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How does type Dynamic work and how to use it?
..., it is just a marker interface - the concrete implementation is filled-in by the compiler. As for Scalas String Interpolation feature there are well defined rules describing the generated implementation. In fact, one can implement four different methods:
selectDynamic - allows to write field acce...
Why can I use auto on a private type?
...from_Baz; to the class Foo in the question. Now the type can be identified by a public name, despite being defined in a private section of the class.
– Steve Jessop
Nov 23 '12 at 16:36
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How to repair a serialized string which has been corrupted by an incorrect byte count length?
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Notice: unserialize() [function.unserialize]: Error at offset 337 of 338 bytes
Recalculating
$data = preg_replace('!s:(\d+):"(.*?)";!e', "'s:'.strlen('$2').':\"$2\";'", $data);
var_dump(unserialize($data));
Output
array
'submit_editorial' => boolean false
'submit_orig_url' => stri...
What is difference between Errors and Exceptions? [duplicate]
...arseException, etc. A programmer is expected to check for these exceptions by using the try-catch block or throw it back to the caller
On the other hand we have unchecked exceptions. These are those exceptions that might not happen if everything is in order, but they do occur. Examples include Arr...
What does the Q_OBJECT macro do? Why do all Qt objects need this macro?
...) classes. According to the C++ standard, it introduces undefined behavior by declaring several member functions and variables that never get defined. It also pollutes your class's namespace with QObject-specific members. E.g. a Q_OBJECT may well break an unrelated class that happens to contain a me...
Difference between Document-based and Key/Value-based databases?
...lean values.
Querying
I believe column-family stores can only be queried by key, or by writing map-reduce functions. You cannot query the values like you would in an SQL database. If your application needs more complex queries, your application will have to create and maintain indexes in order to ...
Where can I find “make” program for Mac OS X Lion?
...m the app store, you might notice the command line tools are not installed by default. Open Xcode, go to preferences, click to the "downloads" tab, and from there you can download and install command line tools.
share
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keytool error :java.io.IoException:Incorrect AVA format
...same like your error. In my case, I used a + sign before the country code. By removing the + sign from this name fixed the problem and allowed me to fully export my signed .apk file.
Also, this error can occur when use comma,slash, semi-colon, quotation.
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Finishing current activity from a fragment
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As mentioned by Jon F Hancock, this is how a fragment can 'close' the activity by suggesting the activity to close. This makes the fragment portable as is the reason for them. If you use it in a different activity, you might not want to...
What is the purpose of class methods?
... way. The most interesting thing about them is that they can be overridden by subclasses, something that's simply not possible in Java's static methods or Python's module-level functions.
If you have a class MyClass, and a module-level function that operates on MyClass (factory, dependency injectio...