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Avoid synchronized(this) in Java?
...e returned map instance. What’s interesting, is, that the views returned by keySet() and values() don’t lock on (their) this, but the map instance, which is important to get consistent behavior for all map operations. The reason, the lock object is factored out into a variable, is, that the subc...
TCP: can two different sockets share a port?
... side of the connection. An established connection is uniquely identified by the combination of client-side and server-side IP/Port pairs. Multiple connections on the same server can share the same server-side IP/Port pair as long as they are associated with different client-side IP/Port pairs, an...
What is a Portable Class Library?
...ticle comparing/constrasting .NET Core/Std/PCL
UPDATE Nov 23 2016: Article by Rick Strahl
UPDATE Oct 29 2016: .NETStandard 1->2 FAQ
UPDATE Oct 19 2016: This is the best interview/video I've seen to date covering .NET Standard 2.0
UPDATE Sep 27 2016: .NET Standard 2.0 announcement post has more ...
What is the difference between JAX-RS and JAX-WS?
... I can't think of any reason it wouldn't be able to.
What does it mean by "REST is particularly useful for limited-profile devices, such as PDAs and mobile phones"?
3) REST based architectures typically will use a lightweight data format, like JSON, to send data back and forth. This is in cont...
Design by contract using assertions or exceptions? [closed]
When programming by contract a function or method first checks whether its preconditions are fulfilled, before starting to work on its responsibilities, right? The two most prominent ways to do these checks are by assert and by exception .
...
Invalidating JSON Web Tokens
...n, I'm thinking about switching over from a cookie based session approach (by this, I mean, storing an id to a key-value store containing user sessions in a user's browser) to a token-based session approach (no key-value store) using JSON Web Tokens (jwt).
...
Why is an MD5 hash created by Python different from one created using echo and md5sum in the shell?
A Python MD5 hash is different than the one created by the md5sum command on the shell. Why?
1 Answer
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Is there an equivalent for var_dump (PHP) in Javascript?
...
I love this method because I only need to type a few bytes. I use it often.
– userBG
Dec 7 '11 at 7:24
...
Removing duplicate rows from table in Oracle
...ROM your_table
WHERE rowid not in
(SELECT MIN(rowid)
FROM your_table
GROUP BY column1, column2, column3);
Where column1, column2, and column3 make up the identifying key for each record. You might list all your columns.
sh...
jQuery: Return data after ajax call success [duplicate]
...rom functions, but when you finally want to use your data that is returned by the AJAX call, you have to do it like this:
promise.success(function (data) {
alert(data);
});
(See updates below for simplified syntax.)
If your data is available at this point then this function will be invoked imm...