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Creating JSON on the fly with JObject
For some of my unit tests I want the ability to build up particular JSON values (record albums in this case) that can be used as input for the system under test.
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MySQL convert date string to Unix timestamp
How do I convert the following format to unix timestamp?
4 Answers
4
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What Vim command(s) can be used to quote/unquote words?
...nge quoting (e.g. from ' to " ) in Vim? I know about the surround.vim plugin, but I would like to use just Vim.
16 An...
C++中智能指针的设计和使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
C++中智能指针的设计和使用 智能指针(smart pointer)是存储指向动态分配(堆)对象指针的类,用于生存期控制,能够确保自动正确的销毁动态分配的对象,防止内存泄露。它的一种通用实现技术是使用引用计 智能指针(smart p...
How to find if a given key exists in a C++ std::map
I'm trying to check if a given key is in a map and somewhat can't do it:
14 Answers
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python generator “send” function purpose?
Can someone give me an example of why the "send" function associated with Python generator function exists? I fully understand the yield function. However, the send function is confusing to me. The documentation on this method is convoluted:
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How do I interactively unstage a particular hunk in git?
In git, if I have a couple of hunks from the same file staged in my index, how can I interactively unstage one of them?
3 A...
How to remove unwanted space between rows and columns in table?
How do I remove the extra space between the rows and columns in the table.
14 Answers
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How do you iterate through every file/directory recursively in standard C++?
...C++, technically there is no way to do this since standard C++ has no conception of directories. If you want to expand your net a little bit, you might like to look at using Boost.FileSystem. This has been accepted for inclusion in TR2, so this gives you the best chance of keeping your implementatio...
How to query as GROUP BY in django?
... you can use the aggregation features of the ORM:
from django.db.models import Count
Members.objects.values('designation').annotate(dcount=Count('designation'))
This results in a query similar to
SELECT designation, COUNT(designation) AS dcount
FROM members GROUP BY designation
and the output ...
