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abort, terminate or exit?
...ers before it ends the program. These are registered with the atexit and on_exit functions.
std::terminate is what is automatically called in a C++ program when there is an unhandled exception. This is essentially the C++ equivalent to abort, assuming that you are reporting all your exceptional erro...
Python: print a generator expression?
...an iterator, without the need to build an intermediate list:
>>> _ = map(sys.stdout.write, (x for x in string.letters if x in (y for y in "BigMan on campus")))
acgimnopsuBM
share
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improv...
Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?
...
http://wiki.postgresql.org/wiki/Transactional_DDL_in_PostgreSQL:_A_Competitive_Analysis provides an overview of this issue from PostgreSQL's perspective.
Is DDL transactional according to this document?
PostgreSQL - yes
MySQL - no; DDL causes an implicit commit
Oracl...
In Markdown, what is the best way to link to a fragment of a page, i.e. #some_id?
...sure why this isn't the accepted answer.
– kayleeFrye_onDeck
Nov 16 '16 at 22:02
Defining old style anchors <a name...
Difference between Destroy and Delete
...ary key, and no callbacks are executed.
To enforce the object's before_destroy and after_destroy callbacks or any :dependent association options, use #destroy.
ActiveRecord::Persistence.destroy
Deletes the record in the database and freezes this instance to reflect that no changes should b...
Adding parameter to ng-click function inside ng-repeat doesn't seem to work
... <img src="https://cdn2.iconfinder.com/data/icons/users-2/512/User_1-512.png" alt="Image - {{user.name}}" class="img-responsive img-circle" style="width: 100px">
<hr>
</center>
<div class="caption">
<center>
...
What are the differences between type() and isinstance()?
...ne is not better; they are for different things.
– EL_DON
Apr 30 '17 at 2:30
Please can you tell me - why have you use...
ActiveRecord: size vs count
...e a new record without going through the relation, i.e. Comment.create(post_id: post.id), your post.comments.size will not be up to date, while post.comments.count will. So just be careful.
– mrbrdo
Mar 31 '13 at 19:52
...
XMLHttpRequest cannot load file. Cross origin requests are only supported for HTTP
...ompt, you can get more info at Wikipedia: [link]en.wikipedia.org/wiki/List_of_DOS_commands
– Alan Wells
Dec 14 '13 at 1:36
...
How do you load custom UITableViewCells from Xib files?
...ell, bundle: nil), forCellReuseIdentifier: MyIdentifier)
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: MyIdentifier, for: indexPath) as! ContactsCell
return cell
}
...