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Why does the default parameterless constructor go away when you create one with parameters
...lt parameterless one goes away. I have always just accepted this fact, but now I've started wondering why.
11 Answers
...
Git pull after forced update
... commits with git rebase and did a git push --force (which is evil, I know).
3 Answers
...
Copy constructor for a class with unique_ptr
...situations, the deleter will be type erased somehow, or pointless (if you know the type to delete, why change only the deleter?). In any case, yes, this is the design of a value_ptr -- unique_ptr plus deleter/copier information.
– Yakk - Adam Nevraumont
Jul 28...
How to test chrome extensions?
...ert.calledWithMatch(chrome.browserAction.setBadgeText, {
text: "2"
});
Now we can wrap it into mocha's describe..it functions and run from terminal:
$ mocha
background page
✓ should display opened tabs count in button badge
1 passing (98ms)
You can find full example here.
Additionally,...
Is it better to reuse a StringBuilder in a loop?
...
Okay, I now understand what's going on, and it does make sense.
I was under the impression that toString just passed the underlying char[] into a String constructor which didn't take a copy. A copy would then be made on the next "wr...
What does “Content-type: application/json; charset=utf-8” really mean?
...e content itself, i.e. you can't necessarily just look at the content and know what to do with it. That's what HTTP headers are for, they tell the recipient what kind of content they're (supposedly) dealing with.
Content-type: application/json; charset=utf-8 designates the content to be in JSON for...
Reading binary file and looping over each byte
...
# Do stuff with byte.
byte = f.read(1)
python 3.8
From now on thanks to := operator the above code can be written in a shorter way.
with open("myfile", "rb") as f:
while (byte := f.read(1)):
# Do stuff with byte.
...
CSS customized scroll bar in div
...lbar-shadow-color:
}
Chrome & Safari (WebKit)
Similarly, WebKit now has its own version:
Styling scrollbars: https://www.webkit.org/blog/363/styling-scrollbars/
Demo of all WebKit scroll bar styling
From Custom scrollbars in WebKit, relevant CSS:
/* pseudo elements */
::-webkit-scrollb...
What is the difference between MacVim and regular Vim?
...as working in multiple environments I forced my self to learn the vim way. Now I use both MacVim and Vim almost exactly the same way. Using one or the other is just a question of context for me.
Also, like El Isra said, the default vim (CLI) in OS X is slightly outdated. You may install an up-to-da...
org.hibernate.MappingException: Could not determine type for: java.util.List, at table: College, for
... @Arthur Ronald F D Garcia: Thanks, it worked great. But, the program is now stopped by new one. object references an unsaved transient instance - save the transient instance before flushing Do you aware of this error. If not just leave it. I am searching.
– user405398
...