大约有 45,000 项符合查询结果（耗时：0.0690秒） [XML]
What is dynamic programming? [closed]
...be a very long process, but what if I give you the results for n=1,000,000 and n=1,000,001? Suddenly the problem just became more manageable.
Dynamic programming is used a lot in string problems, such as the string edit problem. You solve a subset(s) of the problem and then use that information to ...
Where can I get a “useful” C++ binary search algorithm?
... with the C++ STL containers, something like std::binary_search in the standard library's <algorithm> header, but I need it to return the iterator that points at the result, not a simple boolean telling me if the element exists.
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Using ZXing to create an Android barcode scanning app [duplicate]
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The ZXing project provides a standalone barcode reader application which — via Android's intent mechanism — can be called by other applications who wish to integrate barcode scanning.
The easiest way to do this is to call the ZXing SCAN Intent from yo...
SQL select join: is it possible to prefix all columns as 'prefix.*'?
I'm wondering if this is possible in SQL. Say you have two tables A and B, and you do a select on table A and join on table B:
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Regex to replace multiple spaces with a single space
... string.replace(/\s\s+/g, ' ');
If you really want to cover only spaces (and thus not tabs, newlines, etc), do so:
string = string.replace(/ +/g, ' ');
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“unpacking” a tuple to call a matching function pointer
.... doesn't work from the signatures: your std::make_unique expects a tuple, and a tuple can be created from an unpacked tuple only via another call to std::make_tuple. This is what I've done in the lambda (although it's highly redundant, as you can also simply copy the tuple into the unique pointer w...
Regular cast vs. static_cast vs. dynamic_cast [duplicate]
I've been writing C and C++ code for almost twenty years, but there's one aspect of these languages that I've never really understood. I've obviously used regular casts i.e.
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How do I find the location of my Python site-packages directory?
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There are two types of site-packages directories, global and per user.
Global site-packages ("dist-packages") directories are listed in sys.path when you run:
python -m site
For a more concise list run getsitepackages from the site module in Python code:
python -c 'import sit...
How to remove only underline from a:before?
... to an inline element, it affects all the boxes generated by that element, and is further propagated to any in-flow block-level boxes that split the inline (see section 9.2.1.1). […] For all other elements it is propagated to any in-flow children. Note that text decorations are not propagated to f...
Verifying a specific parameter with Moq
I'm starting using Moq and struggling a bit.
I'm trying to verify that messageServiceClient is receiving the right parameter, which is an XmlElement, but I can't find any way to make it work. It works only when I don't check a particular value.
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