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When is the finalize() method called in Java?
...e readers) it is never called on the main class, as, when the main class closes, no garbage needs to be collected. The OS cleans up everything the app used anyway.
– Mark Jeronimus
May 7 '12 at 7:05
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Associative arrays in Shell scripts
...are built in to the shell. This should work in bash 4.0 (available now on most major distros, though not on OS X unless you install it yourself), ksh, and zsh:
declare -A newmap
newmap[name]="Irfan Zulfiqar"
newmap[designation]=SSE
newmap[company]="My Own Company"
echo ${newmap[company]}
echo ${ne...
brew install mysql on macOS
I'm trying to setup up MySQL on mac os 10.6 using Homebrew by brew install mysql 5.1.52 .
16 Answers
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Can't specify the 'async' modifier on the 'Main' method of a console app
... (but never recommended) in VS2010 with the Async CTP.
I have recent blog posts about async/await and asynchronous console programs in particular. Here's some background info from the intro post:
If "await" sees that the awaitable has not completed, then it acts asynchronously. It tells the awaitab...
What is the difference between a directory and a folder?
Most people use the terms "folder" and "directory" interchangeably. From a programmer point of view, is there a difference, and if so, what is it? Does it depend on the OS, or is there a broad, general consensus? This at least suggests that there is a difference.
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How to show and update echo on same line
...e advantage is printf generally behaves similarly in every environment and OS, while echo can sometimes behave very differently. For cross-platform scripts (or if you think you may ever care about that), using printf is best-practice.
– William T Froggard
Apr 8...
Android: how to make keyboard enter button say “Search” and handle its click?
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On os 2.3.6 it doesn't work until I put android:inputType="text" attribute.
– thanhbinh84
Dec 30 '11 at 15:03
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What is non-blocking or asynchronous I/O in Node.js?
...her requests while that thread has stalled depends on your software. What most server software do is spawn more threads to cater the additional requests. This requires more memory consumed and more processing.
Asynchronous, non-blocking example
Asynchronous, non-blocking servers - like ones made i...
How does a “stack overflow” occur and how do you prevent it?
...is when you've used up more memory for the stack than your program was supposed to use. In embedded systems you might only have 256 bytes for the stack, and if each function takes up 32 bytes then you can only have function calls 8 deep - function 1 calls function 2 who calls function 3 who calls f...
Stop pip from failing on single package when installing with requirements.txt
...xt | xargs -n 1 pip install
Note: -a parameter is not available under MacOS, so old cat is more portable.
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