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Interfaces — What's the point?
...s from IPizza is guaranteed to be orderable, as it has an Order() method.
Python is not statically-typed, therefore types are kept and looked up at runtime. So you can try calling an Order() method on any object. The runtime is happy as long as the object has such a method and probably just shrugs ...
How to change the Text color of Menu item in Android?
...ndroid:color/primary_text_dark</item>
</style>
in styles.xml change the style of list-items but not menu items.
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How does functools partial do what it does?
...or keyword argument 'a'
another use case: writing distributed code using python's multiprocessing library. A pool of processes is created using the Pool method:
>>> import multiprocessing as MP
>>> # create a process pool:
>>> ppool = MP.Pool()
Pool has a map method,...
Eclipse - Unable to install breakpoint due to missing line number attributes
...Generation, all options have to be to True.
Made debug="true" in the build.xml <javac> task.
Deploy application in the tomcat by the war generated by ant
Restarted the Tomcat in Debug mode
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Maven build failed: “Unable to locate the Javac Compiler in: jre or jdk issue”
...s Using A Different JDK, you will have to set the fork to true in your pom.xml file.
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How do I install cygwin components from the command line?
...arate them with commas. e.g. in DOS, type setup-x86_64 --packages="openssh,python"
– Michael Scheper
Mar 19 '14 at 23:00
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How do I execute inserts and updates in an Alembic upgrade script?
... the official documentation, because it allows the use of agnostic SQL and pythonic writing and is also self-contained. SQLAlchemy Core is the best of both worlds for migration scripts.
Here is an example of the concept:
from sqlalchemy.sql import table, column
from sqlalchemy import String
from a...
How to write an XPath query to match two attributes?
...
Sample XML:
<X>
<Y ATTRIB1=attrib1_value ATTRIB2=attrib2_value/>
</X>
string xPath="/" + X + "/" + Y +
"[@" + ATTRIB1 + "='" + attrib1_value + "']" +
"[@" + ATTRIB2 + "='" + attrib2_value + "']"
XPath Testbed:
...
Unique (non-repeating) random numbers in O(1)?
...roposed standard method to achieve this. I've experimented with some basic Python code which is based on the AES-FFX idea, although not fully conformant--see Python code here. It can e.g. encrypt a counter to a random-looking 7-digit decimal number, or a 16-bit number. Here is an example of radix 10...
what is reverse() in Django
...yers where URLs are needed: In templates: Using the url
template tag. In Python code: Using the reverse() function. In higher
level code related to handling of URLs of Django model instances: The
get_absolute_url() method.
Eg. in templates (url tag)
<a href="{% url 'news-year-archive' 20...