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How can I dynamically create derived classes from a base class
...ter names.
The parameter verification in __init__ just does not allow
unknown parameters, if you need other verifications, like
type, or that they are mandatory, just add the logic
there:
class BaseClass(object):
def __init__(self, classtype):
self._type = classtype
def ClassFactory(...
best practice to generate random token for forgot password
...ector,
'validator' => bin2hex($token)
]);
$expires = new DateTime('NOW');
$expires->add(new DateInterval('PT01H')); // 1 hour
$stmt = $pdo->prepare("INSERT INTO account_recovery (userid, selector, token, expires) VALUES (:userid, :selector, :token, :expires);");
$stmt->execute([
...
Visual Studio keyboard shortcut to automatically add the needed 'using' statement
...
Wow, didn't know about Ctrl+. or Alt+Shift+F10, but always wondered if there was such a short-cut. I also have a function lock keyboard, but it always remembers its state, so no problem here (Microsoft Natural Ergonomics Keyboard 4000).
...
Android Studio doesn't see device
... One M8 and I was able to debug on it last week. Something changed that is now causing Abdroid Studio to fail to see my phone as a viable debugging device. I tried it on another computer running Android Studio and it worked fine. So there must be some other setting or maybe even a driver someplace t...
Preferred Github workflow for updating a pull request after code review
...or the one combined commit. Amend accordingly and your commit history will now be concise:
$ git log --oneline parent/master..master
9de3202 fixing actual problem
Push that to your fork:
$ git push -f
Counting objects: 19, done.
Delta compression using up to 4 threads.
Compressing objects: 100% ...
Best practices for in-app database migration for Sqlite
...updates in version 2,3,4. The end user only downloaded your version 1, and now upgrade to version 5. What should you do?
– Bagusflyer
Apr 10 '14 at 4:09
6
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HTML input textbox with a width of 100% overflows table cells
Does anyone know why the input elements with a width of 100% go over the table's cells border.
14 Answers
...
git pull from master into the development branch
...
1This second part has been changed—I say "fixed"—in git 1.8.4, which now updates "remote branch" references opportunistically. (It was, as the release notes say, a deliberate design decision to skip the update, but it turns out that more people prefer that git update it. If you want the old ...
Can Visual Studio 2012 be installed side-by-side w/ Visual Studio 2010?
...fixed for your user.
For all intents and purposes, those fixed bugs are now "Hidden Bugs" (for developers that still need to target .net 4.0.
The best part is that it does not matter if you use VS 2010 or VS 2012. Once .net 4.5 is installed the bugs are hidden.
See this post for more details:...
Regular vs Context Free Grammars
...copies of y.) You basically have one "nonterminal" that can be expanded.
Now, what about context-free languages? There's an analogous pumping lemma for context-free languages that breaks the strings in the language into five parts, uvxyz, and where all instances of the language are in uvixyiz, fo...