level 3 fiber map

In the SAN storage architecture, the core devices in the fiber channel switch play an important role in the SAN storage process and affect the network performance. Fiber Channel switches provide Fiber Channel switching for high-bandwidth and Low-latency data communication. Currently, fiber channel switches provide conn

When using Google Maps, we often want to display only a part of the map and limit the zoom level of the map. In this case, you need to customize the map zoom level and display range of Google map. Custom

directly, the control is simple. 2.4 Disadvantages of the user threadThe disadvantages of the user thread are mainly When a thread is blocked by an I/O or a page fault, the kernel will block the entire process and block all threads because it does not know that there is a multi-threaded system call, so only one thread in the same process can run Page failures can also cause similar problems. Within a single process, there is no clock interruption, so it is impossible to sc

user threadThe disadvantages of the user thread are mainly When a thread is blocked by an I/O or a page fault, the kernel will block the entire process and block all threads because it does not know that there is a multi-threaded system call, so only one thread in the same process can run Page failures can also cause similar problems. Within a single process, there is no clock interruption, so it is impossible to schedule threads in a round-robin manner Resource scheduling

The Echarts version is Echarts 4. After studying for three days, Echarts finally realized the data display of drilling to county area based on echarts realization map, plus corresponding area. Look at the effect chart first Follow-up to the process of updating the study, it is recommended to use the Echarts students to see the official documents and examples, do not blindly to engage. I was on the day before the data to add to the

parameter to be possible. In fact, as long as there is a display area of the JSON contour data, and then configure the corresponding parameters in the China-main-city-map.js, this design and implementation method, can fully achieve multi-level (up to No limit) map switching.The actual effect, as shown in the following illustration:(1) Initialize to national map

OpenLayers learning-load AMAP map data of a specified level, openlayers AMAP When using AMAP data, we usually do not need to load world maps, but only need to specify the map data of the project area. Similarly, we do not need data of all levels, you only need to specify the level data. According to the method in OpenL

, that is 3.1415926, and the positive number means clockwise rotation, if you want to rotate 60 degrees clockwise, then incoming MATH.PI/3. In the Click event, add the following call: View.rotate (MATH.PI/3); Effect graph after calling function: 2, Fitextent (extent, size) As long as the coordinate operation is involved in the coordinate transformation, the map's default coordinate system is epsg:3857, if

Python learns Day 5 high-level functions map/reduce filter sorter return functions anonymous function decorators partial functions, pythonsorter Higher-orderfunction Variable can point to function >>> Abs # abs (-10) is a function call, while abs is the function itself. >>> F = abs # the function itself can also assign values to variables. >>> F # variables can point to functions. >>> F (-10) # variable

, return to the parent directory, and judge the code for the flag bit in the previous layer of codeIf the flag bit is true execution break will jump out of the entire loopIf you enter 2. The direct break jumps out while loops to the parent directory!"""if Jump_tag = = "1":Jump_up_flag = TrueBreakif Jump_tag = = "2":Break#如果jump_tag赋值为2, jump out of the while loop to the upper for loopIf Jump_up_flag:#判断如果标志位为True, the following break code will be executed to jump out of the entire loop. Breakels

B6CBD600 running a220 01C00080 0082AFE2 04010000 [......] 20 of a220, indicating: type: 0x20 = FIRST LEVEL BITMAP BLOCK B6CBD610 20179d2d 00000000 00000000 00000000 [-......] B6CBD620 00000000 00000000 00000000 00000000 [......] Repeat 1 times Repeat 8 times B6CBD780 00000000 00000000 00000000 55551511 [...... UU] B6CBD790 00000000 00000000 00000000 00000000 [......] Repeat 485 times B6CBF5F0 00000000 00000000 00000000 AFE22001 [......] Dump of First

different: In fact, both bounds are used in the cesium, and there are some repetitive computations in the grid positions and two bounds (Boundingsphere,orientedboundingbox). So there is a certain amount of optimization space. But this is mainly in the comparison of programming skills, from the logic and algorithms, cesium has been very professional, I personally feel that in the study of source code, in all aspects, have benefited. As above, we calculated the Positions,heights,uvs and bou

Hi!! Today on-line found that I have a fan!! Wow, so happy!But I broke my promise yesterday and didn't go on more ... Hope not to lose powder .....But that is for a reason, I have been looking for data yesterday, and finally today to tidy up, I intend this weekend the whole. Then you can get a really powerful tutorial!!Let me start with a tutorial that I'll come up with next, and then say what this is about today.Next:1, US unemployment data visualization2,