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Dotall tag is specified, it can match any character that includes a line feed.19. If a match is encountered, it will not be considered an escape character when it encounters \ n and other escape characters, all at compile time.Re.compile (regular expression, re. Simport rer=re.compile(r‘.net‘,re.S)print r.findall(‘\nnet‘) 19. If you are dealing with multiple lines of string, you can use it to re. M, for example: for file processingimport res=‘‘‘ababcabcd‘‘‘r=re.compile(r‘^a‘,re.M)print r

can call theif (xhr.readystate==4) {//When the server status code equals 200, returns success on behalf of the serverif (xhr.status==200) {//callback functionSuccess Succss (xhr.responsetext);}else{Alert (' Error, ERR: ' +xhr.status ');}}}}Call:Ajax (' Get ', ' 1.php ', ' ', function (data) {Console.log (data);})HTTP status code: total of 5 types1 Word start: Represents message Type2 Word Start: Represents success Type3 Word start: Represents the type of the reset item4 Word Start: Represents

time.Oracle Orainventory[[email protected]app]# DateFri Jul 15:40:39 CST 2014[email protected] ~]# #到了时间 look at it already.Liuhezi Oracle Orainventory[email protected] ~]# ATQ #查看at工作调度1 2014-07-26 15:19 a root[email protected] ~]# ATRM 1 #删除at工作调度[email protected] ~]# ATQ(2) TheBatch command makes the system empty when the background task, he will be the CPU workload is less than 0.8, only when you want to perform your work tasks. usage is similar to at user. yesterday crontab in the synchron

(supplementary character This is a very necessary explanation. Utf-16 is Unicode) is a way to implement. Namely put unicode16 code element A sequence of 1 2 16 In the basic multi-lingual level, each character is represented by a number of lines, often referred to as a code unit,while auxiliary characters are encoded with a pair of contiguous code units. The encoded values in this form fall within the free 2048 bytes of the basic multilingual level , often referred to as the alternate area (

percentage of high availability ratios are running down, detailing the maximum downtime per year, month, and week for each high availability rate. Typically, the corresponding availability ratio is calculated with monthly downtime. Depending on the importance of the system, a reasonable availability ratio should be set for the system. The greatest advantage of clustering is its high availability, which can be used to some extent by avoiding data los

The previous article, "WMI for server Performance monitoring", describes how to get server performance through remote COM (which can also be used locally), so this article mainly says that the Windows system comes with performance

'************************************************************** '------------------------------------------------------------- ' First parameter ' Can be a table name, or it can be an SQL statement '--------------------------------------------------

This is a Fuji-kang camera icon, seen on a foreign website, feel pretty beautiful, now to everyone to analyze the production process, hope to learn from each other, not to mention the tutorial, only for reference. Now let's get started! First of

When an expression is checked, a literal symbol provides a way to edit the regular expression. You can use a literal symbol to keep the regular expression constant. For example, if you use a literal symbol to construct a regular expression in a loop,

First, broadcast Sender & Broadcast receiver Introduction 1. Broadcast Receivers The broadcast receiver is simply the Java class that receives the broadcast intent, and this Java class inherits the Broadcastreceiver class and overrides: public

Bloggers said : In this article, the main introduction of the cookie mechanism and session mechanism, and focus on the difference between the two, hoping to help you have a more in-depth cookie and session of a better understanding. Body Cookie

Most of the time you are concerned with optimizing select queries, because they are the most commonly used queries, and it is not always straightforward to determine how to optimize them. In contrast, loading data into a database is straightforward.

Final effect: Step 1: Create a new file in Photoshop, as shown in the following figure. Next, create another (600x400) pixel-Large file and populate the texture cxxxxxxxxvii. Grid it, adjust the saturation, and then execute the Edit –>

Canvas label, Canvas's Chinese meaning is "canvas", and its performance in the Web page, but also the role of the canvas. your browser does not support canvas, please upgrade or replace the browser Some browsers do not support canvas tags,

Abstract Factory mode Description 1. The problem of the factory method pattern: In the factory method pattern, the creation class all needs to go through the factory class, if wants to extend the program, must modify the factory class, this

The following are new objects that are not regular expressions see properties for the corresponding JavaScript object $_ attribute Reference input $* Property Reference Multiline $& Property Reference Lastmatch $+ Property Reference Lastparen $ '

Regular expression is regular expression, it seems that English is better than Chinese understand more, is to check expression characters do not conform to the rules!! Regular expressions have a very powerful and complex

Boost reads XML file Boost provides support for configuration file reads: Property_tree. Basic_ptree is the core foundation of Property_tree. Its interface is like Std::list. You can perform a number of basic element operations, such as using