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How to convert an NSString into an NSNumber
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For strings starting with integers, e.g., @"123", @"456 ft", @"7.89", etc., use -[NSString integerValue].
So, @([@"12.8 lbs" integerValue]) is like doing [NSNumber numberWithInteger:12].
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Join a list of items with different types as string in Python
...o combine list into a single string
a = map(str, a)
''.join(a)
'123'
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Android, getting resource ID from string?
...con", R.drawable.class); // or other resource class
I just found a blog post saying that Resources.getIdentifier() is slower than using reflection like I did. Check it out.
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Keep-alive header clarification
...tion is recognized by source IP and port and destination IP and port. Your OS, all intermediate session-aware devices and the server's OS will recognize the connection by this.
HTTP works with request-response: client connects to server, performs a request and gets a response. Without keep-alive, t...
App can't be opened because it is from an unidentified developer
I installed Mac OS X Mavericks (10.9) yesterday and since then I am not able to start my Eclipse. I am attaching a screenshot of the message I see.
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static files with express.js
... this is the equivalent in python of __file__ which you use with os.path.dirname(os.path.realpath(__file__))
– Abdelouahab
Nov 12 '14 at 1:28
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Redirect parent window from an iframe action
...o using this method rather than Javascript?
– flyingL123
Sep 17 '15 at 17:24
not that I know of. DO share if you find ...
Where can I find the error logs of nginx, using FastCGI and Django?
...figuration file:
error_log /var/log/nginx/nginx_error.log warn;
On Mac OS X with Homebrew, the log file was found by default at the following location:
/usr/local/var/log/nginx
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Inserting multiple rows in a single SQL query? [duplicate]
...le:
INSERT INTO MyTable
( Column1, Column2, Column3 )
VALUES
('John', 123, 'Lloyds Office'),
('Jane', 124, 'Lloyds Office'),
('Billy', 125, 'London Office'),
('Miranda', 126, 'Bristol Office');
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Meaning of Choreographer messages in Logcat [duplicate]
...ce.
Android view animations internally uses Choreographer for the same purpose: to properly time the animations and possibly improve performance.
Since Choreographer is told about every vsync events, it can tell if one of the Runnables passed along by the Choreographer.post* apis doesn't finish in o...