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Why doesn't Java allow to throw a checked exception from static initialization block?
... you could surround them with try-catch.
Because you cannot handle any error indicated by a checked exception, it was decided to disallow throwing of checked exceptions static blocks.
The static block must not throw checked exceptions but still allows unchecked/runtime-exceptions to be thrown. But...
PHP expects T_PAAMAYIM_NEKUDOTAYIM?
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It’s the double colon operator :: (see list of parser tokens).
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Update one MySQL table with values from another
I'm trying to update one MySQL table based on information from another.
2 Answers
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What is the difference between Modal and Push segue in Storyboards?
...e is adding another VC to the navigation stack. This assumes that VC that originates the push is part of the same navigation controller that the VC that is being added to the stack belongs to. Memory management is not an issue with navigation controllers and a deep stack. As long as you are takin...
Singletons vs. Application Context in Android?
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I very much disagree with Dianne Hackborn's response. We are bit by bit removing all singletons from our project in favor of lightweight, task scoped objects which can easiliy be re-created when you actually need them.
Singletons are a nightmare for testing and,...
Rename multiple files in a directory in Python [duplicate]
I'm trying to rename some files in a directory using Python.
15 Answers
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Why are #ifndef and #define used in C++ header files?
...dited May 7 '17 at 12:02
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
answered Oct 31 '09 at 10:09
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Should accessing SharedPreferences be done off the UI Thread?
...ad you're already playing with it!
Some things to note: (in lazy bullet form)
if this is the worst of your problems, your app's probably in a good spot. :) Writes are generally slower than reads, though, so be sure you're using SharedPreferenced$Editor.apply() instead of commit(). apply() is ...
How to calculate the angle between a line and the horizontal axis?
...tc) I need to determine how to calculate the angle between a line and the horizontal axis?
9 Answers
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Scanner vs. BufferedReader
...ods of reading character-based data from a file in Java is using Scanner or BufferedReader . I also know that the BufferedReader reads files efficiently by using a buffer to avoid physical disk operations.
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