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What's the difference between a proc and a lambda in Ruby?
...card is a method we call on self. We pass in an argument to the method and then we always attach the block to the end of the method invocation:
self.card :contacts do |c|
// a chunk of valid ruby code
end
Ok, so we are passing a chunk of code to a method. But how do we make use of this bloc...
What's an object file in C?
..., the output from the compilation phase is assembly code, and the compiler then invokes the assembler to turn that into an object file.
– Chris Dodd
Jul 13 '13 at 5:04
16
...
What is “thread local storage” in Python, and why do I need it?
...n set of locals, and threads are always separate function calls.) And even then, only the variables themselves (the names that refer to objects) are local to the function; objects themselves are always global, and anything can refer to them.
The Thread object for a particular thread is not a special...
How do I trim leading/trailing whitespace in a standard way?
...racter
end[1] = '\0';
return str;
}
If you can't modify the string, then you can use basically the same method:
// Stores the trimmed input string into the given output buffer, which must be
// large enough to store the result. If it is too small, the output is
// truncated.
size_t trimwhit...
Show data on mouseover of circle
... "10")
.style("visibility", "hidden")
.text("a simple tooltip");
Then you can just toggle it using
.on("mouseover", function(){return tooltip.style("visibility", "visible");})
.on("mousemove", function(){return tooltip.style("top",
(d3.event.pageY-10)+"px").style("left",(d3.event.page...
How to save/restore serializable object to/from file?
...lizer(typeof(SomeClass));
xSer.Serialize(fs, serializableObject);
}
Then, to deserialize:
using(FileStream fs = new FileStream(path, FileMode.Open)) //double check that...
{
XmlSerializer _xSer = new XmlSerializer(typeof(SomeClass));
var myObject = _xSer.Deserialize(fs);
}
NOTE: T...
What are the differences between double-dot “..” and triple-dot “…” in Git diff commit ranges?
...instance, if you create a ‘dev’ branch and add a function to a
file, then go back to your ‘master’ branch and remove a line from the
README, and then run something like this:
$ git diff master dev
It will tell you that a function was added from the first file and a
line was adde...
Why is setTimeout(fn, 0) sometimes useful?
...g, redraw, reflow, etc.
JavaScript tasks are queued to a message queue and then are dispatched to the browser's main thread to be executed.
When UI updates are generated while the main thread is busy, tasks are added into the message queue.
...
Is it considered acceptable to not call Dispose() on a TPL Task object?
...se of PFX (e.g. on channel9.msdn.com), so if anyone can give good guidance then he's it. Note his second paragraph: there are times leaving things to the finaliser is better.
– Richard
Sep 17 '10 at 10:25
...
Is it possible to make relative link to image in a markdown file in a gist?
...elative urls on the github wiki.
i had to add the image to the wiki repo, then browser the repo and have github show it to me (so i could grab the url). then use the full url in the markdown. but luckily, the urls are simple to predict: https://github.com/*username*/*reponame*/wiki/*imagename.png*
...