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Make WPF window draggable, no matter what element is clicked
....ChangedButton == MouseButton.Left)
this.DragMove();
}
This will allow users to drag the Window when they click/drag on any control, EXCEPT for controls which eat the MouseDown event (e.Handled = true)
You can use PreviewMouseDown instead of MouseDown, but the drag event eats the Click ev...
How do I find numeric columns in Pandas?
Let's say df is a pandas DataFrame.
I would like to find all columns of numeric type.
Something like:
11 Answers
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MySQL OPTIMIZE all tables?
...ZE TABLE command which can be used to reclaim unused space in a MySQL install. Is there a way (built-in command or common stored procedure) to run this optimization for every table in the database and/or server install, or is this something you'd have to script up yourself?
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Rails: Open link in new tab (with 'link_to')
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The target: :_blank parameter should be a parameter of link_to, whereas you put it in image_tag parameters. Modify your code like this:
<%= link_to image_tag("facebook.png", class: :facebook_icon, alt: "Facebook"), "http://www.facebo...
Clean way to launch the web browser from shell script?
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If the user has Python installed... But thanks for mentioning the webbrowser module !
– nicoulaj
Jun 26 '10 at 17:41
2
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@UniqueConstraint annotation in Java
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@Entity
@Table(uniqueConstraints={@UniqueConstraint(columnNames = {"id_1" , "id_2"})})
public class class_name {
@Id
@GeneratedValue
public Long id;
@NotNull
public Long id_1;
@NotNull
public Long id_2;
}
Hope it helped.
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JavaScript null check
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@bfavaretto: Yep, so it might actually be a typo. But you never know… :D
– Ry-♦
May 21 '13 at 14:42
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assign multiple variables to the same value in Javascript
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Yeah, if doing this with an object, all the variables will be aliases of the object. I.E function MyObj(){this.x=1} var a,b; a = b = new MyObj(); ++a.x will also increment the b.x property.
– AlexMorley-Finch
Mar 10 '14 at...
Add a new item to a dictionary in Python [duplicate]
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default_data['item3'] = 3
Easy as py.
Another possible solution:
default_data.update({'item3': 3})
which is nice if you want to insert multiple items at once.
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Scoping in Python 'for' loops
I'm not asking about Python's scoping rules; I understand generally how scoping works in Python for loops. My question is why the design decisions were made in this way. For example (no pun intended):
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