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What is the definition of “interface” in object oriented programming
...f which implementant the correct interface. Other classes would produce an error upon building the code.
Here I noticed the blueprint analogy you used:
A class is commonly seen as a blueprint for an object. An Interface specifies something that a class will need to do, so one could argue that it i...
Android Camera : data intent returns null
...ile = createImageFile();
} catch (IOException ex) {
// Error occurred while creating the File
}
startActivityForResult(intent, REQUEST_TAKE_PHOTO);
}
}
@Override
protected void onActivityResult(int requestCode, int resultcode, Intent intent) {
if (reques...
Rollback a Git merge
... How to avoid Mainline was specified but commit 1234xyz is not a merge error.
– Achal
Jan 17 at 11:46
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Batch file include external file for variables
... versatile. However, arbitrary code can run there and if there is a syntax error, then your main batch will exit too. In the UNIX world this seems to be fairly common, especially for shells. And if you think about it, autoexec.bat is nothing else.
Key/value pairs
Another way would be some kind of va...
What are the Web.Debug.config and Web.Release.Config files for?
...g the CS named "test"
When executing the application gives the following error:
The connection name 'test' was not found in the applications configuration or the connection string is empty.
In other words, because the connection string elements are in the Release/Debug designer files and use...
How to split a column into two columns?
...tolist method will return this value as is (NaN) which will result in ValueError (to overcome this issue you can cast it to string type before splitting). I recommend you to try it on your own it's the best way of learning :-)
– Nerxis
Dec 18 '19 at 8:07
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Visual Studio keyboard shortcut to automatically add the needed 'using' statement
...ntrating on making the editor smarter, keyboard shortcuts easier, and code/error checking and evaluation better - the days of a dumb editor leaving you to google a class to find out in which library it resides are gone (or should be in any case) for most of us.
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How to get file creation & modification date/times in Python?
...
try:
return stat.st_birthtime
except AttributeError:
# We're probably on Linux. No easy way to get creation dates here,
# so we'll settle for when its content was last modified.
return stat.st_mtime
...
Adding iOS UITableView HeaderView (not section header)
...untime warning: "no index path for table cell being reused". To avoid this error, reference link
– baskInEminence
Sep 2 '16 at 18:16
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Blocks and yields in Ruby
...> "Hello"
I don't have 1.9 on this machine so the above might have an error in it.
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