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Property getters and setters
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Setters and Getters apply to computed properties; such properties do not have storage in the instance - the value from the getter is meant to be computed from other instance properties. In your case, there is no x to be assi...
Show DialogFragment with animation growing from a point
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Being DialogFragment a wrapper for the Dialog class, you should set a theme to your base Dialog to get the animation you want:
public class CustomDialogFragment extends DialogFragment implements OnEditorActionListener
{
@Override
public View onCreateView(LayoutInflater inflater, ...
How can I use PowerShell with the Visual Studio Command Prompt?
...ram Files (x86)\Microsoft Visual Studio 10.0\VC'
cmd /c "vcvarsall.bat&set" |
foreach {
if ($_ -match "=") {
$v = $_.split("="); set-item -force -path "ENV:\$($v[0])" -value "$($v[1])"
}
}
popd
write-host "`nVisual Studio 2010 Command Prompt variables set." -ForegroundColor Yellow
Thi...
plot a circle with pyplot
...(fig.gca() returns the current axes), and since the limits have never been set, they defaults to an x and y range from 0 to 1.
Here's a continuation of the example, showing how units matter:
circle1 = plt.Circle((0, 0), 2, color='r')
# now make a circle with no fill, which is good for hi-lighting ...
add column to mysql table if it does not exist
... database()
and COLUMN_NAME = 'original_data'
AND table_name = 'mytable';
set @query = IF(@exist <= 0, 'alter table intent add column mycolumn4 varchar(2048) NULL after mycolumn3',
'select \'Column Exists\' status');
prepare stmt from @query;
EXECUTE stmt;
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How to switch a user per task or set of tasks?
...ve privilege escalation. You can apply them to an entire play or playbook, set them in an included playbook, or set them for a particular task.
- name: checkout repo
git: repo=https://github.com/some/repo.git version=master dest={{ dst }}
become: yes
become_user: some_user
You can use becom...
Scrolling down both parts of a split-window at the same time in Vim
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See the documentation for scroll-binding. You'll need to set this for each window that you want bound (e.g. a minimum of 2)
If you're comparing 2 files, however, vimdiff may be of more use
share
|...
UITableView, Separator color where to set?
I have added a UITableView in IB and set the "delegate" and "datasource" and all is working well. What I wanted to do next was change the separator color, but the only way I could find to do this was to add the method to one of the delegate callbacks, is there a better place I should put this?
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How do you set a default value for a MySQL Datetime column?
How do you set a default value for a MySQL Datetime column?
25 Answers
25
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How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
...ou can draw shapes with opacity) if you draw with primitive shapes you can set fill and stroke color with alpha to define the transparency. As far as I have concluded right now, this does not seem to affect image drawing.
//works with shapes but not with images
ctx.fillStyle = "rgba(255, 255, 255,...