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Analysis on permissions of mkdir () function in php, phpmkdir Problem description:Use the following php code to create a directory. The expected permission for the directory is 0777, and the actual result is 0755. Mkdir ('./aa/', 0777 ); Analysis and Test results:1. The directory permission specified by the mkdir () function must be less than or equal to the default permission set by the system umask.For example, the default umask in linux is generally 0022, that is, the default permission for c

The mkdir () function of php creates a folder with a safer permission setting method ,. The mkdir () function of php creates a safe permission setting method for folders. problem description: a directory is created using the following php code, and the expected Directory permission is 0777, the actual result is that the mkdir () function of 0755 php is used to create a secure permission setting method for folders, Problem description:Use the following php code to create a directory. the expecte

Problem Description: Use the following PHP code to create a directory, the permissions of the expected directory is 0777, the actual result is 0755 Copy CodeThe code is as follows: mkdir ('./aa/', 0777); Analysis and test results: The 1.mkdir () function specifies that the directory permission can be less than or equal to the default permissions set by the system umask. such as Linux default Umask general 0022, that is, the default permission to create a directory is 0755, so php mkdir ('./aa

Problem Description:Use the following PHP code to create a directory that expects directory permissions to be 0777 and the actual result is 0755 Copy Code code as follows: mkdir ('./aa/', 0777); Analysis and test results: The directory permissions specified by the 1.mkdir () function can only be less than the default permissions set by the system umask. such as Linux default Umask general 0022, that is, the default permission to create a directory is 0755, so php mkdir ('./a

Problem Description:Use the following PHP code to create a directory that expects directory permissions to be 0777 and the actual result is 0755 mkdir ('./aa/', 0777); Analysis and test results:the directory permissions specified by the 1.mkdir () function can only be less than the default permissions set by the system umask.such as Linux default Umask general 0022, that is, the default permission to create a directory is 0755, so php mkdir ('./aa/', 0777) access to the directory is 0755.

This article mainly introduces the php mkdir () function to create secure permission settings for folders. in this case, the system umask affects the specified permission parameters of mkdir, which is smaller than expected, there is no such problem when using the chmod function. if you need it, refer to the following problem description: Use the following php code to create a directory. the expected permission for the directory is 0777, and the actual result is 0755. mkdir('./aa/',0777); Analys

This article mainly introduces the php mkdir () function to create secure permission settings for folders. in this case, the system umask affects the specified permission parameters of mkdir, which is smaller than expected, there is no such problem when using the chmod function. if you need it, refer to the following problem description: Use the following php code to create a directory. the expected permission for the directory is 0777, and the actual result is 0755. The code is as follows: Mkd

Before long, Sogou high speed browser Chrome12 kernel version of the test, a variety of excellent data display, so that we still remember, not only in the speed of Ascension again, in the function also brings many surprises to the user. Today, the Sogou high-speed browser's kernel is upgraded again, the version directly to Chrome14, become a domestic browser in the kernel version of the most browser products. Today's Sogou high-speed browser will be what kind of speed? Let's experience the stron

About I5-4200U (in contrast to i5-3337u,i5-3230m) First the CPU is located in i5, four generations, low voltage (U) Basic parameters: Main frequency 1.6GHz, Turbo 2.6GHz, dual core four thread, 22nm,15w, three level CACHE3MB Comprehensive evaluation Good performance in energy saving and p

be as accurate as possible, in order to ensure easy to understand, may not reach the academic level of accuracy.3) This post emphasizes knowledge and understanding. And in reality, is to spend six hundred or seven hundred to buy a i3, or 1000 buy a i5, the specific situation of the specific analysis, there is no fixed answer.4) If it is local tyrants, just a ' cool ' word. Do not seek cost-effective, only the most expensive. This post is not recommen

connectable; otherwise, duplicate items will appear in the item set. Here is an example of pruning. For example, during the generation process, the listed 3_item set includes {I1, I2, I3}, {I1, I3, I5 }, {I2, I3, I4}, {I2, I3, I5}, {I2, I4, I5}, but because of {I3, I4} and {I4, i5} does not appear in the middle, so {I

