Differences

This shows you the differences between two versions of the page.

--- user:mgardne8:portfolio:notescrap [2014/09/02 10:00] – mgardne8
+++ user:mgardne8:portfolio:notescrap [2014/09/02 10:34] (current) – mgardne8
@@ Line 1: / Line 1: @@
 __Pointers__
-Inf a;
+  int = 4 bytes
+  short = 2 bytes
-Grid - 1byte = 8bits
+  Int    a =  5; (43;44;45;46)
+  Int    b =  6; (47;50;51;52)
+  Short  j =  2; (53;54)
+  Short  k =  1; (55;56)
+  Int   *c = &a; (57;60;61;62;63;64;65;66)
+                 [Contains Address for Int a; (43;44;45;46)
+                 [* = Dereferencing operator]
+  Short  q = 77; (67;70)
-^8  - 256
+   |0|1|2|3|4|5|6|7|
+  ------------------
+| | | | | | | | |
+  ------------------
+| | | | | | | | |
+  ------------------
+| | | | | | | | |
+  ------------------
+| | | | | | | | |
+  ------------------
+| | | |a|a|a|a|b|
+  ------------------
+|b|b|b|j|j|k|k|c|
+  ------------------
+|c|c|c|c|c|c|c|q|
+  ------------------
+|q| | | | | | | |
+  ------------------
-   |0|1|2|3|4|5|6|7|8|
+----------------------------
-  --------------------
+  Grid - 1byte = 8bits
-| | | | | | | | | |
+----------------------------
-  --------------------
+  bc -l
-| | | | | | | | | |
+^8  = 256
-  --------------------
+^16 = 65536
-| | | | | | | | | |
+^32 = 4294967296
-  --------------------
+^64 = 18446744073709551616
-| | | | | | | | | |
+---------------------------
-  --------------------
+  X64 0x0000000000000000
-| | | | | | | | | |
+---------------------------
-  --------------------
-| | | | | | | | | |
+  int g[4];
-  --------------------
+  int *g=(int *)malloc(sizeof(int)*4);
-| | | | | | | | | |
-  --------------------
+  g[0]   =   7;
-| | | | | | | | | |
+  g[1]   =   3;
-  --------------------
+  *(g+2) =  13;
-| | | | | | | | | |
+  g[2]   =  13;
-  --------------------
+--------------------
-____________________________________________________________________________
-bc -l
-^8  = 256
-^16 = 65536
-^32 = 4294967296
-^64 = 18446744073709551616