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NSNotificationCenter addObserver in Swift
...erver(self, selector: #selector(YourClassName.methodOfReceivedNotification(_:)), name:"NotificationIdentifier", object: nil)
Method handler for received Notification
func methodOfReceivedNotification(notification: NSNotification){
// Take Action on Notification
}
For historic Xcode versio...
How to get the current time in milliseconds from C in Linux?
...
This can be achieved using the POSIX clock_gettime function.
In the current version of POSIX, gettimeofday is marked obsolete. This means it may be removed from a future version of the specification. Application writers are encouraged to use the clock_gettime functi...
Django - how to create a file and save it to a model's FileField?
...nteract with the underlying file. So, what you need to do is:
self.license_file.save(new_name, new_contents)
where new_name is the filename you wish assigned and new_contents is the content of the file. Note that new_contents must be an instance of either django.core.files.File or django.core.fil...
When is the @JsonProperty property used and what is it used for?
...ect. Suppose there is an object:
public class Parameter {
public String _name;
public String _value;
}
The serialization of this object is:
{
"_name": "...",
"_value": "..."
}
The name of variable is directly used to serialize data. If you are about to remove system api from system im...
Looping through localStorage in HTML5 and JavaScript
... @JuanCarlosAlpizarChinchilla there is no 'toString' in the code so ¯_(ツ)_/¯. As pointed in comment above, works fine in all recent browsers.
– jtblin
Jul 22 '16 at 1:00
...
Left Align Cells in UICollectionView
...orCellWithReuseIdentifier: "Cell")
}
override func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
return array.count
}
override func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -...
Which characters make a URL invalid?
...racters:
ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~:/?#[]@!$&'()*+,;=
Note that this list doesn't state where in the URI these characters may occur.
Any other character needs to be encoded with the percent-encoding (%hh). Each part of the URI has further restrictions...
What is the proper way to comment functions in Python?
...odule, function, class, or method definition. Such a docstring becomes the __doc__ special attribute of that object.
All modules should normally have docstrings, and all functions and classes exported by a module should also have docstrings. Public methods (including the __init__ constructor) s...
How can I specify working directory for popen
...wd, import os and define cwd using this:
os.path.dirname(os.path.realpath(__file__))
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Task not serializable: java.io.NotSerializableException when calling function outside closure only o
...t 2013 presentation.
As a side note, you can rewrite rddList.map(someFunc(_)) to rddList.map(someFunc), they are exactly the same. Usually, the second is preferred as it's less verbose and cleaner to read.
EDIT (2015-03-15): SPARK-5307 introduced SerializationDebugger and Spark 1.3.0 is the first ...