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PHP Fatal error: Using $this when not in object context
...
@Sarfraz No offense, but it is still wrong. You can call an instance method with ::. It is against E_STRICT, but it does work as long as the method body does not reference the instance scope, e.g. uses $this. Also, self::foo will not point to $this->foo. It references a clas...
Java Serializable Object to Byte Array
...Object);
out.flush();
byte[] yourBytes = bos.toByteArray();
...
} finally {
try {
bos.close();
} catch (IOException ex) {
// ignore close exception
}
}
Create an object from a byte array:
ByteArrayInputStream bis = new ByteArrayInputStream(yourBytes);
ObjectInput in = null;
tr...
Creation timestamp and last update timestamp with Hibernate and MySQL
...ate LocalDateTime createdOn;
@Column(name = "created_by")
private String createdBy;
@Column(name = "updated_on")
@UpdateTimestamp
private LocalDateTime updatedOn;
@Column(name = "updated_by")
private String updatedBy;
//Getters and setters omitted for brevity
}
...
What is the difference between '@' and '=' in directive scope in AngularJS?
...title1 or title="title1", the value of DOM attribute "title" is simply the string title1. If you use title="{{title}}", the value of the DOM attribute "title" is the interpolated value of {{title}}, hence the string will be whatever parent scope property "title" is currently set to. Since attribut...
How to maintain a Unique List in Java?
...used, which one shall I use? I just need to have maintain a list of unique strings. So basically even when an existing string is added it should actually get added.
– user1804287
Nov 6 '12 at 21:25
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Task vs Thread differences [duplicate]
I'm new to parallel programming. There are two classes available in .NET: Task and Thread .
4 Answers
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How to create directory automatically on SD card
...filename);
// now attach the OutputStream to the file object, instead of a String representation
FileOutputStream fos = new FileOutputStream(outputFile);
Note: It might be wise to use Environment.getExternalStorageDirectory() for getting the "SD Card" directory as this might change if a phone come...
Getting the index of the returned max or min item using max()/min() on a list
... values = [3,6,1,5], and need the index of the smallest element, i.e. index_min = 2 in this case.
Avoid the solution with itemgetter() presented in the other answers, and use instead
index_min = min(range(len(values)), key=values.__getitem__)
because it doesn't require to import operator nor to ...
How to get the absolute coordinates of a view
...reen/display
anyView.getGlobalVisibleRect(rectf);
Log.d("WIDTH :", String.valueOf(rectf.width()));
Log.d("HEIGHT :", String.valueOf(rectf.height()));
Log.d("left :", String.valueOf(rectf.left));
Log.d("right :", String.valueOf(rectf.right));
Log.d("top :", Strin...
Class.forName() vs ClassLoader.loadClass() - which to use for dynamic loading? [duplicate]
...hey are quite different!
As stated in the documentation for Class.forName(String),
Returns the Class object associated with the class or interface with the given string name. Invoking this method is equivalent to: Class.forName(className, true, currentLoader)
(true here refers to do you want...