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How to create a protocol with methods that are optional?
...hod before attempting to call it.
As an example, the pie chart view might test for the segment title method like this:
NSString *thisSegmentTitle;
if ([self.dataSource respondsToSelector:@selector(titleForSegmentAtIndex:)]) {
thisSegmentTitle = [self.dataSource titleForSegmentAtIndex:index];
}...
How to convert wstring into string?
... The above code gives (as copied) gives me a *** glibc detected *** test: malloc(): smallbin double linked list corrupted: 0x000000000180ea30 *** on linux 64-bit (gcc 4.7.3). Anybody else experiencing this?
– hogliux
Nov 10 '13 at 12:22
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How to detect if app is being built for device or simulator in Swift
...6_64)) && os(iOS)
...
#endif
After Swift 4.1 version
Latest use, now directly for all in one condition for all types of simulators need to apply only one condition -
#if targetEnvironment(simulator)
// your simulator code
#else
// your real device code
#endif
For more cla...
API Versioning for Rails Routes
I'm trying to version my API like Stripe has. Below is given the latest API version is 2.
7 Answers
...
Can vim monitor realtime changes to a file
...
I was testing in terminal, after I used gvim (MacVim GUI) the function began to work! As you mentioned though, I need to focus gvim to update the content. Do you have any trick to update it even without focusing? Thanks for your he...
How to empty/destroy a session in rails?
....clear
or
if specific keys have to be destroyed:
session.delete(key)
Tested in rails 3.2
added
People have mentioned by session={} is a bad idea. Regarding session.clear, Lobati comments- It looks like you're probably better off using reset_session [than session.clear], as it does some oth...
mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to
...ll return false from their respective query functions/methods. You need to test for that error condition and handle it accordingly.
mysql_* extension:
NOTE The mysql_ functions are deprecated and have been removed in php version 7.
Check $result before passing it to mysql_fetch_array. You'll ...
In Python, how can you load YAML mappings as OrderedDicts?
...
has anyone tested this code properly? I can not get it to work in my application!
– theAlse
Jun 4 '13 at 7:03
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How to reuse existing C# class definitions in TypeScript projects
...to work with, but it was a small price to pay for being able to modify and test code in VS and then 'compile' it to Javascript via TypeScript.
– John Mott
Oct 15 '17 at 19:16
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How to pretty print nested dictionaries?
... you can do whatever you want with it.
The class and the function has been tested and works with Python 2.7 and 3.4.
You can have all type of objects inside, this is their representations and not theirs contents that being put in the result (so string have quotes, Unicode string are fully represente...