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How can I get a list of Git branches, ordered by most recent commit?
... Perfect! I can even restrict the output to just the ref names by appending --format=%(refname).
– Joe White
Mar 4 '11 at 12:45
36
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What is referential transparency?
...hing that an expression refers to. It is roughly the same as what we mean by "meaning" or "denotation" in programming language semantics. Using Andrew Birkett's example (blog post), the term "the capital of Scotland" refers to the city of Edinburgh. That is a straightforward example of a "referen...
How do I get the MAX row with a GROUP BY in LINQ query?
... {
var q = from t in dc.TableTests
group t by t.SerialNumber
into g
select new
{
SerialNumber = g.Key,
uid = (from t2 in g select t2.uid).Ma...
How the single threaded non blocking IO model works in Node.js
...tracts apis/syscalls for asynchronous (non-blocking) input/output provided by the supported OSes (Unix, OS X and Windows at least).
Asynchronous IO
In this programming model open/read/write operation on devices and resources (sockets, filesystem, etc.) managed by the file-system don't block the ca...
Who architected / designed C++'s IOStreams, and would it still be considered well-designed by today'
... @stakx: Nevertheless it is getting deprecated and superseded by unique_ptr with clearer and more powerful semantics.
– UncleBens
May 2 '10 at 10:47
3
...
What are the security risks of setting Access-Control-Allow-Origin?
...
By responding with Access-Control-Allow-Origin: *, the requested resource allows sharing with every origin. This basically means that any site can send an XHR request to your site and access the server’s response which woul...
Environment variables in Mac OS X
...
There's no need for duplication. You can set environment variables used by launchd (and child processes, i.e. anything you start from Spotlight) using launchctl setenv.
For example, if you want to mirror your current path in launchd after setting it up in .bashrc or wherever:
PATH=whatever:you:...
Rails server says port already used, how to kill that process?
...
You can also find the PID by navigating through your rails directory to the following file tmp/pids/server.pid
– tandy
Feb 15 '14 at 19:29
...
How to use OrderBy with findAll in Spring Data
...t;StudentEntity, Integer> {
public List<StudentEntity> findAllByOrderByIdAsc();
}
The code above should work. I'm using something similar:
public List<Pilot> findTop10ByOrderByLevelDesc();
It returns 10 rows with the highest level.
IMPORTANT:
Since I've been told that it's e...
What is the garbage collector in Java?
...he Java Virtual Machine which gets rid of objects which are not being used by a Java application anymore. It is a form of automatic memory management.
When a typical Java application is running, it is creating new objects, such as Strings and Files, but after a certain time, those objects are not u...