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Background task, progress dialog, orientation change - is there any 100% working solution?
...changes, Activity is restarted and then my AsyncTask is completed - I want to dismiss the progess dialog and start a new Activity. But calling dismissDialog sometimes throws an exception (probably because the Activity was destroyed and new Activity hasn't been started yet).
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Only variables should be passed by reference
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Assign the result of explode to a variable and pass that variable to end:
$tmp = explode('.', $file_name);
$file_extension = end($tmp);
The problem is, that end requires a reference, because it modifies the internal representation of the array (i.e. i...
How can I cast int to enum?
How can an int be cast to an enum in C#?
31 Answers
31
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Why Java needs Serializable interface?
We work heavily with serialization and having to specify Serializable tag on every object we use is kind of a burden. Especially when it's a 3rd-party class that we can't really change.
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How do you Encrypt and Decrypt a PHP String?
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Before you do anything further, seek to understand the difference between encryption and authentication, and why you probably want authenticated encryption rather than just encryption.
To implement authenticated encryption, you want to Encrypt then MAC. The orde...
Differences between distribute, distutils, setuptools and distutils2?
I’m trying to port an open-source library to Python 3. ( SymPy , if anyone is wondering.)
5 Answers
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What uses are there for “placement new”?
Has anyone here ever used C++'s "placement new"? If so, what for? It looks to me like it would only be useful on memory-mapped hardware.
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How to flush output of print function?
How do I force Python's print function to output to the screen?
13 Answers
13
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IF statement: how to leave cell blank if condition is false (“” does not work)
I would like to write an IF statement, where the cell is left blank if the condition is FALSE.
Note that, if the following formula is entered in C1 ( for which the condition is false ) for example:
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Visual Studio 2010 shortcut to find classes and methods?
Is there any shortcut in Visual studio 2010 to find classes/interfaces?
7 Answers
7
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