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How to implement an abstract class in ruby?
I know there is no concept of abstract class in ruby. But if at all it needs to be implemented, how to go about it? I tried something like...
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Random hash in Python
... one:
import random
hash = random.getrandbits(128)
print("hash value: %032x" % hash)
I don't really see the point, though. Maybe you should elaborate why you need this...
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Disable individual Python unit tests temporarily
... so. You could just get this module and use it on your existing Python install. It will probably work.
Before this, I used to rename the tests I wanted skipped to xtest_testname from test_testname.
Here's a quick elisp script to do this. My elisp is a little rusty so I apologise in advance for ...
How to pick just one item from a generator?
... would use the second syntax given in my answer, next(g). This will internally call g.__next__(), but you don't really have to worry about that, just as you usually don't care that len(a) internally calls a.__len__().
– Sven Marnach
Apr 10 '14 at 10:31
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Revert a range of commits in git
...g for:
git revert B^..D
B^ means "the first parent commit of B": that allows to include B in the revert.
See "git rev-parse SPECIFYING REVISIONS section" which include the <rev>^, e.g. HEAD^ syntax: see more at "What does the caret (^) character mean?")
Note that each reverted commit is ...
How to delete all Annotations on a MKMapView
Is there a simple way to delete all the annotations on a map without iterating through all the displayed annotations in Objective-c?
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How do I dump an object's fields to the console?
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Adding an inspect method to your class allows you to define how the class' attributes are displayed, rather than rely on default output. A lot of classes don't implement it well, but it can be really useful when debugging. Ruby will fall back to to_s if it can't f...
In Javascript, how to conditionally add a member to an object?
I would like to create an object with a member added conditionally.
The simple approach is:
22 Answers
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一分钟明白 VS manifest 原理 - C/C++ - 清泛网 - 专注C/C++及内核技术
...赖做了重定向：
<dependentAssembly>
<assemblyIdentity type="win32" name="Microsoft.VC80.DebugCRT" processorArchitecture="ia64" publicKeyToken="1fc8b3b9a1e18e3b"/>
<bindingRedirect oldVersion="8.0.41204.256-8.0.50608.0" newVersion="8.0.50727.42"/>
</dependentAssembly>
指明"8.0.41204.25...
coinitialize失败，返回值是0x80010106 无法在设置线程模式后对其加以更改 ...
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注意：要使用CoInitializeEx必须在代码开始包含#define _WIN32_DCOM预编译命令
一 个线程，除了调用CoGetMalloc函数和其它内存分配(CoTaskMemAlloc, CoTaskMemFree,CoTaskMemReAlloc, and the IMalloc methods on the task allocationsupplied byCoGetMalloc)，在调用任何...