"
+ "?cc=myCCa...
What are named pipes?
...
Unix and Windows both have things called "Named pipes", but they behave differently. On Unix, a named pipe is a one-way street which typically has just one reader and one writer - the writer writes, and the reader reads, you get it?
On Windows, the thing cal...
