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How do I delete unpushed git commits?

.... But if you had several commits on the wrong branch, that is where git rebase --onto shines: Suppose you have this: x--x--x--x <-- master \ -y--y--m--m <- y branch, with commits which should have been on master , then you can mark master and move it where you woul...
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Creating a range of dates in Python

... Marginally better... base = datetime.datetime.today() date_list = [base - datetime.timedelta(days=x) for x in range(numdays)] share | improve t...
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iOS开发调试技巧总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...e //这里执行的是release模式下 #endif (2)__i386__ 与 __x86_64__ :用于模拟器环境和真机环境的判断。满足该条件的代码只在模拟器下执行。示例代码如下: #ifdefined(__i386__)||defined(__x86_64__) //模拟器下执行 #else //真机下执行...
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How to import data from mongodb to pandas?

... 27017, database="db_tmp") columns = ["col1", "col2"] data_type = ["int64", "int64"] arrays = client.query("db_tmp", "coll", {}, columns, data_type) For 50000 records takes around 200s. – nishant Nov 27 '17 at 11:09 ...
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Is there any way to check if iOS app is in background?

...App delegate gets callbacks indicating state transitions. You can track it based on that. Also the applicationState property in UIApplication returns the current state. [[UIApplication sharedApplication] applicationState] ...
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How to parse a string to an int in C++?

...still a couple of other problems. What if the number in the string is not base 10? We can try to accommodate other bases by setting the stream to the correct mode (e.g. ss << std::hex) before trying the conversion. But this means the caller must know a priori what base the number is -- and ho...
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Open Source Java Profilers [closed]

... Application Profiling using TPTP and here's a tutorial Profiling J2SE 5.0 based applications using Eclipse TPTP. share | improve this answer | follow | ...
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When should you not use virtual destructors?

... Also add: no intention to delete an instance via a base class pointer. – Adam Rosenfield Nov 19 '08 at 15:24 9 ...
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What is an example of the Liskov Substitution Principle?

...havior. Imagine you had SetWidth and SetHeight methods on your Rectangle base class; this seems perfectly logical. However if your Rectangle reference pointed to a Square, then SetWidth and SetHeight doesn't make sense because setting one would change the other to match it. In this case Square fai...
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Convert boolean to int in Java

...00 random Boolean values and this method was consistently faster than that based on the ternary operator. It shaved off about 10ms. – Mapsy Oct 24 '14 at 13:14 3 ...