EN比较两个字符串是否相等，最常见的方法就是使用“===”来判断，至于它和“==”的区别，简单来说就是前者强调“identical”类型也要求一样；后者要求“equal”，值相同就可以了，参考【1】。或者使用strcmp来判断，但是这个能够告诉你两个字符串是否相等，但是无法告诉你在那里不同。我的思路是单字符串分割为一个个字
Delphi2Cpphad changed the code to pass a constant reference of the string instead. This is more efficient in C++, since it avoids copying the character array, but a manual post-processing of the code was necessary, if the string is changed within the function body....
{$WARN IMPLICIT_STRING_CAST_LOSS ON} {$WARN EXPLICIT_STRING_CAST OFF} {$WARN EXPLICIT_STRING_CAST_LOSS OFF} {$WARN CVT_WCHAR_TO_ACHAR OFF} {$WARN CVT_NARROWING_STRING_LOST OFF} {$WARN CVT_ACHAR_TO_WCHAR OFF} {$WARN CVT_WIDENING_STRING_LOST OFF} {$WARN XML_WHITESPACE_NOT_ALLOWED ...
FCode : String; FCategory : string; FVersion : double; public constructor Create(sName, sCode : string; dVersion : double; sCategory : string = 'Delphi'); destructor Destroy; override; function GetName : string; function GetCode : string; function GetCategory : string; function GetVersion ...
Log.Message(aqString.Concat(Str1, 'String No 2')); Log.Message(Str1 + 'String No 2 ' + 'String No ' + IntToStr(3) + ' '); end; Comparing strings The comparison of two strings is widely used during testing. Generally a test procedure obtains textual data (user input, file conte...
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arr: array of string; i: Integer; Comparer: IComparer<string>; begin Memo1.Clear; Memo1.Lines.CommaText := '11,33,22,AAA,CCC,BBB'; SetLength(arr, Memo1.Lines.Count); for i := 0 to Length(arr) - 1 do arr[i] := Memo1.Lines[i]; ...
11. 12. const NaN = 0.0 / 0.0; Infinity = 1.0 / 0.0; NegInfinity = -1.0 / 0.0; function IsNan(const AValue: Double): Boolean; overload; function IsNan(const AValue: Single): Boolean; overload; function IsNan(const AValue: Extended): Boolean; overload; ...
Quick.RegEx.Utils: Commonly used RegEx comparison (email verification, password complexity, etc) Quick.Conditions: Pre and postcondition validations in fluent style.Updates:NEW: RAD Studio 12 supported NEW: RAD Studio 11 supported NEW: Condition checks NEW: Commonly used RegEx validations NEW: Url ...