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How to fix getImageData() error The canvas has been tainted by cross-origin data?
...the remote server sets the following header appropriately:
Access-Control-Allow-Origin "*"
The Dropbox file chooser when using the "direct link" option is a great example of this. I use it on oddprints.com to hoover up images from the remote dropbox image url, into my canvas, and then submit the ...
Is there a VB.NET equivalent for C#'s '??' operator?
...
If Operator (Visual Basic)
Uses short-circuit evaluation to conditionally return one of two
values. The If operator can be called with three arguments or with two
arguments.
If( [argument1,] argument2, argument3 )
If Operator Called with Two Arguments
The first argument to If...
How to best display in Terminal a MySQL SELECT returning too many fields?
... Db: mydatabase1
User: myuser1
Select_priv: Y
Insert_priv: Y
Update_priv: Y
...
*************************** 2. row ***************************
Host: localhost
Db: mydatabase2
User...
Remove specific commit
...hanged line 2"
1 files changed, 1 insertions(+), 1 deletions(-)
Then it all works as expected.
The second answer was very interesting. There is a feature which has not yet been officially released (though it is available in Git v1.7.2-rc2) called Revert Strategy. You can invoke git like this:
...
What text editor is available in Heroku bash shell? [closed]
...
I recently turned the original gist into a heroku cli plugin.
Just install:
heroku plugins:install https://github.com/naaman/heroku-vim
And use:
heroku vim
The heroku vim command will drop you into a bash shell with vim installed on your $PATH. All you have to do is retrain your fingers to t...
What is the difference between String and string in C#?
...
string is an alias in C# for System.String.
So technically, there is no difference. It's like int vs. System.Int32.
As far as guidelines, it's generally recommended to use string any time you're referring to an object.
e.g.
string place = "world";
Likewise, I think it's g...
How to set layout_weight attribute dynamically from code?
...t the value for the attribute layout_weight for button in android dynamically from java code ?
9 Answers
...
Giving a border to an HTML table row,
...or table. The net effect anyway is that you get separated border on almost all browsers unless you explicitly specifi collapse.)
Thus, you need to use collapsing borders. Example:
<style>
table { border-collapse: collapse; }
tr:nth-child(3) { border: solid thin; }
</style>
...
Fit image into ImageView, keep aspect ratio and then resize ImageView to image dimensions?
...nsity);
}
The xml code for the ImageView:
<ImageView a:id="@+id/image_box"
a:background="#ff0000"
a:src="@drawable/star"
a:layout_width="wrap_content"
a:layout_height="wrap_content"
a:layout_marginTop="20dp"
a:layout_gravity="center_horizontal"/>
Thanks to this di...
PostgreSQL - Rename database
...isconnect from the database to be renamed
\c postgres
-- force disconnect all other clients from the database to be renamed
SELECT pg_terminate_backend( pid )
FROM pg_stat_activity
WHERE pid <> pg_backend_pid( )
AND datname = 'name of database';
-- rename the database (it should now have...