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What does “#define _GNU_SOURCE” imply?
...you sometimes need for implementing system utilities like mount, ifconfig, etc.
broken behavior for lots of POSIX-specified functions, where the GNU folks disagreed with the standards committee on how the functions should behave and decided to do their own thing.
As long as you're aware of these t...
MySQL indexes - what are the best practices?
...index all columns, no columns, which indexes should span multiple columns, etc. It depends on the queries you need to run.
Yes, there is some overhead so you shouldn't create indexes needlessly. But you should create the indexes that give benefit to the queries you need to run quickly. The overh...
Wrapping a C library in Python: C, Cython or ctypes?
...ore hesitant if I had to wrap a C++ library with lots of classes/templates/etc. But ctypes works well with structs and can even callback into Python.
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Why java.lang.Object is not abstract? [duplicate]
...ctions (i.e. interfaces). The other methods, wait(), notify(), finalize(), etc. are sufficiently complicated and/or are native, so it's best they're already implemented, and would not benefit from being abstracted.
So I'd guess the answer would be no, none of the methods of Object would benefit fro...
How to display unique records from a has_many through relationship?
..., :select => "DISTINCT products.*). In the first case, ALL records are fetched and rails removes the duplicates for you. In the later case, only non-duplicate records are fetched from the db so it might offer better performance if you have a large result set.
– mbreining
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How do the Proxy, Decorator, Adapter, and Bridge Patterns differ?
...ore to do with access control (lazy instantiation, remote access, security etc). But like I said, the lines between them are gray, and I see references to proxies that could easily be viewed as decorators and vice versa.
sha...
Optional query string parameters in ASP.NET Web API
...ou should take all records. Generally if you want a value type (int, bool, etc.) to be optional then it should be nullable.
– Andrew C
Aug 8 '18 at 13:18
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What is the maximum possible length of a query string?
...equest headers. This does not include POST-method form data, file uploads, etc., but it does include the URL. In practice this resulted in a 413 error when a URL was significantly longer than 8,000 characters. This limitation can be easily removed. Look for all occurrences of 16x1024 in Daemon.pm an...
What are JavaScript's builtin strings?
...g code golf and have been making it shorter, replacing parts with more 1s, etc.
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URL Encode a string in jQuery for an AJAX request
...s with plus signs may work, but if you have other characters (with umlauts etc), you are going to be in heap of trouble.
– Uku Loskit
Jul 1 '11 at 7:06
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