Operating system upgrade to Windows 10 will be in C disk to generate a Windows.old folder, generally occupy a larger C disk space, resulting in a C disk space is insufficient.
Reason analysis:
This folder is the data for the operating system
First install the Lenovo settings program in the App Store and update the website's "Lenovo Battery gauge for Windows 64-bit-notebooks" drive, and then restart your computer to open the Lenovo Settings, the option to find the battery charging
The computer keyboard is broken, the typing party. Repairs are usually slaughtered. Buy a keyboard on your own online to pack the wholesale price. is so willful.
1, Ready tools, disconnect the power, remove the battery.
2. Use a
1, the replacement of solid state hard drive (SSD)
First turn off the computer, then remove the mobile battery (note: There are two batteries, the inside and together), unscrew the screws, open the back cover can be opened after the image:
Only
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
series machine). To launch the Toshiba Hardware Setup program, the Toshiba Hardware Setup program provides a user-friendly graphical interface to modify the BIOS settings. Please note that if you change some settings, you must restart your computer before it can take effect. The Toshiba Hardware Setup program is pre-installed in the Toshiba notebook computer. He can also be downloaded as part of the Toshiba utility program.
2, in the system to carry out the self-test process while holding down
This is almost a post, but I hope to publish this as the homepage to help more Linux users solve network problems as soon as possible.
Recently, due to work needs, I once again picked up the LINUX that I had previously installed based on interest and gave up due to too few applications.
I use redhat linux es5.4. for excellent linux operations and powerful network functions, I have installed Fedora16, RedhatLinux9.0, ubuntu 11.10, ubuntu 10.04, and other versions on VMWARE, in order to enable the
QQ has never been used before, A while ago, ThinkPad x201 was reinstalled with Windows 7x64 it was found that qq2012 was installed, move QQ to the edge of the screen QQ slides up and hides it however, when you move the mouse up, QQ can automatically slide down but now I'm going to play it back again, and move the mouse up and then QQ will slide all slowly very not Convenience. I found the cause for a
X201, I was worried about restoring ThinkPad with one click (I had to install XP as a dual system, and it took me a lot of effort to recover). later I accidentally discovered the WUBI tool, which can be installed without partitions, so I made a bold attempt to compete successfully! And the amazing 3D desktop effect is enabled !! However, when surfing the Internet, the speed of updating/downloading can reac
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
Phenomenon:
During the VMware virtual machine startup process, the screen is dark;
After startup, the Power/configuration button click in the upper right corner does not work, and the Start browser interface is dark.
Possible cause: The computer's graphics driver needs to be updated.
My computer is ThinkPad X201,ie browser to visit Lenovo Support website, click Run auto-detect, download and install th
According to the characteristics of the company's business, our colleagues often need to travel outside, or long-term overseas, we are in the procurement of IT equipment has also done a corresponding adjustment to facilitate the work of colleagues.
1. Hardware aspects
Lenovo Thinkpad X201: thin, stable performance, business trip can reduce a lot of load
Plantronics Headphones: Voice phone and video whe
series: s85x,s80x,s78x,s77x,s74x,s72x,s71x (H61-ivybridge platform), s59x,s56x,s51x,s52x,s31x,s32x.
Yang Tian a series (Q87,q77,q75,b75,h81,h61-ivybridge,a75 platform)
Yang Tian M series (H81,h61-ivybridge,a75,a68 platform)
Yang Tian T Series (H81,h61-ivybridge,a75 platform)
Yang Tian R series (H61-ivybridge,a75 platform)
Yang Tian W series (H81,h61-ivybridge platform)
ThinkCentre series desktop, integrated machine
ThinkCentre m8400t (Q77 platform), ThinkCentre m8400s (Q77 platform)
Thi
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