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How do I detect the Python version at runtime? [duplicate]
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FYI this works, but the python_version function returns a string (e.g. on my system it prints '3.6.1'). If you're checking the version in an if statement like the OP is, Chris' answer makes much more sense, as you don't have to go through the clunky process of searching the string f...
How to compare 2 files fast using .NET?
... if (first.Length != second.Length)
return false;
if (string.Equals(first.FullName, second.FullName, StringComparison.OrdinalIgnoreCase))
return true;
int iterations = (int)Math.Ceiling((double)first.Length / BYTES_TO_READ);
using (FileStream fs1 = ...
How to validate date with format “mm/dd/yyyy” in JavaScript?
...tion function is a little bit easier to read:
// Validates that the input string is a valid date formatted as "mm/dd/yyyy"
function isValidDate(dateString)
{
// First check for the pattern
if(!/^\d{1,2}\/\d{1,2}\/\d{4}$/.test(dateString))
return false;
// Parse the date parts t...
UnicodeDecodeError: 'utf8' codec can't decode byte 0xa5 in position 0: invalid start byte
...t be encoded/decoded. One simple way to avoid this error is to encode such strings with encode() function as follows (if a is the string with non-ascii character):
a.encode('utf-8').strip()
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How do I get the color from a hexadecimal color code using .NET?
...sing System.Windows.Media;
Color color = (Color)ColorConverter.ConvertFromString("#FFDFD991");
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Can I have multiple primary keys in a single table?
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In this example, BOTH userid and userdataid are needed to identify/find a unique row. Not sure what the OP's intention was, but I came here looking to see if I could uniquely identify a row with one of a set of keys. For instance, I would like to identif...
去掉std::string或std::wstring最后一个字符的几种简单方法 - C/C++ - 清泛...
去掉std::string或std::wstring最后一个字符的几种简单方法去掉std::string或std::wstring的最后一个字符：1、s pop_back(); 2、s erase(s end() - 1); 3、s = s substr(0, s length() - 1);去掉std::string或std::wstring的最后一个字符：
// 方法1
s.pop_back();
// 从...
Hidden features of Ruby
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If items is a string you don't have to enclose it with [*…]. String.each doesn't iterate over characters as some may expect. It just returns itself to the block.
– mxcl
Feb 17 '10 at 13:49
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sendmail: how to configure sendmail on ubuntu? [closed]
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In case anyone else is confused, the strings inside the sendmail.mc file need to be in the form BACKTICK + your text + SINGLE QUOTE.
– Thomas
Apr 2 '16 at 1:43
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