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How can I troubleshoot my Perl CGI script?

...ironment) is considered tainted. Environment variables such as PATH and LD_LIBRARY_PATH are particularly troublesome. You have to set these to a safe value or unset them completely, as I recommend. You should be using absolute paths anyway. If taint checking complains about something else, make ...
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PowerShell script to return versions of .NET Framework on a machine?

...up\NDP' -recurse | Get-ItemProperty -name Version,Release -EA 0 | Where { $_.PSChildName -match '^(?!S)\p{L}'} | Select PSChildName, Version, Release Based on the MSDN article, you could build a lookup table and return the marketing product version number for releases after 4.5: $Lookup = @{ ...
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Set breakpoint in C or C++ code programmatically for gdb on Linux

... in Windows, MSVC you can use __debug_break, DebugBreak or _asm {int 3}. – Fernando Gonzalez Sanchez Jan 27 '15 at 1:11 ...
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Sphinx autodoc is not automatic enough

...posed to output the files to? I tried outputting them to Sphinx's default _build folder, but running sphinx-build -b html . ./_build doesn't pick them up. – Cerin Jan 6 '11 at 18:13 ...
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Python JSON serialize a Decimal object

... The problem was that DecimalEncoder()._iterencode(decimal.Decimal('3.9')).next() returned the correct '3.9', but DecimalEncoder()._iterencode(3.9).next() returned a generator object which would only return '3.899...' when you piled on another .next(). Generator f...
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Run an Application in GDB Until an Exception Occurs

...case of GNU C++, exceptions are raised by calling a library function named __raise_exception which has the following ANSI C interface: /* addr is where the exception identifier is stored. id is the exception identifier. */ void __raise_exception (void **addr, void *id); To make the debugger c...
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C++中判断文件、目录是否存在的几种方法 - C/C++ - 清泛网 - 专注C/C++及内核技术

... if(fh == NULL) { printf("%s","can not open the file"); } 三、_access 当然C中还有一种方式是直接调用c的函数库。 就是函数 int _access(const char* path,int mode); 这个函数的功能十分强大。 可以看看msdn的详细介绍 #include <io.h> #include ...
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Using @property versus getters and setters

...de world. There are plenty of ways to do this in Python (getattr, setattr, __getattribute__, etc..., but a very concise and clean one is: def set_email(self, value): if '@' not in value: raise Exception("This doesn't look like an email address.") self._email = value def get_email(s...
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What is the difference between shallow copy, deepcopy and normal assignment operation?

... @grc But I have tried an example(I remove the new line here.) list_=[[1,2],[3,4]] newlist = list_.copy() list_[0]=[7,8] print(list_) print(newlist) The newlist still display [[1, 2], [3, 4]]. But list_[0] is a list which is mutable. – Alston Nov 12 '16...
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Slow Requests on Local Flask Server

...sk run --with-threads which solved my problem. – arno_v Apr 13 '18 at 11:33  |  show 1 more comment ...