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How to create a CPU spike with a bash command
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You can also do
dd if=/dev/zero of=/dev/null
To run more of those to put load on more cores, try to fork it:
fulload() { dd if=/dev/zero of=/dev/null | dd if=/dev/zero of=/dev/null | dd if=/dev/zero of=/dev/null | dd if=/dev/zero of=/dev/null & }; fulload; read; killall ...
Why is “while ( !feof (file) )” always wrong?
...Many properties of state simply don't exist concurrently.
Let me make this more precise: Suppose you want to ask, "do you have more data". You could ask this of a concurrent container, or of your I/O system. But the answer is generally unactionable, and thus meaningless. So what if the container say...
Is it bad practice to make a setter return “this”?
...at)
Several overloaded constructors (downside: gets unwieldy once you have more than a few)
Factory/static methods (downside: same as overloaded constructors - gets unwieldy once there is more than a few)
If you're only going to set a few properties at a time I'd say it's not worth returning 'this...
Why can't I use Docker CMD multiple times to run multiple services?
...=true
[include]
files = /etc/supervisor/conf.d/*.conf
If you would like more details, I wrote a blog on this subject here: http://blog.trifork.com/2014/03/11/using-supervisor-with-docker-to-manage-processes-supporting-image-inheritance/
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Should switch statements always contain a default clause?
...okes kind of contradicts the rest of what you just said. :| I think a bit more explanation would make sense such as: you don't care about a default in this case because if another key is pressed you don't care, but if a variable is passed in is different than expected, we do care.
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Would it be beneficial to begin using instancetype instead of id?
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How should a model be structured in MVC? [closed]
... views and controllers.
As you might suspect, the DI container is a lot more elegant solution (while not being the easiest for a beginner). The two libraries, that I recommend considering for this functionality would be Syfmony's standalone DependencyInjection component or Auryn.
Both the solut...
What's the best way to share data between activities?
...ted, it should work just fine.
Disadvantages: it’s cumbersome and takes more time to implement. Requires more code and thus more chance of introducing bugs. It will also be much slower.
Some of the ways to persist objects include:
Save them to the shared preferences
Save them to a sqlite datab...
How to count the number of occurrences of an element in a List
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This is not what was asked for. It does more work than necessary.
– Alex Worden
Oct 4 '17 at 3:09
9
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Resize svg when window is resized in d3.js
...imple to make a SVG responsive and you don't have to worry about sizes any more.
Here is how I did it:
d3.select("div#chartId")
.append("div")
// Container class to make it responsive.
.classed("svg-container", true)
.append("svg")
// Responsive SVG needs these 2 attribute...