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CSS opacity only to background color, not the text on it? [duplicate]
...
/* Mozilla */
opacity: 0.6;
/* CSS3 */
position: absolute;
top: 0;
left: 0;
height: 100%;
width: 100%;
}
#text {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
}
<div id="container">
<div id="block"></div>
<div i...
List all the modules that are part of a python package?
... ways 1. packages don't always explicitly import their submodules into the top-level namespace 2. packages may import other 3rd-party modules into their top-level namespace
– wim
Aug 27 '19 at 19:28
...
Update a submodule to the latest commit
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The plus indicates that the your submodule is pointing ahead of where the top repo expects it to point to.
simply add this change:
git add some/path/to/your/submodule
and commit it:
git commit -m "referenced newer version of my submodule"
When you push up your changes, make sure you push up ...
What is the significance of #pragma marks? Why do we need #pragma marks?
.../Function in a vast thousands of coding lines.
Xcode 11+:
Marker Line in Top
// MARK: - Properties
Marker Line in Top and Bottom
// MARK: - Properties -
Marker Line only in bottom
// MARK: Properties -
share
...
Loaded nib but the 'view' outlet was not set
... the XIB file causing problems
Click on file's owner icon on the left bar (top one, looks like a yellow outlined box)
If you don't see the right-hand sidebar, click on the third icon above "view" in your toolbar. This will show the right-hand sidebar
In the right-hand sidebar, click on the third tab...
Click button copy to clipboard using jQuery
...te";
target.style.left = "-9999px";
target.style.top = "0";
target.id = targetId;
document.body.appendChild(target);
}
target.textContent = elem.textContent;
}
// select the content
var currentFocus = document.activ...
SQL Server - Create a copy of a database table and place it in the same database?
...
I find using SELECT TOP(0) * cleaner than the always-false WHERE statement method
– Thymine
Nov 29 '18 at 21:29
add a co...
How to stop a program running under Eclipse?
I can't find an option to stop a running program (whether in debug or release mode).
9 Answers
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OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
...e document, you can perform a four-point perspective transform to obtain a top-down birds eye view of the image. This will fix the skew and isolate only the desired object.
Input image:
Detected text object
Top-down view of text document
Code
from imutils.perspective import four_point_...
Zoom in on a point (using scale and translate)
...lientX - canvas.offsetLeft;
var mousey = event.clientY - canvas.offsetTop;
// Normalize wheel to +1 or -1.
var wheel = event.deltaY < 0 ? 1 : -1;
// Compute zoom factor.
var zoom = Math.exp(wheel*zoomIntensity);
// Translate so the visible origin is at the co...