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ValueError: invalid literal for int() with base 10: ''
...
The following are totally acceptable in python:
passing a string representation of an integer into int
passing a string representation of a float into float
passing a string representation of an integer into float
passing a float into int
passing an integer into ...
C++实现一款简单完整的聊天室服务器+客户端 - C/C++ - 清泛网 - 专注C/C++及内核技术
...);
messageBuffer.PutMessage(bufWithName);
}
}
}
编译脚本文件compile
g++ -c MessageBuffer.cpp
g++ -c Clients.cpp
g++ -c Server.cpp
g++ -lpthread -o server MessageBuffer.o Clients.o Server.o
chmod +x compile
./compile 就可以编译并链接
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Difference between subprocess.Popen and os.system
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If you check out the subprocess section of the Python docs, you'll notice there is an example of how to replace os.system() with subprocess.Popen():
sts = os.system("mycmd" + " myarg")
...does the same thing as...
sts = Popen("mycmd" + " myarg", shell=True).wait()
T...
Converting Mercurial folder to a Git repository
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On Linux or anything with bash/sh or similar, or python, try with fast export:
cd
git clone git://repo.or.cz/fast-export.git
git init git_repo
cd git_repo
~/fast-export/hg-fast-export.sh -r /path/to/old/mercurial_repo
git checkout HEAD
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Inspecting standard container (std::map) contents with gdb
... of date. With a recent GCC and GDB it Just WorksTM thanks to the built-in Python support in GDB 7.x and the libstdc++ pretty printers that come with GCC.
For the OP's example I get:
(gdb) print m
$1 = std::map with 2 elements = {[1] = 2, [2] = 4}
If it doesn't work automatically for you see the...
Using logging in multiple modules
I have a small python project that has the following structure -
11 Answers
11
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How do I write a bash script to restart a process if it dies?
I have a python script that'll be checking a queue and performing an action on each item:
8 Answers
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windows下捕获dump之Google breakpad_client的理解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...-circular-check "../../client/windows/breakpad_client.gyp"
需要先安装python，使用2.7.4版本python正常生成sln文件，2.4.3、3.3.2版本均生成失败。搜索发现，\src\client\windows\build\common.gypi文件下有 'python_ver%': '2.5',，不确定是否要依据它来确定python...
Why does substring slicing with index out of range work?
...ous. In the case of strings, the results appear to be identical because in Python, there's no such thing as an individual character outside of a string. A single character is just a 1-character string.
(For the exact semantics of slicing outside the range of a sequence, see mgilson's answer.)
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How do you write multiline strings in Go?
Does Go have anything similar to Python's multiline strings:
9 Answers
9
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