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How to mkdir only if a directory does not already exist?
...st to see that the directory does not exist, or suppress the "File exists" error that mkdir throws when it tries to create an existing directory.
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How to document a method with parameter(s)?
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Error: request entity too large
I'm receiving the following error with express:
19 Answers
19
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Is Big O(logn) log base e?
...ary search tree type of data structures, I see the Big O notation is typically noted as O(logn). With a lowercase 'l' in log, does this imply log base e (n) as described by the natural logarithm? Sorry for the simple question but I've always had trouble distinguishing between the different implie...
The calling thread must be STA, because many UI components require this
...erous other places. Any idea why only one of those places is throwing this error?
– Paul McCarthy
Mar 20 at 11:35
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Can I load a UIImage from a URL?
...8033f1da3e1_raw_1087fae1932cec8837695934b7eb1250_raw.jpg");
var err: NSError?
var imageData :NSData = NSData.dataWithContentsOfURL(url,options: NSDataReadingOptions.DataReadingMappedIfSafe, error: &err)
var bgImage = UIImage(data:imageData)
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Is it okay to use now?
I'm working on a mobile phone web app and I have several text fields that could benefit from <input type="tel"/> . iPhones will adjust the keyboard for the user, but I'm worried about breaking backwards compatibility. What I'm hoping is that browsers/phone that support this can assist the use...
Get exception description and stack trace which caused an exception, all as a string
...ly the format_exc() function. Here.
import traceback
try:
raise ValueError
except ValueError:
tb = traceback.format_exc()
else:
tb = "No error"
finally:
print tb
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SSL Error When installing rubygems, Unable to pull data from 'https://rubygems.org/
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Running rvm rubygems latest resulted in an error complaining about missing checksums. However, things started working without that too... apparently you could force it with --verify-downloads 1 if you needed to. Any ideas why that might be? It tried to retrieve versio...