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C++使用OLE/COM高速读写EXCEL的源码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...
}
#endif
}
if (!bRtn)
{
AfxMessageBox(_T("创建Excel服务失败,你可能没有安装EXCEL，请检查!"));
return bRtn;
}
m_app.put_DisplayAlerts(FALSE);
return bRtn;
}
//
void CExcelOp::ReleaseExcel()
{
m_app.Quit();
m_app.ReleaseDispatch();
m_app=NULL;
...
How to download image from url
Is there a way to download an image directly from a url in c# if the url does not have an image format at the end of the link? Example of url:
...
How to send a PUT/DELETE request in jQuery?
...
You could use the ajax method:
$.ajax({
url: '/script.cgi',
type: 'DELETE',
success: function(result) {
// Do something with the result
}
});
share
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...
How to add an Access-Control-Allow-Origin header
...in your remote CSS file, the font-face declaration needs the full absolute URL of the font-file (not needed in local CSS files):
e.g.
@font-face {
font-family: 'LeagueGothicRegular';
src: url('http://www.example.com/css/fonts/League_Gothic.eot?') format('eot'),
url('http://www.ex...
Sending POST data in Android
... protected String doInBackground(String... params) {
String urlString = params[0]; // URL to call
String data = params[1]; //data to post
OutputStream out = null;
try {
URL url = new URL(urlString);
HttpURLConnection...
Modify SVG fill color when being served as Background-Image
...utputs your svg according to GET parameters, and you serve it on a certain url.
Then you just use that url in your css.
Because as a background img, it isn't part of the DOM and you can't manipulate it.
Another possibility would be to use it regularly, embed it in a page in a normal way, but posit...
Bypass popup blocker on window.open when JQuery event.preventDefault() is set
...it locks up the UI of the browser. $.getJSON is equivalent to:
$.ajax({
url: url,
dataType: 'json',
data: data,
success: callback
});
...and so you can make your $.getJSON call synchronous by mapping your params to the above and adding async: false:
$.ajax({
url: "redirect/" + p...
How do I check if file exists in jQuery or pure JavaScript?
...
With jQuery:
$.ajax({
url:'http://www.example.com/somefile.ext',
type:'HEAD',
error: function()
{
//file not exists
},
success: function()
{
//file exists
}
});
EDIT:
Here is the code for checking 404...
parsing JSONP $http.jsonp() response in angular.js
... go
You must now define the callback like so:
$http.jsonp('some/trusted/url', {jsonpCallbackParam: 'callback'})
Change/access/declare param via $http.defaults.jsonpCallbackParam, defaults to callback
Note: You must also make sure your URL is added to the trusted/whitelist:
$sceDelegateProvider...
When to use thread pool in C#? [closed]
...onsiderations, I use thread pools for database access, physics/simulation, AI(games), and for scripted tasks ran on virtual machines that process lots of user defined tasks.
Normally a pool consists of 2 threads per processor (so likely 4 nowadays), however you can set up the amount of threads you ...