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How to make my custom type to work with “range-based for loops”?
... that your end iterator can read "check your char* to see if it points to '0'" when == with a char*. This allows a C++ range-for expression to generate optimal code when iterating over a null-terminated char* buffer.
struct null_sentinal_t {
template<class Rhs,
std::enable_if_t<!std::is...
Check for changes to an SQL Server table?
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answered Aug 2 '08 at 5:20
Jon GallowayJon Galloway
49k2424 gold badges118118 silver badges191191 bronze badges
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How exactly does the “Specific Version” property of an assembly reference work in Visual Studio?
...t the "Specific Version" property of assembly references in Visual Studio 2010. After a few experiments with unexpected results I set out to learn as much as possible about how the property works. Even SO, it appears to me, does not have all the answers, so here is my attempt at self-answering the q...
Delete specific line number(s) from a text file using sed?
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If you want to delete lines 5 through 10 and 12:
sed -e '5,10d;12d' file
This will print the results to the screen. If you want to save the results to the same file:
sed -i.bak -e '5,10d;12d' file
This will back the file up to file.bak, and delete the given ...
What is private bytes, virtual bytes, working set?
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answered Dec 31 '09 at 18:11
AaronaughtAaronaught
114k2323 gold badges247247 silver badges326326 bronze badges
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Error :: duplicate files during packaging of APK
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– Robertas Setkus
Mar 18 '14 at 22:04
1
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Foreign key constraints: When to use ON UPDATE and ON DELETE
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490
Do not hesitate to put constraints on the database. You'll be sure to have a consistent database...
Hide keyboard when scroll UITableView
...nswer is subclassing UITableView (http://stackoverflow.com/questions/3499810/tapping-a-uiscrollview-to-hide-the-keyboard).
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How to generate all permutations of a list?
...:
for i in range(len(elements)):
# nb elements[0:1] works in both string and list contexts
yield perm[:i] + elements[0:1] + perm[i:]
A couple of alternative approaches are listed in the documentation of itertools.permutations. Here's one:
def permutatio...
How do I query if a database schema exists
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edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Oct 22 '08 at 14:44
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