大约有 15,000 项符合查询结果（耗时：0.0306秒） [XML]
Detect browser or tab closing
...
I injected window.onunload = "alert('wait')" and window.onbeforeunload = "alert('wait... chrome!')" using the console in Chromium/Ubuntu but neither fired when I closed the tab.
– icedwater
Apr 15 '14 at 3:34
...
How can I post an array of string to ASP.NET MVC Controller without a form?
...ist",
data: postData,
success: function(data){
alert(data.Result);
},
dataType: "json",
traditional: true
});
}
And here's the code in my controller class:
public JsonResult SaveList(List<String> values)
{
return Json(new { Result ...
C# vs C - Big performance difference
...a problem because you could distribute your source and create installation scripts that compile the code using the appropriate optimization. On the windows or closed source platform, you will have to distribute multiple executables, each with specific optimizations. The windows binaries that will be...
What are all the valid self-closing elements in XHTML (as implemented by the major browsers)?
...i, IE9) supports self-closing syntax on every element.
<div/>, <script/>, <br></br> all should work just fine. If they don't, then you have HTML with inappropriately added XHTML DOCTYPE.
DOCTYPE does not change how document is interpreted. Only MIME type does.
W3C decisi...
AJAX POST and Plus Sign ( + ) — How to Encode?
I'm POSTing the contents of a form field via AJAX to a PHP script and using JavaScript to escape(field_contents) . The problem is that any plus signs are being stripped out and replaced by spaces. How can I safely 'encode' the plus sign and then appropriately 'decode' it on the PHP side?
...
Twitter Bootstrap Customization Best Practices [closed]
...es for all Less files i am customizing: Such as: "variables-custom.less", "alerts-custom.less", "buttons-custom.less". So i can use some standards and have my own additions. The downside is: When Bootstrap will be update it's really hard to migrate.
But there is something else:
Override Styles
W...
How do I get the path of the current executed file in Python?
...
You can't directly determine the location of the main script being executed. After all, sometimes the script didn't come from a file at all. For example, it could come from the interactive interpreter or dynamically generated code stored only in memory.
However, you can relia...
Checking for empty arrays: count vs empty
...
I was curious to see which one was actually faster so I made a simple script to benchmark those functions.
<?php
function benchmark($name, $iterations, $action){
$time=microtime(true);
for($i=0;$i<=$iterations;++$i){
$action();
}
echo $name . ' ' . round(microtim...
How to check if object property exists with a variable holding the property name?
...
var myProp = 'prop';
if(myObj.hasOwnProperty(myProp)){
alert("yes, i have that property");
}
Or
var myProp = 'prop';
if(myProp in myObj){
alert("yes, i have that property");
}
Or
if('prop' in myObj){
alert("yes, i have that property");
}
Note that hasOwnProperty d...
Determine if $.ajax error is a timeout
... dataType: "json",
timeout: 1000,
success: function(response) { alert(response); },
error: function(xmlhttprequest, textstatus, message) {
if(textstatus==="timeout") {
alert("got timeout");
} else {
alert(textstatus);
}
}
});
Wi...