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printf format specifiers for uint32_t and size_t

... Sounds like you're expecting size_t to be the same as unsigned long (possibly 64 bits) when it's actually an unsigned int (32 bits). Try using %zu in both cases. I'm not entirely certain though. ...
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warning: [options] bootstrap class path not set in conjunction with -source 1.5

...| edited Apr 26 '17 at 18:05 answered Apr 1 '15 at 6:54 Cir...
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How can we match a^n b^n with Java regex?

... testAll($r, $tests) { foreach ($tests as $test) { $isMatch = preg_match($r, $test, $groups); $groupsJoined = join('|', $groups); print("$test $isMatch $groupsJoined\n"); } } $tests = array('aaa', 'aaab', 'aaaxb', 'xaaab', 'b', 'abbb'); $r1 = '/^a+(?=b+)/'; # └...
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Mercurial undo last commit

...eration finishes succesfully, the transaction is marked as complete. If an error occurs, the transaction is "rolled back" and the repository is left in the same state as before. You can manually trigger a rollback with 'hg rollback'. This will undo the last transactional command. If a pull command...
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Substitute multiple whitespace with single whitespace in Python [duplicate]

...ce characters that are combined. To match unicode whitespace: import re _RE_COMBINE_WHITESPACE = re.compile(r"\s+") my_str = _RE_COMBINE_WHITESPACE.sub(" ", my_str).strip() To match ASCII whitespace only: import re _RE_COMBINE_WHITESPACE = re.compile(r"(?a:\s+)") _RE_STRIP_WHITESPACE = re.co...
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How to prevent IFRAME from redirecting top-level window

...hen the iframe is loaded. <script type="text/javasript"> var prevent_bust = false ; var from_loading_204 = false; var frame_loading = false; var prevent_bust_timer = 0; var primer = true; window.onbeforeunload = function(event) { prevent_bust = !from_loading_204 &...
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Why shouldn't I use “Hungarian Notation”?

...ss unsafe data to functions requiring safe data. You should make it a type error, so that it is impossible to do so. Any unsafe data should have a type that is marked unsafe, so that it simply cannot be passed to a safe function. To convert from unsafe to safe should require processing with some kin...
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django : using select_related and get_object_or_404 together

Is there any way of using get_object_or_404 and select_related together or any other way to achieve the result of using these two together(except from putting it in try/except)?? ...
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How to send email attachments?

... best answer for me but there is a small error: replace import pathlibwith from pathlib import Path – AleAve81 Apr 29 at 20:38 ...
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Why is the C++ STL is so heavily based on templates? (and not on *interfaces*)

...s. The only problem I see with STL, and templates in general is the awful error messages. Which will be solved using Concepts in C++0X. Comparing STL to Collections in Java is Like comparing Taj Mahal to my house :) sha...