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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...
How to debug heap corruption errors?
...cation under Visual Studio 2008. On seemingly random occasions, I get a "Windows has triggered a break point..." error with a note that this might be due to a corruption in the heap. These errors won't always crash the application right away, although it is likely to crash short after.
...
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...
“Public key certificate and private key doesn't match” when using Godaddy issued certificate [closed
...gement console. I was using an Ubuntu desktop running in Virtual Box on a Windows 7 desktop; copy and pasting the values from a gedit screen into the browser running on the Windows box. Once I opened the key and cert files on the same box as the web browser (Windows in this case) the certs went th...
Logging best practices [closed]
...e outputs).
I generally classify outputs into three groups:
(1) Events - Windows Event Log (and trace files)
e.g. If writing a server/service, then best practice on Windows is to use the Windows Event Log (you don't have a UI to report to).
In this case all Fatal, Error, Warning and (service-le...
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...
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...
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...
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...