connected. After the connection, {I1, I2, I3} is obtained, but {I1, I2} and {I2, i3} is not connectable; otherwise, duplicate items will appear in the item set. Here is an example of pruning. For example, during the generation process, the listed 3_item set includes {I1, I2, I3}, {I1, I3, I5 }, {I2, I3, I4}, {I2, I3, I5}, {I2, I4, I5}, but because of {I3, I4} a

frequent, the candidate is certainly not frequent, so that it can be removed from CK. (Tip: Why do you compress CK?) Because the actual situation of transaction records are often stored on the external storage, such as databases or other formats of the file, in each calculation of the candidate count will need to compare the candidate with all transactions, it is known that access to the external memory is often relatively low efficiency, so Apriori joined the so-called pruning step, The candid

In the domain name resolution process, some users like me, always feel that the takeover status from X to √ wait too long.For example, in the Cloudxns, see the following Red Cross question the Lord always has a thing to do not do always wait to see it turn green impulse.650) this.width=650; "src=" Http://i5.tietuku.com/52e71887fd1d964c.png "style=" margin:0px;padding:0px;border:0px; " />In fact, calm down, the emergence of Red fork may not be the doma

structure includes local variables, registers, andPointer, return address, etc. Since we can see this with formatted strings, we should take a closer look.The following figure shows the structure of the PostgreSQL-based stack. It indicates that the world wide variety of General registers (each group contains eight registers) are available. One of these registers is a global register,The other three registers are out, local, in.Frame 0 frame 1 frame 2[L0] + ----> [l0] + ----> [l0][L1] | [L1] | [

next RX470 card, according to the performance of the graphics card, then decide what CPU better to choose. The RX470 graphics card uses the RX 4,801 Polaris 10 Core, based on the 14nm process, based on the GCN 4.0 architecture. 32 groups of CU units, 2048 flow processing units, 128 texture processing units, 256bit video memory bit width, 8GB GDDR5 video memory, core base frequency 926mhz,boost frequency 1206MHz, Video memory frequency of 6.6GHz, performance equivalent to RX480, belong to the c

' => Array (T ('ibm '), T ('Dell'), T ('sony '), T ('hp ')), '# description' => T ('select your preferred brand '), ); Return $ Form ;} Function Sitemod_callback_ajax (){ $ ID = $ _ Post ['Id']; // Ajax Post Data Switch ($ ID ){ Case 0: Drupal_json ( Array ('Html '=> drupal_get_form ('ibm _ form '))); // Josn data. Form Exit ; Break ; Case 1: Drupal_json ( Array ('Html '=> drupal_get_form ('Dell _ Form'))); Exit ; Break ;}} Function Ibm_form (){ // Definition form

case, a new object is created.40;Integer i2 = new Integer(40);System.out.println(i1==i2);//输出false An example of a richer integerinteger i1 = 40;integer i2 = 40;integer i3 = 0;integer i4 = new Integer (40); Integer i5 = new Integer (40); integer I6 = new Integer (0); System.out.println ( "I1=i2" + (I1 = = i2)); System.out.println ( "I1=i2+i3" + (I1 = = i2 + i3)); System.out.println ( "I1=i4" + (I1 = = i4)); System.out.println ( "i4=

Often some netizens send some high-end tens of thousands of tyrants Computer Configuration let the editor to see, many of them have a number of details or fatal problems, today for everyone to organize four sets of tens of thousands of dollars, can be counted on the tyrants level of user Computer Configuration comments, I hope that we can use the deficiencies, learn to extrapolate it. 10350 yuan Intel unique tyrants computer matching reviews Machine Price "10350 yuan Accessories name brand Mo

integer Integer i1 = 40;integer i2 = 40;integer i3 = 0;integer i4 = new Integer (40 = new Integer (40 = new integer (0 "I1=i2" + (i1 == I2)); System.out.println ( "I1=i2+i3" + (I1 = = i2 + i3)); System.out.println ( "I1=i4" + (i1 == I4)); System.out.println ( "i4=i5" + (i4 == i5)); System.out.println ( "I4=i5+i6" + (i4 = =