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CSS filter: make color image with transparency white
...ich contains
the respective RGBA values for every pixel
in the selected region of the context
(note i+=4 in the loop)
*/
for (var i = 0; i < imgData.data.length; i+=4) {
imgData.data[i] = 255; //Red, 0-255
imgData.data[i+1] = 255; //Green, 0-255
imgDa...
Implementing MVC with Windows Forms
... bit complex, but it can work well for applications that have a good fit.
Selecting an MVC/MVP Implementation for a Winforms Project give an overview that is worth reading. A lot of people like PureMVC. I have never used it, but I would look at it the next time I need a MVC framework.
"Presenter F...
What is two way binding?
...ngs when values are transient.
Hope it helps in extend of original answer selected.
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What are the main performance differences between varchar and nvarchar SQL Server data types?
... AND ([URLa] IS NULL OR [URLu] IS NULL))
);
In this model you only SELECT from the [URL] computed column. For inserting and updating, you determine which field to use by seeing if converting alters the incoming value, which has to be of NVARCHAR type:
INSERT INTO TableName (..., URLa, URLu)...
How to overload std::swap()
...
@DaveAbrahams: The partial ordering is to select the function template to specialize when the explicit specialization matches more than one. The ::swap overload you added is more specialized than the std::swap overload for vector, so it captures the call and no spec...
How to use Elasticsearch with MongoDB?
...ng bumped up when you update.
echo "mongodb-10gen hold" | sudo dpkg --set-selections
Start the MongoDB service.
sudo service mongodb start
Your database files default to /var/lib/mongo and your log files to /var/log/mongo.
Create a database through the mongo shell and push some dummy data int...
jQuery animate backgroundColor
...ionality this lib is usually sought after for. It's now 20+kb big. You can select the v1 branch to get the old version (Which still works) but is much lighter weight.
– Aren
Jun 10 '11 at 22:48
...
What is the difference between the Data Mapper, Table Data Gateway (Gateway), Data Access Object (DA
...ata Gateway is used mainly for a single table or view. It contains all the selects, inserts, updates, and deletes. So Customer is a table or a view in your case. So, one instance of a table data gateway object handles all the rows in the table. Usually this is related to one object per database tabl...
Clear icon inside input text
...:0;
padding: 0 8px;
font-style: normal;
font-size: 1.2em;
user-select: none;
cursor: pointer;
}
.clearable input::-ms-clear { /* Remove IE default X */
display: none;
}
<span class="clearable">
<input type="text" name="" value="" placeholder="">
<i class="...
Simple Digit Recognition OCR in OpenCV-Python
...de a small code in OpenCV. It does following things:
It loads the image.
Selects the digits ( obviously by contour finding and applying constraints on area and height of letters to avoid false detections).
Draws the bounding rectangle around one letter and wait for key press manually. This time we...