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Why should I learn Lisp? [closed]
... For that reason, Lisp is best suited to large and complicated problems.
Now, a complex problem isn't the same as a complicated one. A complex problem is one with a lot of small details, but which isn't hard. Writing an airline booking system is a complex business, but with enough money and prog...
What is http multipart request?
I have been writing iPhone applications for some time now, sending data to server, receiving data (via HTTP protocol), without thinking too much about it. Mostly I am theoretically familiar with process, but the part I am not so familiar is HTTP multipart request. I know its basic structure, but the...
Get hostname of current request in node.js Express
...
request.headers.host is now deprecated, instead you can use request.headers.hostname
– Syam Danda
Dec 8 '16 at 9:45
...
How to repair a serialized string which has been corrupted by an incorrect byte count length?
...ce) it's deprecated - better use preg_replace_callback:
Edit: New Version now not just wrong length but it also fix line-breaks and count correct characters with aczent (thanks to mickmackusa)
// New Version
$data = preg_replace_callback('!s:\d+:"(.*?)";!s', function($m) { return "s:" . strlen($m[...
How to use R's ellipsis feature when writing your own function?
...st.
A valid use case for this is in cases where you want to pass in an unknown number of objects for operation (as in your example of c() or data.frame()). It's not a good idea to use the ... when you know each parameter in advance, however, as it adds some ambiguity and further complication to th...
What is SuppressWarnings (“unchecked”) in Java?
...ype (this is the only thing it can verify, so it verifies only that).
But now add this line.
Integer hello = actualList.get(0);
And JVM will throw an unexpected ClassCastException, as Java compiler inserted an implicit cast.
java.lang.ClassCastException: java.base/java.lang.String cannot be cas...
How to avoid circular imports in Python? [duplicate]
I know the issue of circular imports in python has come up many times before and I have read these discussions. The comment that is made repeatedly in these discussions is that a circular import is a sign of a bad design and the code should be reorganised to avoid the circular import.
...
Pull all commits from a branch, push specified commits to another
...l dependencies - if C actually used a function defined in B, you'll never know.
Perhaps a better way to handle this would be to have more fine grained branches. That is, instead of just having a 'master', have 'featureA', 'bugfixB', etc. Perform code review on an entire branch at a time - where eac...
Rails “validates_uniqueness_of” Case Sensitivity
... If you do not have a database constraint, the insert will succeed and you now have two rows with 'foo' as the name.
See also "Concurrency and integrity" in the validates_uniqueness_of Rails documentation.
From Ruby on Rails 3rd Edition:
...despite its name, validates_uniqueness_of doesn’t ...
What are “res” and “req” parameters in Express functions?
...function
// does that.
var peopleJSON = JSON.stringify(people);
// Now, we can use the response object's send method to push that string
// of people JSON back to the browser in response to this request:
response.send(peopleJSON);
});
...