Markus Kirschner Pegolon

Full-fledged expert with almost three decades of software development expertise

Pegolon / ViewFactory.h

Created November 15, 2008 18:51

Header for ViewFactory

	@interface ViewFactory : NSObject {
	NSMutableDictionary * viewTemplateStore;
	}

	- (id) initWithNib:(NSString*)aNibName;

	- (UITableViewCell)cellOfKind:(NSString)theCellKind forTable:(UITableView*)aTableView;

	@end

Pegolon / ViewFactory.m

Created November 15, 2008 19:05

ViewFactory for using UITableViewCell in Interface Builder

	#import "ViewFactory.h"

	@implementation ViewFactory

	- (id) initWithNib:(NSString*)aNibName
	{
	if (self == [super init]) {
	viewTemplateStore = [[NSMutableDictionary alloc] init];
	NSArray * templates = [[NSBundle mainBundle] loadNibNamed:aNibName owner:self options:nil];
	for (id template in templates) {

Pegolon / gist:26462

Created November 19, 2008 08:46

hdiutil convert /path/to/filename.dmg -format UDTO -o /path/to/savefile.iso

Pegolon / A Liberal, Accurate Regex Pattern for Matching URLs

Created November 28, 2009 07:47

\b(([\w-]+://?|www[.])[^\s()<>]+(?:$[\w\d]+$|([^[:punct:]\s]|/)))

Pegolon / show_branch_prompt.sh

Created January 7, 2011 10:10

Shows the current branch of a git or mercurial repository as the last part of your command line prompt

	function parse_branch {
	local BRANCH=$(git branch --no-color 2> /dev/null \| sed -e '/^[^]/d' -e 's/ $.*$/(\1)/')
	if [ -z "$BRANCH" ]
	then
	BRANCH=$(hg branch 2>/dev/null)
	if [ -n "$BRANCH" ]
	then
	BRANCH="("$BRANCH")"
	fi
	fi

Pegolon / Repair a corrupt sqlite database

Created March 15, 2011 18:38

If you get an error like SQLite error code:11, 'database disk image is malformed' you can try to dump and reload the database with these commands

	cd "$DATABASE_LOCATION"
	echo '.dump'\|sqlite3 $DB_NAME\|sqlite3 repaired_$DB_NAME
	mv $DB_NAME corrupt_$DB_NAME
	mv repaired_$DB_NAME $DB_NAME

Pegolon / Count lines of code

Created March 29, 2011 12:19

Find all header and implementation files and count the loc

find Classes -name '*.[hmM]' -print0|xargs -0 wc -l

Pegolon / gist:1550345

Created January 2, 2012 11:26

Remove extra space from ObjC method signature

	Find: ^([+-] $.* \*$)( )
	Replace: \1

Pegolon / gist:1646742

Created January 20, 2012 11:14

Use a semaphore to block an asynchronous call

	__block dispatch_semaphore_t semaphore = dispatch_semaphore_create(0);

	[self callAsyncBlock:^() {
	// Do some work
	dispatch_semaphore_signal(semaphore);
	}];

	// Wait until the semaphore has been signaled
	dispatch_semaphore_wait(semaphore, DISPATCH_TIME_FOREVER);
	dispatch_release(semaphore);

Pegolon / gist:1851436

Created February 17, 2012 07:02

Showing clang predefined macros

	> find /Applications/Xcode.app -name clang
	# Pick one
	> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x c /dev/null -dM -E