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Converting java.util.Properties to HashMap
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If some key or value is not a String it will produce a ClassCastException error. With current Properties implementation this is very unlikely to happen, as long as you don't use the mutable call methods from the super Hashtable<Object,Object> of Properties.
So, if don't do nasty things with ...
Difference between := and = operators in Go
...n't use them twice (in the same scope):
legal := 42
legal := 42 // <-- error
Because, := introduces "a new variable", hence using it twice does not redeclare a second variable, so it's illegal.
★ 3rd Rule:
You can use them for multi-variable declarations and assignments:
foo, bar := 4...
Reduce, fold or scan (Left/Right)?
When should I use reduceLeft , reduceRight , foldLeft , foldRight , scanLeft or scanRight ?
3 Answers
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Abstract functions in Swift Language
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or fatalError("This method must be overridden")
– nathan
Jun 8 '14 at 20:20
5
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Sublime as default editor
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This is erroring out with "The Application was unable to start" for me Findekano on Windows 7 64 bit with Sublime Text 3. @Tim Lewis thanks this works great!
– anon58192932
May 22 '14 at 3:42
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Convert sqlalchemy row object to python dict
...ant corrections from comments to that answer) seems both more succinct and error-proof.
– kilgoretrout
Jul 30 '16 at 20:44
15
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Disable individual Python unit tests temporarily
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unittest.skip (without reason) gives me error in Python 2 but not in Python 3.
– Akif
Feb 27 '17 at 9:35
add a comment
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Ask for User Permission to Receive UILocalNotifications in iOS 8
...starting from iOS7. So, when I run this code on an iOS7 device, I get this error: dyld: Symbol not found: _OBJC_CLASS_$_UIUserNotificationSettings. Is there any other way in Swift to ask user for permissions in order to work in iOS7? please help.
– Raghavendra
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Return first N key:value pairs from dict
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I tried you code but I get this error: TypeError: 'dict_items' object is not subscriptable {key:value for key,value in stocks.items()[0:n]} (stocks is the name of my dictionary)
– Moondra
Feb 25 '17 at 19:46
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Correct use for angular-translate in controllers
...ive is deciding to not to watch value. Also as a separate issue, my custom error handler gets called if key is not found, but it doesn't display the returned string. I will make another plunk for it.
– Nilesh
Jun 12 '14 at 18:05
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