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Delete terminal history in Linux [closed]
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Really like this answer - this takes effect immediately, rather than deleting .bash_history which requires the shell to be restarted to take effect.
– mikemaccana
Sep 11 '14 at 9:18
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How do I prevent the iPhone screen from dimming or turning off while my application is running?
... answered Sep 24 '08 at 6:07
lajoslajos
24.4k1919 gold badges6161 silver badges7474 bronze badges
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On localhost, how do I pick a free port number?
... bind to a specific port, or bind to port 0, e.g. sock.bind(('', 0)). The OS will then pick an available port for you. You can get the port that was chosen using sock.getsockname()[1], and pass it on to the slaves so that they can connect back.
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Android: AsyncTask vs Service
... accomplish the same task with either an AsyncTask or a Service however usually one is better suited to a task than the other.
AsyncTasks are designed for once-off time-consuming tasks that cannot be run of the UI thread. A common example is fetching/processing data when a button is pressed.
Servi...
JavaScript unit test tools for TDD
...a for my end-to-end testing?
Can Protractor and Karma be used together?
pros:
Uses node.js, so compatible with Win/OS X/Linux
Run tests from a browser or headless with PhantomJS
Run on multiple clients at once
Option to launch, capture, and automatically shut down browsers
Option to run server/cli...
Multithreading: What is the point of more threads than cores?
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The answer revolves around the purpose of threads, which is parallelism: to run several separate lines of execution at once. In an 'ideal' system, you would have one thread executing per core: no interruption. In reality this isn't the case. Even if you have four cores and four workin...
Xcode debugger doesn't print objects and shows nil, when they aren't
...ation". Here set "Debug". If it was on "Release" that's the matter you saw all nils).
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C: Run a System Command and Get Output? [duplicate]
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Usually, if the command is an external program, you can use the OS to help you here.
command > file_output.txt
So your C code would be doing something like
exec("command > file_output.txt");
Then you can use the file...
Changing the browser zoom level
...on-firefox browsers. Though this gives you a zoom effect, it does not actually modify the zoom value at browser level.
var currFFZoom = 1;
var currIEZoom = 100;
$('#plusBtn').on('click',function(){
if ($.browser.mozilla){
var step = 0.02;
currFFZoom += ...
Why use Ruby instead of Smalltalk? [closed]
...hrough its adolescence. There are a lot of similarities between Ruby and Smalltalk -- maglev is a testament to that. Despite having a more unusual syntax, Smalltalk has all (if not more) of the object-oriented beauty of Ruby.
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