下面是我的线程程序,非常简单: #include <iostream> #include <thread> using namespace std; void myprint(int a) { cout << a << endl; } int main() { thread obj(myprint, 3); obj.detach(); cout << "end!!!" << endl; } 我无法理解的是,程序偶尔会有3次打印3次的子线程,例如: ...
print( s) # 这里的缩进和上一行不一致 如果不理解缩进,可以参考理解Python的代码缩进 - 知乎 (zhihu.com)。 2. NameError: name 'xxx' is not defined 某个变量没有定义就去使用它。 for i in range(1, 6): s = s + i # 变量s没有定义,在for语句之前定义它可以解决 print( s) 3. SyntaxError...
397 NameError: global name 'xrange' is not defined in Python 3 3 Ping is not working on single topology created on mininet 1351 Extract file name from path, no matter what the os/path format 1544 pg_config executable not found 0 Ryu controller and manager WebUI app not showing t...
def generate_username(number, number_length): name = get_name() final_name = process_name(name) padded_number = zero_extend_number(number, number_length) completed_name = final_name + padded_number print("Your username is: {}".format(completed_name)) Share Improve this answer Follow a...
下面代码的语法错误显示是 print ”Hello World!”A.NameError: name ‘raw_print ’is not definedB.Syntax
以下程序输出什么?'''x=1'''whilex:print(x)A.运行结果显示NameError:name'x'isnotdefinedB.运行结果无限循环输出1C.
osx 10.10.2 Python 2.7.9 ansible 1.8.4 I create a script & call it exit.py #!/usr/bin/python import sys print "test" sys.exit(0) and I execute in ansible via: - debug: msg="test" - name: shell shell: python --version - name: test script ...
Name Represents a defined name for a range of cells. Names A collection of all the Name objects in the application or workbook. Each Name object represents a defined name for a range of cells. Names can be either built-in names — such as Database, Print_Area, and Auto_Open — or ...
#dsconf slapd-IPA-TEST security set --tls-protocol-min=TLS1.0 Actual results: Error: name 'log' is not defined Exit code: 1 Expected results: Command is run successfully. Additional info: https://pagure.io/freeipa/issue/9283 Comment 2 mreynolds 2023-02-01 12:38:07 UTC This should ...
print a[3] except: s=sys.exc_info() print "Error '%s' happened on line %d" % (s[1],s[2].tb_lineno) 打印execfile...的打印错误行: try:execfile("tprint.py") except Exception, info: #print info[1] print "Error '%s' happened ...