the Department! After everyone login NSX will automatically set the network permissions according to the role, then I only maintain a mirror is enough, each time only rebuilt once, more people on the desktop, fewer people on the desktop, so the desktop utilization is higher, save money, I also convenient, really good!But just did the system reconstruction, countless phone calls again: We have to look at Excel and PPT is enough, you have to help me install Excel and PPT; We human resources as lo
, Saturday early up, in the wife of the roar of the slam door and go, straight to Zhongguancun.
The first step: purchase 1U Server Accessories
You must be particularly concerned about what configuration my server is going to use. Oh, that also used to say, of course, do not look expensive, P4, Xeon We do not need, anyway, is to try to play a game, so go straight to AMD counters, according to the following cheap prescription:
Item model Price (for reference only)CPU Bulk amdxp2500+ 580 yuanMemory
the present and past tense.
Consider naming events using a verb.
8.2.10 Capitalization Summary
Type Case Notes
Class/struct Pascal Casing
Interface Pascal casing starts with I
Enum Values Pascal Casing
Enum Type Pascal Casing
Events Pascal Casing
Exception class Pascal casing End With Exception
Public Fields Pascal Casing
Methods Pascal Casing
Namespace Pascal Casing
Property Pascal Casing
Protected/private Fields Camel Casing
Parameters Camel Casing
9. Programming practices
9.1 Visibility
Do
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default, and every C # programmer should be aware of it.Use attributes instead. You can use a public static (or constant) for this rule to be with an exception, taking it should not be a rule.9.2 No "magic" numberDo not use the magic number, that is, in the source code directly with the constant value. Instead of these latter in case of change (say, your application can handle 3540 users instead of 427 your code in 50 lines by dispersing 25000LOC) is
error on the console or cannot understand the error. Example:
[2010-03-29
10:02:47-Sudoku] W/resourcetype (3540): Bad XML block: Header size 62
Or total size 26129448 is larger than data size 0 [2010-03-29 10:02:47-Sudoku] E:/workspace/Sudoku/RES/menu. XML: 2: Error error parsing XML: No element found [2010-03-29 10:04:55-Sudoku] W/resourcetype (4892): Bad XML block: when Header size 62 or total size 0 is larger than data size 0 or higher,
Click proj
magic numbers, that is, using constant values directly in the source code. Replace the latter to prevent changes (for example, your application can process 3540 users instead of 427 your code in 50 lines by dispersing 25000LOC) is wrong and there is no benefit. Declare a constant with numbers to replace:
Public class MyMath
{
Public const double PI = 3. 14159...
}
10. Encoding example
10.1 Brace placement example
Namespace ShowMeTheBracket
{
Public e
;
PS-e-o PID, pcpu, user, argS | sort-n + 1"
View the SQL statement corresponding to the process number
Select p. spid, S. status, substr (S. machine, 1, 10) machine, substr (S. program, 1, 10) program, substr (Q. SQL from V $ session S, V $ PROCESS p, V $ sqlarea Q where S. paddr = P. ADDR and S. SQL _id = Q. SQL _id (+)
Case: Database CPU usage is too high
3540, 84.25%, active, FJ-zyite-a, Perl @ FJ-zy, select
When you develop Android applications on the eclipse platform, you may encounter the following error message: "unparsed aapt error (s )! Check the console for output ", because it does not describe where the error is, I do not know how to fix it, So Baidu looks for many of themArticleAll said:
You can check the prompts in the console.
For example, if a new XML file: newscreen. XML is added to RES/layout, the following error message is displayed on the console:
The layout file name can only
The biggest difference between the Raid10 run function and the RAID5 run function is setup_conf, which is directly deep into the core:
3540 static struct r10conf *setup_conf (struct Mddev *mddev) 3541 {3542 struct r10conf *conf = NULL;
3543 int err =-einval;
3544 struct Geom Geo;
3545 int copies;
3546 3547 copies = Setup_geo (amp;geo, Mddev, geo_new); 3548 3549 if (copies = = 2) {3550 PRINTK (kern_err "md/raid10:%s:
IntelliSense: Cannot overload functions that are only differentiated by return type
D:\programfiles (x86) \microsoft Sdks\windows\v7.0a\include\winbase.h 3540
In the VS2010 under the C language to write Windows system services, from another C # project copy over a section of code, modify and then compile, it produced this error!
The answer to the online search is that "you cannot overload a function that is differentiated only by the return type"
TCP Header
Follow figure bit coordinates: 0-0 to 0-15 Sender port, 0-16 to 0-31 receiver Port, 32-0 to 32-31 sequence number,tcp serial number; .... 64-0 to 64-31 Ack number,tcp confirmation number, TCP serial number +1, 96-0 to 96-3 data offset, 96-4 to 96-6 reserved bit, 96-7 to 96-15 flag flag, 96-16 to 96-31 buffer size; 128-0 to 128-15 check digit; 128-16 to 128-31 identifies the location of the urgent data; 160-0 to ... option segment;TCP flag Flag bitNS (1 bit): ecn-nonce-concealment pr
LDAP Unified authentication solution under Linux--http://www.cangfengzhe.com/wangluoanquan/3.htmlEnterprises need to authenticate a lot of services, employees need to remember a lot of passwords, even if the same password settings for these services, there is a great security risk. The author of the current work of the enterprise is so, every new employee to the arrival of the administrator to initialize a lot of passwords, and these passwords are set to "888888" and other weak passwords, due to
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