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UTF-8, UTF-16, and UTF-32
...es these into 8 bits (like ASCII). It is also advantageous in that a UTF-8 file containing only ASCII characters has the same encoding as an ASCII file.
UTF-16 is better where ASCII is not predominant, since it uses 2 bytes per character, primarily. UTF-8 will start to use 3 or more bytes for the h...
What resources are shared between threads?
...xt and data, as well as other resources. These
resource may include open files, child processes, pending alarms,
signal handlers, accounting information, and more. By putting them
together in the form of a process, they can be managed more easily.
The other concept a process has is a thread ...
How to add property to a class dynamically?
...2
>>> c.c
3
>>> c.d
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AttributeError: 'C' object has no attribute 'd'
>>> c.d = 42
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<stdin>"...
How do you specify the date format used when JAXB marshals xsd:dateTime?
...dapter(DateAdapter.class)
protected Date timestamp;
Using a xjb binding file:
<xjc:javaType name="java.util.Date" xmlType="xs:dateTime"
adapter="com.example.DateAdapter"/>
will produce the above mentioned annotation.
(By eventually adding the xjc namespace: xmlns:xjc="http://java...
How do exceptions work (behind the scenes) in c++
...g++ -m32 -W -Wall -O3 -save-temps -c, and looked at the generated assembly file.
.file "foo.cpp"
.section .text._ZN11MyExceptionD1Ev,"axG",@progbits,_ZN11MyExceptionD1Ev,comdat
.align 2
.p2align 4,,15
.weak _ZN11MyExceptionD1Ev
.type _ZN11MyExceptionD1Ev, @function
...
What scalability problems have you encountered using a NoSQL data store? [closed]
...traceback-logger with it. The new logger only consisted of a single python file, which provided a bug list with sorting and filter options and a submit page. And in the background I've started a CouchDB process. The new software responded extremely quickly to all requests and we were able to view th...
Is there a standard way to list names of Python modules in a package?
...ENSIONS = ('.py', '.pyc', '.pyo')
def package_contents(package_name):
file, pathname, description = imp.find_module(package_name)
if file:
raise ImportError('Not a package: %r', package_name)
# Use a set because some may be both source and compiled.
return set([os.path.split...
Purpose of Activator.CreateInstance with example?
.... Think of a game where you want to store your level and enemies in an XML file. When you parse this file, you might have an element like this.
<Enemy X="10" Y="100" Type="MyGame.OrcGuard"/>
what you can do now is, create dynamically the objects found in your level file.
foreach(XmlNode no...
Difference between static memory allocation and dynamic memory allocation
...ize is fixed when the program is created. It applies to global variables, file scope variables, and variables qualified with static defined inside functions.
Automatic memory allocation occurs for (non-static) variables defined inside functions, and is usually stored on the stack (though the C sta...
Is there a built-in function to print all the current properties and values of an object?
... ...
'zip': <built-in function zip>},
'__file__': 'pass.py',
'__name__': '__main__'}
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