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Can gcc output C code after preprocessing?
... support many languages other than C. So that I can study what the library is doing I'd like to see the C code that I'm compiling after preprocessing, more like what I'd write.
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How to retrieve the current value of an oracle sequence without increment it?
Is there an SQL instruction to retrieve the value of a sequence that does not increment it.
6 Answers
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How to split a dos path into its components in Python
...ckslashes, colons -- the possibilities for confusion are not endless, but mistakes are easily made anyway. So I'm a stickler for the use of os.path, and recommend it on that basis.
(However, the path to virtue is not the one most easily taken, and many people when finding this are tempted to take a...
Can you make valid Makefiles without tab characters?
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This is a syntax oddity/requirement of make, it has nothing to do with Mac OS X. Unfortunately, there's nothing you can do about it if you are going to use make.
Edit: GNU Make now supports a custom recipe prefix. See this a...
What's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters?
...he use of wstrings and wchar_t , and their use in the windows api. What is exactly "wrong" with wchar_t and wstring , and if I want to support internationalization, what are some alternatives to wide characters?
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What does $(function() {} ); do?
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$(function() { ... });
is just jQuery short-hand for
$(document).ready(function() { ... });
What it's designed to do (amongst other things) is ensure that your function is called once all the DOM elements of the page are ready to be used.
Howe...
Should I impose a maximum length on passwords?
...shed to 32, 40, 128, whatever length. The only reason for a minimum length is to prevent easy to guess passwords. There is no purpose for a maximum length.
The obligatory XKCD explaining why you're doing your user a disservice if you impose a max length:
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How do you select a particular option in a SELECT element in jQuery?
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A selector to get the middle option-element by value is
$('.selDiv option[value="SEL1"]')
For an index:
$('.selDiv option:eq(1)')
For a known text:
$('.selDiv option:contains("Selection 1")')
EDIT: As commented above the OP might have been after changing the selected i...
What can I use instead of the arrow operator, `->`?
What is the arrow operator ( -> ) a synonym for?
7 Answers
7
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Why use a ReentrantLock if one can use synchronized(this)?
...makes the lock in concurrency so important if one can use synchronized (this) . In the dummy code below, I can do either:
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