Differences

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--- programming:howtos-tips [2008/11/15 09:13]
cyril
+++ programming:howtos-tips [2014/04/16 18:07] (current)
cyril [Conversions with string]
@@ Line 117: / Line 117: @@
 <code cpp>
-std::cout << "normal text, "  << "\033[1;28m"
+std::cout << "normal text, "  << "\033[1;33m"
-          << "colored text, " << "\033[1;33m"
+          << "colored text, " << "\033[1;00m"
           << "normal text" << std::endl;
 </code>
@@ Line 182: / Line 182: @@
 <code c>
   #define ERROR(msg, ...) fprintf("ERROR:%s:%d# ", __FILE__, __LINE__, ## __VA_ARGS__);
+</code>
+You can also use the ''PRETTY_FUNCTION'' but it is not standard:
+<code>
+  #define ERROR(msg, ...) fprintf("ERROR:%s:%d %s# ", __FILE__, __LINE__, __PRETTY_FUNCTION__, ## __VA_ARGS__);
 </code>
@@ Line 206: / Line 210: @@
 #include <stdio.h>
 char s[128];
-sprintf("%d", 565);
+sprintf(s, "%d", 565);
 </code>
@@ Line 215: / Line 219: @@
 #include <stdlib.h>
 int i = atoi("562");
-float f = atof("4.5");
+long l = atol("4500294");
-double l = atol("4.546643");
+double f = atof("4.546643");
 </code>
@@ Line 321: / Line 325: @@
  public:
   ...
-  double() { return data / (double)(1<<8); }
+  operator double() { return data / (double)(1<<8); }
 };