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find -exec with multiple commands
I am trying to use find -exec with multiple commands without any success. Does anybody know if commands such as the following are possible?
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How would I run an async Task method synchronously?
I'm learning about async/await, and ran into a situation where I need to call an async method synchronously. How can I do that?
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When to use NSInteger vs. int
...nteger/NSUInteger are defined as *dynamic typedef*s to one of these types, and they are defined like this:
#if __LP64__ || TARGET_OS_EMBEDDED || TARGET_OS_IPHONE || TARGET_OS_WIN32 || NS_BUILD_32_LIKE_64
typedef long NSInteger;
typedef unsigned long NSUInteger;
#else
typedef int NSInteger;
typedef ...
Confused by python file mode “w+”
... forget this, the f.read() call will try to read from the end of the file, and will return an empty string.
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Using a piano keyboard as a computer keyboard [closed]
I have RSI problems and have tried 30 different computer keyboards which all caused me pain. Playing piano does not cause me pain. I have played piano for around 20 years without any pain issues. I would like to know if there is a way to capture MIDI from a MIDI keyboard and output keyboard stroke...
Are there any smart cases of runtime code modification?
...ns on the fly has long been common in computer graphics. See e.g. Rob Pike and Bart Locanthi and John Reiser Hardware Software Tradeoffs for Bitmap Graphics on the Blit (1984) or this posting (2006) by Chris Lattner on Apple's use of LLVM for runtime code specialization in their OpenGL stack.
In som...
How to check if one of the following items is in a list?
... S2 = set(L2)
>>> S1.intersection(S2)
set([2])
Both empty lists and empty sets are False, so you can use the value directly as a truth value.
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Using Python String Formatting with Lists
...icates what I'm trying to do. In this example, there are three %s tokens and the list has three entries.
8 Answers
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atol 头文件 - C/C++ - 清泛网 - 专注C/C++及内核技术
atol 头文件#include <stdlib>函数名:atol功能: 把字符串转换成长整型数用法: longatol(const char *nptr);程序例:#include <stdlib.h> #includ...#include <stdlib.h>
函数名: atol
功 能: 把字符串转换成长整型数
用 法: long atol(const char *nptr);
实例:
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Best way to make Django's login_required the default
...und
matching URL patterns. To use, add the class to MIDDLEWARE_CLASSES and
define LOGIN_REQUIRED_URLS and LOGIN_REQUIRED_URLS_EXCEPTIONS in your
settings.py. For example:
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LOGIN_REQUIRED_URLS = (
r'/topsecret/(.*)$',
)
LOGIN_REQUIRED_URLS_EXCEPTIONS = (
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