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How to Implement Custom Table View Section Headers and Footers with Storyboard
...bel to the header cell
set the tag of the label to a specific number (e.g. 123)
In your tableView:viewForHeaderInSection: method get the label by calling:
UILabel *label = (UILabel *)[headerView viewWithTag:123];
Now you can use the label to set a new title:
[label setText:@"New Titl...
How far can memory leaks go?
... to accept connections may take minutes to become free, even if properly closed by the program. A networked program may also hold remote resources such as database objects. The remote system should free those resources when the network connection is lost, but it may take even longer than the local o...
How to escape os.system() calls?
When using os.system() it's often necessary to escape filenames and other arguments passed as parameters to commands. How can I do this? Preferably something that would work on multiple operating systems/shells but in particular for bash.
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How to remove files and directories quickly via terminal (bash shell) [closed]
...rm -rf.
Also note that what you're learning applies to bash on every Unix OS: OS X, Linux, FreeBSD, etc. In fact, rm's syntax is the same in pretty much every shell on every Unix OS. OS X, under the hood, is really a BSD Unix system.
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How are everyday machines programmed?
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Most of what you're talking about are embedded based systems where C is a luxury often not available. They don't have software in the traditional sense. Most of the time the software is written in C, assembly, or even machin...
Xcode 4 - slow performance
...move the workspace file they can control-click on their xcodeproj file, choose 'show package contents', and then delete or move the .xcworkspace file.
– Erik Asmussen
Jul 8 '11 at 11:53
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Is it possible to have a Subversion repository as a Git submodule?
Is there a way to add a Subversion repository as a Git submodule in my Git repository?
6 Answers
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How can I tell if one commit is a descendant of another commit?
...other way would be to use git log and grep.
git log --pretty=format:%H abc123 | grep def456
This will produce one line of output if commit def456 is an ancestor of commit abc123, or no output otherwise.
You can usually get away with omitting the --pretty argument, but it is needed if you want to...
Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?
... what the relevant properties are that we're looking for. Looking at your post, I suggest:
What time is measured by the clock? (real, user, system, or, hopefully not, wall-clock?)
What is the precision of the clock? (s, ms, µs, or faster?)
After how much time does the clock wrap around? Or is the...
Random hash in Python
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I would've used os.urandom because wanting an MD5 hash might mean wanting a secure one.
– Unknown
Jun 11 '09 at 22:58
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