Recently received an HTTP interface performance test task, thought: HTTP interface test is very easy, and the same as the Web page in the browser to record the script can be obtained, No 10 minutes. But it turned out to be a long day, because the
Date-time functions①time functionMain function: Returns the number of seconds (timestamp) from green time (1970-1-1 0:0:0) to the current time②date functionBasic syntax:String Date (string $format [, int $timestamp])Main function: Returns the
1. Command format
Parameters
Describe
U
User, which is the owner of the file or directory
G
Group, which is the group that owns the file or directory
O
Other, except
Common command-->. lsfunctionLs-->list: (List directory contents) is used to display the list information in the contents of the directory, and to distinguish between different file types by color, of course, you can display files to find
Date-print or set the system date and timeDisplay the current time in the given FORMAT, or set the system date.Function: Displays the current time in the given format, or sets the system date.Syntax: Date [OPTION] ... [+format]Parameters:-d-sFormat
Organize fromHttps://www.shiyanlou.com/courses/running/61One, file packaging and decompressionBefore you talk about the Unzip tool on Linux, it is important to understand the following commonly used compressed package file formats. On Windows Our
IntroducedThe use of Zip,rar,tar is described in the compression/decompression tools commonly used on Linux.One, file packaging and decompressionBefore you talk about the Unzip tool on Linux, it is important to understand the following commonly used
A croncrond is located in/etc/rc.d/init.d/crond or/ETC/INIT.D or/etc/rc.d/rc5.d/s90crond, the most general reference to/var/lock/subsys/crond. Cron is a timed execution tool under Linux (equivalent to scheduled task under Windows) that runs task
Python logging modulePython logging provides a standard logging interface, and the Python logging log is divided into 5 levels:debug(), info(), warning(), error() and critical()Simple usageimport
Configparser module is a python from the file to get the fixed format parameters of the module, because it is python only, we should use a lot of, I think this parameter module is more flexible, add parameters, modify parameters, read parameters,
A cronCrond is located in/etc/rc.d/init.d/crond or/ETC/INIT.D or/etc/rc.d/rc5.d/s90crond, the most general reference is/var/lock/subsys/crond.Cron is a timed execution tool under Linux (equivalent to scheduled task under Windows) that runs task
Objective
In a Web application, exceptions are very common when request processing occurs. Therefore, when the application of various types of anomalies, the exception of the capture or two processing (such as SQL Anomaly can not be thrown
Run Premiere6.0, set the custom VCD format of the video format parameters, such as frame size (framesize) for 352x288, frame rate (framerate) is 25, video encoding (compressor) for " Picvideomjpegcodec ", point [OK] into the main interface. We can
Early in the. NET for system operations, the same function to achieve a very complex, did not expect to use JavaScript is so simple, so search the Web code and improve.
function PathList (path) {
var fso = new ActiveXObject
The whole computer is zoned for Ubuntu.Install software When a clear feeling is a lot of things, with the terminal's command line to do is very easy, with the graphical interface is often very complex, and many times there will be permissions, for
JDK1.5, the string class has added a useful static method String.Format ():Format (Locale l, string format, Object ... args) returns a formatted string using the specified locale, format string, and parameters.Format (string format, Object ... args)
1. CommentsStart with #2. StringThe data type is str type;Enclosed in double quotation marks "" or single quotation marks, if the string contains characters, the ' This is a ' string ' format3. NumberThere are only two types of int and float
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