Description of the fs. futimes method in node. js, node. jsfs. futimes
Method description:
Changes the timestamp of the file referenced by the file descriptor provided by a file.
Change Timestamp
Syntax:
Copy codeThe Code is as follows:Fs. futimes
Linux system files have three main time attributes, CTime (change times, instead of Create,), Atime (Access Time), Mtime (Modify). Later in order to solve the atime performance problem, also introduced a Relatime attribute, the following one by one
The differences between the above functions,1. Differences between isset () and empty ()Both are used to test variables. However, isset () is used to test whether a variable is assigned a value, while empty () is used to test whether a variable that
Eight.. PHP mode design----Enterprise Mode (1)
(* Temporarily not split front controller and application controller, all integrated in command class implementation)
1 Registry mode//Registry mode//Registry mode is used to provide a system level
8. PHP pattern design enterprise pattern (1) (* front-end controllers and application controllers are not split temporarily, all of which are integrated in the Command class implementation)
1 Registry mode // Registry mode is used to provide a
I. Linux search command overviewThere are five Linux search commands:Which: searches for the location of a system command in the PATH specified by the PATH variable and returns the first search result;Type: used to identify whether a command is
13 File upload and management related interfacesThis set of interfaces realizes the uploading and management of video resources, and provides support for video transcoding and publishing.The uploaded video files on the server, after transcoding,
Turn from: http://www.cnblogs.com/skynet/archive/2010/12/25/1916873.html1.1, find command general formThe general form of the find command given in the man document is:Find [-h] [-l] [-p] [-D debugopts] [-olevel] [path ...] [Expression]In fact [-h] [
I. Directory documentation Operations directives1. PWD Displays the directory where you are currentlyIf you add the-P option, the correct directory name is obtained instead of being displayed as the path to the linked file. For example, under CentOS,
I. Common SEARCH commandsWe often find a file in Linux, but do not know where to put it, you can use some of the following commands to search:Which viewing the location of an executable fileWhereis viewing the location of a fileLocate to view file
The zero-based Linux 13th chapter(Small to push the door into) students early ~ ~ is a happy day ~ ~650) this.width=650; "src=" Https://s1.51cto.com/wyfs02/M00/A7/26/wKioL1nhytPRD63bAAAln3e-i_I462.jpg "title="- 5759326e8704bfea.jpg "width=" "height="
The zero-based Linux 13th chapter(Small to push the door into) students early ~ ~ is a happy day ~ ~650) this.width=650; "src=" Https://s1.51cto.com/wyfs02/M00/A7/26/wKioL1nhytPRD63bAAAln3e-i_I462.jpg "title="- 5759326e8704bfea.jpg "width=" "height="
Examples of find common usages in LinuxFind Path-option [-print] [-exec-ok command] {} \;The parameters of the Find command;The directory path that the Path:find command looks for. For example, use. To represent the current directory, and/to
There are 5 search commands for Linux, respectively, as follows:
which: Searches for the location of a system command in the path specified by the path variable, and returns the first search result;
type: Used to distinguish whether a command is
Method Description:
Changes the timestamp of a file that is referenced by a file descriptor provided by a file.
Short Change Time stamp
Grammar:
Copy Code code as follows:
Fs.futimes (FD, Atime, Mtime, callback)
Because
Define ("Mysql_open_logs", true);
Class Mysqlihelp
{
Private $db;
Public Function __construct ()
{
What to do if you want to query log logs
}
Public Function __get ($name)
{
echo "__get:", $name;
if (In_array ($name, Array ("DB"), true)//Isset ($
Description
1, the server caches the compressed files, again access reduces the time to compress, reduce the CPU occupancy rate.
2, by setting the client file cache time, reduce the number of requests again, can be reduced by more than 85%.
3,
Source: Wu Qin (Tyler)Link: cnblogs.com/skynet/archive/2010/12/25/1916873.html
Working under Linux, some commands can greatly improve efficiency. This article to introduce you to find, grep command, his brother can be regarded as a mandatory Linux
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.