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Which Boost features overlap with C++11?
...std::tuple
Type Traits → <type_traits>
Unordered → <unordered_set>, <unordered_map>
Features back-ported from C++11:
Atomic ← std::atomic
Chrono ← <chrono> (see below)
Move ← Rvalue references
Replaceable by C++17 language features:
String_ref → std::stri...
The EXECUTE permission was denied on the object 'xxxxxxx', database 'zzzzzzz', schema 'dbo'
I'm having problems executing a function.
14 Answers
14
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Why is it string.join(list) instead of list.join(string)?
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It's because any iterable can be joined (e.g, list, tuple, dict, set), but the result and the "joiner" must be strings.
For example:
'_'.join(['welcome', 'to', 'stack', 'overflow'])
'_'.join(('welcome', 'to', 'stack', 'overflow'))
'welcome_to_stack_overflow'
Using something else than...
Remove local git tags that are no longer on the remote repository
We use tags in git as part of our deployment process. From time to time, we want to clean up these tags by removing them from our remote repository.
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Django admin: How to display a field that is marked as editable=False' in the model?
... editor after snippets, if snippets enabled
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How to convert Linux cron jobs to “the Amazon way”?
... caching
mechanism as a way to create locks with a TTL. In this way you set a
flag, with a TTL of 300 seconds and no other cron worker will execute
the job. The lock will automatically be released after the TTL has
expired. This is conceptually very similar to the SQS option we
discussed...
Get Unix Epoch Time in Swift
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快速理解 高频对冲套利自动交易(程式化交易) - 更多技术 - 清泛网 - 专注...
...不一样,每一个单,在一个交易日内,都有可能自动来回N趟,产生净利润。
由计算机软件自动做开仓、平仓的动作,即便是很简单的策略,这样高效率执行下来,效果十分惊人,且其潜力,远远超过人工炒手,体现为:1、一...
PHP random string generator
...x(openssl_random_pseudo_bytes(ceil($len / 2))), 1023, $split), 0, $len); } Set $split to null if it should return a one-liner. By that you can use it for both cases.
– mgutt
Mar 27 '17 at 13:01
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Python “SyntaxError: Non-ASCII character '\xe2' in file”
... message as in the title, from searching this has to do with the character set.
22 Answers
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