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What's the point of OOP?
...oing so. There are so many usable classes you can build before you need to start reusing them. And OOP in my educated opinion, is fundamentally flawed at exactly that area - code reuse. It hides data and "marries" it to methods, effectively making said data inaccessible or hardly interoperable.
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Maximum on http header values?
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Be aware of firewall limits! We had a bunch of users start to not be able to log in. Apparently on June 9 fortiguard updated their IPS definitions for HTTP.Server.Authorization.Buffer.Overflow to limit the length of an authorization header - See: fortiguard.com/encyclopedia/ips...
innerText vs innerHTML vs label vs text vs textContent vs outerText
... outerHTML is basically the same as innerHTML, except that it includes the start and end tags of the element it belongs to. I can't seem to find much description of outerText at all. I think that is probably an obscure legacy property and should be avoided.
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How to sort objects by multiple keys in Python?
...port itemgetter
comparers = [((itemgetter(col[1:].strip()), -1) if col.startswith('-') else
(itemgetter(col.strip()), 1)) for col in columns]
def comparer(left, right):
for fn, mult in comparers:
result = cmp(fn(left), fn(right))
if result:
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Can I do a partial revert in GIT
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After the soft reset, you can also do git add -p to start an interactive session that allows you to selectively add chunks of files, instead of entire files. (There's also git reset -p to selectively unstage changes. Good to know, but probably not what you want in this scenari...
How to install a node.js module without using npm?
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You can clone the module directly in to your local project.
Start terminal. cd in to your project and then:
npm install https://github.com/repo/npm_module.git --save
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What is the “Execute Around” idiom?
...ithFile.
This was frankly painful in Java because closures were so wordy, starting with Java 8 lambda expressions can be implemented like in many other languages (e.g. C# lambda expressions, or Groovy), and this special case is handled since Java 7 with try-with-resources and AutoClosable streams.
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Which $_SERVER variables are safe?
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In PHP every $_SERVER variable starting with HTTP_ can be influenced by the user. For example the variable $_SERVER['HTTP_REINERS'] can be tainted by setting the HTTP header REINERS to an arbitrary value in the HTTP request.
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Importing from a relative path in Python
...s actually pointing - it (prolly) isn't the directory you were in when you started python.
– CarlH
Jul 14 '14 at 16:51
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JPA or JDBC, how are they different?
...he DB. The most famous JPA provider is Hibernate, so it's a good place to start for concrete examples.
Other examples include OpenJPA, toplink, etc.
Under the hood, Hibernate and most other providers for JPA write SQL and use JDBC to read and write from and to the DB.
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