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Access parent DataContext from DataTemplate
...pect your own naming and don't have heavy reuse of templates/styles across components:
<ItemsControl x:Name="level1Lister" ItemsSource={Binding MyLevel1List}>
<ItemsControl.ItemTemplate>
<DataTemplate>
<Button Content={Binding MyLevel2Property}
Command...
How do I set the proxy to be used by the JVM
Many times, a Java app needs to connect to the Internet. The most common example happens when it is reading an XML file and needs to download its schema.
...
Which is faster: multiple single INSERTs or one multiple-row INSERT?
...
https://dev.mysql.com/doc/refman/8.0/en/insert-optimization.html
The time required for inserting a row is determined by the following factors, where the numbers indicate approximate proportions:
Connecting: (3)
Sending query to s...
How do I convert a numpy array to (and display) an image?
...L differs from indexing in numpy. There is related question: stackoverflow.com/questions/33725237/…
– fdermishin
Dec 6 '15 at 18:57
1
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What is a message pump?
...read (posted about a year ago) there is a discussion of problems that can come with running Word in a non-interactive session. The (quite strong) advice given there is not to do so. In one post it is stated "The Office APIs all assume you are running Office in an interactive session on a desktop,...
Why there is no ForEach extension method on IEnumerable?
...d the method:
Type checking: foreach is done at runtime, ForEach() is at compile time (Big Plus!)
The syntax to call a delegate is indeed much simpler: objects.ForEach(DoSomething);
ForEach() could be chained: although evilness/usefulness of such a feature is open to discussion.
Those are all gr...
Windows API Code Pack: Where is it? [closed]
...se closer to the issue can tell us what happened), but thankfully it's not completely gone. It looks like the binaries have been reuploaded to NuGet by other developers, although note that none of the packages are official ones from Microsoft.
The following packages were uploaded by NuGet user aybe...
doGet and doPost in Servlets
...s="error">${error}</span>
</form>
...which can be used in combination with this piece of Servlet:
@WebServlet("/login")
public class LoginServlet extends HttpServlet {
@EJB
private UserService userService;
@Override
protected void doPost(HttpServletRequest request...
System.Threading.Timer in C# it seems to be not working. It runs very fast every 3 second
...sed. Then in your Callback function you Change the timer once the work has completed, not before. Example:
private void Callback( Object state )
{
// Long running operation
_timer.Change( TIME_INTERVAL_IN_MILLISECONDS, Timeout.Infinite );
}
Thus there is no need for locking mechanisms beca...
Copy file remotely with PowerShell
...s, then you
are cornering yourself into running the script on a specific computer.
This only works when a PowerShell session runs under the user who has rights to both administrative shares.
I suggest to use regular network share on server B with read-only access to everyone and simply call (fr...