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What killed my process and why?
...y. So in theory, your CPU has access to total of 1.5GB of virtual memory.
Now, for some time everything is running fine within 1.5GB of total memory. But all of sudden (or gradually) your system has started consuming more and more memory and it reached at a point around 95% of total memory used.
N...
Spinlock versus Semaphore
... few threads are contending for the lock at the same time. Of course every now and then two threads will try to acquire the lock at the same time (if this couldn't happen you wouldn't need a lock!), but this is rather the exception than the rule in a "healthy" system.
In such a case, a spinlock g...
Global and local variables in R
...d since it is not defined in this environment
get('var', envir=test.env) # now it can be found
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How to disable scrolling in UITableView table when the content fits on the screen
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Thank you! This is mostly working for me now. Only problem I'm having now is when cells are partially visible they still count as visible and thus scrolling gets disabled when in that case I want it to be enabled.
– Ginny
Sep ...
Rails extending ActiveRecord::Base
...y-patching.
Some people, when confronted with a problem, think “I know, I'll use
monkey patching.” Now they have two problems.
Monkey patching is easy and quick. But, the time and effort saved is always extracted back
sometime in the future; with compound interest. These days I limi...
What are the best practices for structuring a large Meteor app with many HTML template files? [close
...e of the loading piecemeal after main screen load, but I'm skeptical right now. I think its going to need to be a feature to break things up a bit.
– Dave Sanders
Apr 19 '12 at 15:35
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What does the “map” method do in Ruby?
..., convert each element by some rule
names.map! {|name| name.capitalize } # now names contains ['Danil', 'Edmund']
names.each { |name| puts name + ' is a programmer' } # here we just do something with each element
The output:
Danil is a programmer
Edmund is a programmer
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Write a program that will surely go into deadlock [closed]
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My knowledge of theoretical C# is limited, but I assume the classloader guarantees the code is run single threaded as it does in Java. I'm pretty sure there's a similar example in Java Puzzlers.
– Voo
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Get elements by attribute when querySelectorAll is not available without using libraries?
...ment.querySelectorAll('[someAttr]')
to find elements by attribute. It's now supported in all relevant browsers (even IE8): http://caniuse.com/#search=queryselector
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node.js remove file
...s.exists. Because according to the latest node.js documentation, fs.exists now deprecated.
For example:-
fs.stat('./server/upload/my.csv', function (err, stats) {
console.log(stats);//here we got all information of file in stats variable
if (err) {
return console.error(err);
}
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