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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...
IIS Express Immediately shutting-down running site after stopping web application
...t and Continue checkbox in project properties) you have to use the "Detech all" command to stop debugging.
The debugger will detach from the iis process without closing it.
Clearly "Edit and Continue" feature will not work until you start debugging again.
...
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<...
Split comma-separated strings in a column into separate rows
...solution,
and two additional variants of Jaap's data.table methods.
Overall 8 different methods were benchmarked on 6 different sizes of data frames using the microbenchmark package (see code below).
The sample data given by the OP consists only of 20 rows. To create larger data frames, these 20...
Use C++ with Cocoa Instead of Objective-C?
... superset of C. In Objective-C++, you can make objc-style message passing calls (like [some-objc-object callMethod];) from within a C++ function. Conversely, you can call C++ functions from within ObjC code like:
@interface MyClass {
MyCPPClass *cppInstance;
}
@end
@implementation MyClass
- (i...
Are querystring parameters secure in HTTPS (HTTP + SSL)? [duplicate]
...n in the URL. For example:
URLs are stored in web server logs -
typically the whole URL of each
request is stored in a server log.
This means that any sensitive data in
the URL (e.g. a password) is being
saved in clear text on the server
...
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...
C++ valarray vs. vector
I like vectors a lot. They're nifty and fast. But I know this thing called a valarray exists. Why would I use a valarray instead of a vector? I know valarrays have some syntactic sugar, but other than that, when are they useful?
...
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
...