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What do pty and tty mean?
I noticed there are many mentions of pty and tty in some opensource projects, could someone can tell me what do they mean and what is the difference between them? Thanks!
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How to unit test abstract classes: extend with stubs?
I was wondering how to unit test abstract classes, and classes that extend abstract classes.
14 Answers
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Favourite performance tuning tricks [closed]
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Here is the handy-dandy list of things I always give to someone asking me about optimisation.
We mainly use Sybase, but most of the advice will apply across the board.
SQL Server, for example, comes with a host of performance monitorin...
No identities are available for signing Xcode 5
...when try to validate my app in Xcode 5. I tried all: Recreate certificates and provisioning profiles, all methods which have been described on this site and another resources; I'm confused, because when I try to distribute my app as Ad-hoc, it successfully create and install on test device an IPA fi...
Application Loader stuck at “Authenticating with the iTunes store” when uploading an iOS app
... submit an app to the iTunes store using Application Loader for three days and keep getting stuck at the "Authenticating with the iTunes store" step.
We have read many forums (including stackoverflow) and tried what was suggested:
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Check number of arguments passed to a Bash script
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Just like any other simple command, [ ... ] or test requires spaces between its arguments.
if [ "$#" -ne 1 ]; then
echo "Illegal number of parameters"
fi
Or
if test "$#" -ne 1; then
echo "Illegal number of parameters"
fi
Suggestions
When in Bash,...
How to escape a JSON string containing newline characters using JavaScript?
...ring in which a value is having new line character. This has to be escaped and then posted using AJAX call. Can any one suggest a way to escape the string with JavaScript. I am not using jQuery.
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What is the difference between match_parent and fill_parent?
I'm a little confused about two XML properties: match_parent and fill_parent . It seems that both are the same. Is there any difference between them?
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When to use a linked list over an array/array list?
I use a lot of lists and arrays but I have yet to come across a scenario in which the array list couldn't be used just as easily as, if not easier than, the linked list. I was hoping someone could give me some examples of when the linked list is notably better.
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ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
I installed LAMP on Ubuntu 12.04 LTS (Precise Pangolin) and then set root password on phpMyAdmin . I forgot the password and now I am unable to login. When I try to change password through terminal I get:
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