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How can I pair socks from a pile efficiently?
...heck whether two socks come in pair. Pick one of the O(n log n) comparison-based sorting algorithms.
However in real life when the number of socks is relatively small (constant), these theoretically optimal algorithms wouldn't work well. It might take even more time than sequential search, which th...
How to REALLY show logs of renamed files with git?
...ing not only for the user,
but also for git commands that make decisions based on rename
information, e.g. 'git log --follow other-dir/A/file' follows
'dir/B/file' past the rename.
This behavior is a side effect of commit v2.0.0-rc4~8^2~14
(diffcore-rename.c: simplify finding exact rena...
Integrating the ZXing library directly into my Android application
... work it's magic [having issues?]
Enter Eclipse -> new Android Project, based on the android folder in the directory you just extracted
Right-click project folder -> Properties -> Java Build Path -> Library -> Add External JARs...
Navigate to the newly extracted folder and open the co...
How Python web frameworks, WSGI and CGI fit together
...tdout and stderr to signify end of response.
WSGI is an interface that is based on the CGI design pattern. It is not necessarily CGI -- it does not have to fork a subprocess for each request. It can be CGI, but it doesn't have to be.
WSGI adds to the CGI design pattern in several important ways....
What is the fastest integer division supporting division by zero no matter what the result is?
...pular question and answer, I'll elaborate a bit more. The above example is based on programming idiom that a compiler recognizes. In the above case a boolean expression is used in integral arithmetic and the use of condition flags are invented in hardware for this purpose. In general condition flags...
How do you validate a URL with a regular expression in Python?
...{2}))+)(?:,(?:(?:[a-zA-Z\d$\-_.+!*'(),]|(?:%[a-f
A-F\d]{2}))+))*)?)(?:\?(?:base|one|sub)(?:\?(?:((?:[a-zA-Z\d$\-_.+!*'(
),;/?:@&=]|(?:%[a-fA-F\d]{2}))+)))?)?)?)|(?:(?:z39\.50[rs])://(?:(?:(?
:(?:(?:[a-zA-Z\d](?:(?:[a-zA-Z\d]|-)*[a-zA-Z\d])?)\.)*(?:[a-zA-Z](?:(?
:[a-zA-Z\d]|-)*[a-zA-Z\d])?))|(?:(...
Are there good reasons not to use an ORM? [closed]
... in my opinion, which is that using an object relational mapper to the database can ease development quite a lot. The other coders in the development team are much more experienced than me, so I think I will just do what they say. :-)
...
What does OSGi solve?
...Gi , but I don't really see the big picture. It says that it's a component-based platform, and that you can reload modules at runtime. Also the "practical example" given everywhere is the Eclipse Plugin Framework.
...
How can I prevent SQL injection in PHP?
...d queries. These are SQL statements that are sent to and parsed by the database server separately from any parameters. This way it is impossible for an attacker to inject malicious SQL.
You basically have two options to achieve this:
Using PDO (for any supported database driver):
$stmt = $pdo-&g...
How do I drop a foreign key in SQL Server?
...p CONSTRAINT ' + @ConstraintName)
It will delete foreign Key Constraint based on specific table and column.
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