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How do I pass extra arguments to a Python decorator?
...g functools.wraps is advisable -- it retains the original name, docstring, etc. of the wrapped function.
– AKX
Apr 16 '12 at 14:51
...
Import PEM into Java Key Store
... Hi Bruno, thanks for tips. The real use case is to import all entries of /etc/pki/tls/certs/ca-bundle.crt (RHEL/CentOS) in one go. AFAIK, keytool will only import the first entry. I've seen a number of people do this differently but it usually involves invoking keytool multiple times for each cert...
Why use Ruby instead of Smalltalk? [closed]
...rary of most of the main smalltalk implementations (VisualWorks, VisualAge etc.) was large and had reputation for a fairly steep learning curve. Most key functionality in Smalltalk is hidden away somewhere in the class library, even basic stuff like streams and collections. The language paradigm i...
Performance differences between debug and release builds
...ted by code that runs elsewhere. Reading a file, executing a dbase query, etc. Making the work the JIT optimizer does completely invisible. It doesn't mind though :)
The JIT optimizer is pretty reliable code, mostly because it has been put to the test millions of times. It is extremely rare to ...
Difference: std::runtime_error vs std::exception()
...of runtime error exceptions, such as std::range_error, std::overflow_error etc. You can define your own exception classes descending from std::runtime_error, as well as you can define your own exception classes descending from std::exception.
Just like std::runtime_error, standard library contains ...
map vs. hash_map in C++
...of O(N) when collisions are likely (bad hash fcn, loading factor too high, etc)
– KitsuneYMG
Feb 3 '10 at 6:25
A good ...
Do I cast the result of malloc?
... if it's not you who frees the memory but maybe a C library you are using, etc. Many possible problems without any gain.
– quinmars
Mar 4 '09 at 8:53
88
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git-diff to ignore ^M
... ^M characters no longer appear at the end of lines in git diff, git show, etc.
It appears to leave other settings as-is; for instance, extra spaces at the end of a line still show as errors (highlighted in red) in the diff.
(Other answers have alluded to this, but the above is exactly how to set ...
Converting between datetime, Timestamp and datetime64
...4.
Think of np.datetime64 the same way you would about np.int8, np.int16, etc and apply the same methods to convert beetween Python objects such as int, datetime and corresponding numpy objects.
Your "nasty example" works correctly:
>>> from datetime import datetime
>>> import n...
When should you NOT use a Rules Engine? [closed]
...ject used Drools) contained a lot of java code, including loops, functions etc. They were essentially java files masquerading as rules file. When I asked the architect on his reasoning for the design I was told that the "Rules were never intended to be maintained by business users".
Lesson: They a...