大约有 12,100 项符合查询结果（耗时：0.0230秒） [XML]
Set value to null in WPF binding
...;
}
}
Declare an instance of this converter in the ressources :
<Window.Resources>
<local:StringToNullableDecimalConverter x:Key="nullDecimalConv"/>
</Window.Resources>
And use it in your binding :
<TextBox Text="{Binding Price, Converter={StaticResource nullDecima...
Making the Android emulator run faster
...
Official web page
~50% faster
Windows:
Install "Intel x86 Emulator Accelerator (HAXM)" => SDK-Manager/Extras
Install "Intel x86 Atom System Images" => SDK-Manager/Android 2.3.3
Go to the Android SDK root folder and navigate to extras\intel\Hardwar...
Generate pdf from HTML in div using Javascript
...ePDF': function (element, renderer) {
return true;
}
};
var source = window.document.getElementsByTagName("body")[0];
doc.fromHTML(
source,
15,
15,
{
'width': 180,'elementHandlers': elementHandler
});
doc.output("dataurlnewwindow");
For me this created a nice and t...
Check image width and height before upload with Javascript
...
The file is just a file, you need to create an image like so:
var _URL = window.URL || window.webkitURL;
$("#file").change(function (e) {
var file, img;
if ((file = this.files[0])) {
img = new Image();
var objectUrl = _URL.createObjectURL(file);
img.onload = functio...
Differences between Microsoft .NET 4.0 full Framework and Client Profile
...et NET4 Client Profile for all your client desktop applications (including Windows Forms and WPF apps).
NET4 Full framework:
Target NET4 Full only if the features or assemblies that your app need are not included in the Client Profile. This includes:
If you are building Server apps. S...
Unable to make the session state request to the session state server
...only happen when we click some particular links where it will pop-up a new window.
This is the error message we receive :
...
How to get the element clicked (for the whole document)?
...t jQuery...
document.addEventListener('click', function(e) {
e = e || window.event;
var target = e.target || e.srcElement,
text = target.textContent || target.innerText;
}, false);
Also, ensure if you need to support < IE9 that you use attachEvent() instead of addEventListen...
How accurate is python's time.sleep()?
...n your underlying OS's sleep accuracy. For non-realtime OS's like a stock Windows the smallest interval you can sleep for is about 10-13ms. I have seen accurate sleeps within several milliseconds of that time when above the minimum 10-13ms.
Update:
Like mentioned in the docs cited below, it's com...
When does System.getProperty(“java.io.tmpdir”) return “c:\temp”
...
In MS Windows the temporary directory is set by the environment variable TEMP. In XP, the temporary directory was set per-user as Local Settings\Temp.
If you change your TEMP environment variable to C:\temp, then you get the same...
vim and NERD Tree extension - adding a file
... case I use:
:!touch somefile.txt
and then hit r to reload the nerdtree window.
The other thing to do is to just start the new file from within vim.
:e somefile.txt
One handy thing for this is that in my .vimrc I auto change the cwd to the directory my current file is in:
" Auto change the...