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Python name mangling
... see some of them.
Python has properties
Most OO languages today use the opposite approach: what should not be used should not be visible, so attributes should be private. Theoretically, this would yield more manageable, less coupled classes, because no one would change values inside the objects r...
Table Naming Dilemma: Singular vs. Plural Names [closed]
... like "Widget_Users" (where "Widget" is the name of your application or website) would be more appropriate.
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SQL select join: is it possible to prefix all columns as 'prefix.*'?
...result set for a list of columns in a scripting language such as Python or PHP.
SELECT '' as table1_dummy, table1.*, '' as table2_dummy, table2.*, '' as table3_dummy, table3.* FROM table1
JOIN table2 ON table2.table1id = table1.id
JOIN table3 ON table3.table1id = table1.id
I realize this doesn't ...
SQLite - UPSERT *not* INSERT or REPLACE
...nstruct:
WITH new (name, title, author) AS ( VALUES('about', 'About this site', 42) )
INSERT OR REPLACE INTO page (id, name, title, content, author)
SELECT old.id, new.name, new.title, old.content, new.author
FROM new LEFT JOIN page AS old ON new.name = old.name;
The exact form of this query ...
Facebook Graph API v2.0+ - /me/friends returns empty, or only friends who also use my application
... && l.GetAttributeValue("data-hovercard").Contains("user.php")
&& l.Text != null
).LastOrDefault();
if (lastLink == null || previousLastLink == lastLink)
{
break;
}
var ieElement = lastLink.Native...
What's the difference between “groups” and “captures” in .NET regular expressions?
... Yes, non capturing grouping is faster, but again, the subject here is the opposite. Why greedy is faster than lazy is explained in many texts online and by friedl's book, but OT here. Maybe the other question (which?) was not a true duplicate?
– Abel
Feb 28 '1...
Is there anything like .NET's NotImplementedException in Java?
...ve the word "yet" in the class name. Also, an IDE can easily list the call sites.
With the deprecation warning at each call site, your IDE and static code analysis tool can remind you where you still have to implement something. (This use of deprecation may feel wrong to some, but in fact deprecatio...
python setup.py uninstall
...tory, e.g. /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/my_module-0.1.egg/ on macOS. It has no files, but Python will still import an empty module:
>>> import my_module
>>> my_module.__file__
None
Once deleted, Python shows:
>>> import ...
How do I use CSS in Django?
... media files in the template -- say, an image inside an image folder from /site_media/images/foo.gif.
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SAML vs federated login with OAuth
...d Hertz. There is no shared set of credentials that can take you from one site to another, but lets say Hertz wants to offer a "deal" to US Airways. (Granted I know this is an extreme example, but bear with me). After buying a flight, they will offer a free rental car to its Chairman members. US A...