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How to crop an image in OpenCV using Python
...copy region of interest
If we consider (0,0) as top left corner of image called im with left-to-right as x direction and top-to-bottom as y direction. and we have (x1,y1) as the top-left vertex and (x2,y2) as the bottom-right vertex of a rectangle region within that image, then:
roi = im[y1:y2, x1...
Repository Pattern vs DAL
...e method will take any number of parameters. While this may sound like a small difference, it is a big issue when you enter the realms of Linq and Expressions.
Our default repository interface looks like this:
public interface IRepository : IDisposable
{
T[] GetAll<T>();
T[] GetAll<...
How to detect iPhone 5 (widescreen devices)?
...
First of all, you shouldn't rebuild all your views to fit a new screen, nor use different views for different screen sizes.
Use the auto-resizing capabilities of iOS, so your views can adjust, and adapt any screen size.
That's not v...
Detect if the app was launched/opened from a push notification
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I am getting the call to application:didReceiveRemoteNotification: after tapping the notification regardless of whether the app is just in the background or not running at all so this answer suits my needs perfectly. Tested on iOS 7 & 8
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Partly cherry-picking a commit with Git
...etting you decide whether each hunk should go in, and even letting you manually edit the patch if necessary.
To use it in combination with cherry-pick:
git cherry-pick -n <commit> # get your patch, but don't commit (-n = --no-commit)
git reset # unstage the changes from the...
Set the table column width constant regardless of the amount of text in its cells?
...ny extra text from coming out of the table.
You should make sure to leave all of the bordering and sizing for CSS, too.
Ok so here's what I have:
table {
border: 1px solid black;
table-layout: fixed;
width: 200px;
}
th,
td {
border: 1px solid black;
width: 100px;
overfl...
Remove vertical padding from horizontal ProgressBar
... tried to avoid to add another dependency just to remove some padding. But all other solutions failed in one or the other way/version and in the end this was like 3 minutes to make it work!! Thank you.
– ToniTornado
Jan 10 '18 at 23:32
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Why should Java ThreadLocal variables be static
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Because if it were an instance level field, then it would actually be "Per Thread - Per Instance", not just a guaranteed "Per Thread." That isn't normally the semantic you're looking for.
Usually it's holding something like objects that are scoped to a User Conversation, Web Request...
How to show “if” condition on a sequence diagram?
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If else condition, also called alternatives in UML terms can indeed be represented in sequence diagrams. Here is a link where you can find some nice resources on the subject
http://www.ibm.com/developerworks/rational/library/3101.html
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Growing Amazon EBS Volume sizes [closed]
...
All great recommendations, and I thought I'd add this article I found, which relates to expanding a Windows Amazon EC2 EBS instance using the Amazon Web UI tools to perform the necessary changes. If you're not comfortable usi...