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Setting custom UITableViewCells height
...ns to using tableView:heightForRowAtIndexPath: instead of rowHeight. Every time a table view is displayed, it calls tableView:heightForRowAtIndexPath: on the delegate for each of its rows, which can result in a significant performance problem with table views having a large number of rows (approxima...
How do you convert a time.struct_time object into a datetime object?
How do you convert a Python time.struct_time object into a datetime.datetime object?
3 Answers
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How to automatically add user account AND password with a Bash script?
... the variables.
The above command passes the password and a new line, two times, to passwd, which is what passwd requires.
If not using variables, I think this probably works.
echo -e 'password\npassword\n' | sudo passwd username
Single quotes should suffice here.
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Hidden features of Windows batch files
...indows Explorer in the "some_directory" folder.
I have found this a great time-saver.
share
answered Oct 29 '08 at 2:54
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Can you configure log4net in code instead of using a config file?
...er must work now");
// and remove it later if this code executed multiple times (loggers are cached, so you'll get logger with your appender attached next time "MyLogger")
((log4net.Repository.Hierarchy.Logger)logger).RemoveAppender(sbAppender);
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Why is “throws Exception” necessary when calling a function?
...ause for all classes. Specifically, classes that are either an Error or RuntimeException or any of the subclasses of these two. In your case Exception is not a subclass of an Error or RuntimeException. So, it is a checked exception and must be specified in the throws clause, if you don't handle that...
What differences, if any, between C++03 and C++11 can be detected at run-time?
It is possible to write a function, which, when compiled with a C compiler will return 0, and when compiled with a C++ compiler, will return 1 (the trivial sulution with
#ifdef __cplusplus is not interesting).
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error: 'Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)' — Miss
... with the path to the socket file:
socket=/var/lib/mysql/mysql.sock
Sometimes the system startup script that launched the command line executable specifies a flag --socket=path. This flag could override the my.cnf location, and that would result in a socket not being found where the my.cnf file i...
Remove leading and trailing spaces?
I'm having a hard time trying to use .strip with the following line of code.
4 Answers
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How to check a not-defined variable in JavaScript
...or undefined without using typeof as undefined has been read-only for some time.
If you want to know if a member exists independent but don't care what its value is:
if ('membername' in object) // With inheritance
if (object.hasOwnProperty('membername')) // Without inheritance
If you want to to ...