asp.net ean 13

asp.net ean 13

asp.net ean 13

asp.net ean 13

asp.net ean 13

asp.net ean 13,

asp.net ean 13,
asp.net ean 13,

asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,

asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,
asp.net ean 13,

Each Appender object needs to know how to format the logging information passed to it. It uses the Layout objects and the conversion pattern associated with them to format the logging information. Each Appender object will have a target destination attached to it. The target may be a console, a file, or another item depending on the appender. Each Appender object can have a threshold Level associated with it. Logging information is compared with the threshold level, and if the logging request level is equal to or greater than this threshold, the logging information is processed further; otherwise it is ignored. Each Appender can have a threshold level associated with it independent of the logger level. The Appender ignores any logging messages that have a level lower than the threshold level. It is possible to attach Filter objects to Appenders. The Filter objects can analyze logging information beyond level matching and decide whether logging requests should be handled by a particular Appender or ignored.

ensures that the application can t access any resources that the account does not normally have privileges to access (see Figure 12-1).

npoints++; if (bounds != null) { updateBounds(x, y); } } void updateBounds(int x, int y) { if (x < bounds.x) { bounds.width = bounds.width + (bounds.x - x); bounds.x = x; } else { bounds.width = Math.max(bounds.width, x - bounds.x); } if (y < bounds.y) { bounds.height = bounds.height + (bounds.y - y); bounds.y = y; } else { bounds.height = Math.max(bounds.height, y - bounds.y); } } public Rectangle getBoundingBox() { if (npoints == 0) { return new Rectangle(); } if (bounds == null) { calculateBounds(xpoints, ypoints, npoints); } return bounds; } /** * Determines if the specified coordinates are inside this * <code>Polygon</code>. * * @param x * @param y * @return */ public boolean contains(int x, int y) { if (npoints <= 2 || !getBoundingBox().contains(x, y)) { return false; } int hits = 0; int lastx = xpoints[npoints - 1]; int lasty = ypoints[npoints - 1]; int curx, cury;

Figure 12-1. Process and process level Although processes run using an overall security context, each thread inside of a process also has its own access token defining the security context under which that individual thread may run. By default, a process creates a new thread, builds a copy of its process-level access token, and then assigns that copied access token to the thread. Thus, most threads run using the same security context as the process in which they run (see Figure 12-2).

Figure 12-2. Process with two threads, both of which contain copies of the process-level token Processes may, alternatively, create threads that run using a different security context than the process itself. ASP.NET uses this type of thread creation for impersonation. In this scenario, the process authenticates an account using that account s credentials, uses the authenticated account to create a new access token, and associates the newly created access token with a thread in the process. This allows that particular thread to access resources using a different security context than the process itself and to access resources to which access would otherwise be denied (see Figure 12-3).

Depending on the type of Appender object, each Appender can have other special attributes. We will discuss each Appender object in upcoming sections, but first we will take a look at adding Appender objects to Logger objects.

// Walk the edges of the polygon for (int i = 0; i < npoints; lastx = curx, lasty = cury, i++) { curx = xpoints[i]; cury = ypoints[i]; if (cury == lasty) { continue; } int leftx; if (curx < lastx) { if (x >= lastx) { continue; } leftx = curx; } else { if (x >= curx) { continue; } leftx = lastx; } double test1, test2; if (cury < lasty) { if (y < cury || y >= lasty) { continue; } if (x < leftx) { hits++; continue; } test1 = x - curx; test2 = y - cury; } else { if (y < lasty || y >= cury) { continue; } if (x < leftx) { hits++; continue; } test1 = x - lastx; test2 = y - lasty; } if (test1 < (test2 / (lasty - cury) * (lastx - curx))) { hits++; } }