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Creating a left-arrow button (like UINavigationBar's “back” style) on a UIToolbar
...ows by googling either Unicode Triangles or Unicode Arrows. Starting with iOS6 Apple changed the character to be an emoji character with a border. To disable the border I add the 0xFE0E Unicode Variation Selector.
NSString *backArrowString = @"\U000025C0\U0000FE0E"; //BLACK LEFT-POINTING TRIANGLE ...
How should I structure a Python package that contains Cython code
...at it is affecting the building of package.
– Martinsos
Feb 17 '17 at 9:22
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Sublime text 2 - find and replace globally ( all files and in all directories )
...e is Multiple Files search and replace.
Press ctrlshiftF (cmdshiftF on MacOS):
In the Where field you can also add filters to search only folders and files that you need. If nothing is set, the search is made on all files listed in the sidebar.
If you double click on a line of the search result...
Why would you use Oracle database? [closed]
I'm curious for technical reasons why you choose Oracle database versus the latest flavors of:
1) Microsoft SQL Server
2) MySQL
3) PostgreSQL
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Search and replace in Vim across all the project files
...m looking for the best way to do search-and-replace (with confirmation) across all project files in Vim. By "project files" I mean files in the current directory, some of which do not have to be open.
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How can I programmatically get the MAC address of an iphone
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NOTE As of iOS7, you can no longer retrieve device MAC addresses. A fixed value will be returned rather than the actual MAC
Somthing I stumbled across a while ago. Originally from here I modified it a bit and cleaned things up.
IPA...
How do I find out which DOM element has the focus?
... Any element can have focus. If a document has 4 'scrolldivs', 0 or 1 of those divs is scrollable by arrow keys. If you click one, that div is focused. If you click outside all, the body is focused. How do you find out which scrolldiv is focused? jsfiddle.net/rudiedirkx/bC5ke/show (check console)
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How to jump directly to a column number in Vim
Sometimes for debugging purposes I have to do the exciting job of wading through minified javascript code. The lines are upto 600 columns wide. The exception reporting library is kind enough to provide me the exact crash coordinates in the form of line number and column number. However I can't find ...
Execute a terminal command from a Cocoa app
... pipe;
[task launch];
NSData *data = [file readDataToEndOfFile];
[file closeFile];
NSString *grepOutput = [[NSString alloc] initWithData: data encoding: NSUTF8StringEncoding];
NSLog (@"grep returned:\n%@", grepOutput);
NSPipe and NSFileHandle are used to redirect the standard output of the task...
How to define optional methods in Swift protocol?
Is it possible in Swift? If not then is there a workaround to do it?
19 Answers
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