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One day learning a new PHP function (2) fgetcsv ()/fgets ()

File read and write is a frequent action, read the function of the file is thousands of, complex, simple also has. Most commonly used conveniently have file_get_contents (), file_put_conents (), do not need to open the file, close the operation of the file. However, when a large file is read, file_get_contents () reads the contents into memory, causing the memory to overflow, preferably a loop to read by line. Fgetcsv () is used to read a row of CSV files, and fgets () is used to read common fil

PHP file read function Application example, _php tutorial

parameter is optional, in which I have previously written a line of text containing HTML, body, H1 tags in the leapsoulcn.txt file, and then in the code I set only allow H1 tags to appear. The Fgetcsv function is another variant of fgets, and the difference is that when you write data in your text file using a delimiter, you can use Fgetcsv to break a row into multiple rows, the returned results are stored in an array, and the function is prototyped as follows: Array Fgetcsv (Resource fp,int le

Php method for exporting MySQL data to a CSV file using the specified encoding _php tutorial

; charset=cp1252 '); Header (' content-disposition:attachment;filename=output.csv '); /* * Output header row (if atleast one row exists) */ $row = Mysql_fetch_assoc ($result); if ($row) { Echocsv (Array_keys ($row)); } /* * Output data rows (if atleast one row exists) */ while ($row) { Echocsv ($row); $row = Mysql_fetch_assoc ($result); } /* * echo the input array as CSV data maintaining consistency with most CSV implementations *-Uses double-quotes as en

PHP file read operations-PHP source code

(resource fp, int length, string [optional] delimiter, string [optional] enclosure) Delimiter is optional. Because t is used in the data written to the file before, t is used in the file reading function fgetcsv In the instance, then print out the array structure returned by fgetcsv through print_r.The three PHP file read operation functions fgets, fgetss, and fgetcsv all need to use the fopen function to open the file to be read in advance, and use

Swift XML Parsing Library-Swiftyxmlparser

After sifting through the cocoapods, this is a better and more useful arrangement.If necessary, you can enter it on the pods command side:Pod Search XML  This will search for a number of third-party libraries related to XMLSwiftyxmlparser is an XML parsing third-party library under Swift, supports indexing, supports keyvalue form of access,Environment and Language support: IOS 8.0+, Swift 2.0+Use:let urlstr = Apiurl + "/" + xmlfile (newstype) alamofire.request (. GET, urlstr). Respons

Get Many Persimmon Trees_ enumeration && Two-dimensional tree-like array

the maximum possible number of persimmon trees that can is included in an estate of the given size.Sample Input1610 82 22 52 73 33 84 24 54 86 46 77 57 88 18 49 610 34 386 41 22 12 43 44 25 36 16 23 20Sample Output43"Test Instructions" gives a n*m land, circle a w*h small plot, requires the most trees;"Idea" enumerates all possible enclosures, using a two-dimensional tree array to figure out how many * the enclosure gets, with the maximum output#incl

Create an AIX rootvg image and replace the disk

operation on rootvg # mirrorvg-c 2 the time required for this operation is related to the size of the space currently used by rootvg. In actual operation, the size of 95 GB, which takes 2 hours. F) Create boot information on the two rootvg disks # bosboot-ad hdisk0 # bosboot-ad hdisk1g) the sequence in which the device system starts the device # bootlist-m normal hdisk0 hdisk1 cd0 here, the image of rootvg is complete. Image rootvg disk replacement ================================ for example,

Quickly build a device panel based on HT for WEB 3D Technology

(s), left=createnode ([ -w/2+k/2,0,d/2],[k,h,1],false,false). s (s); Up.sethost;d own.sethost (face), left.sethost (face), right.sethost (face); The logic of the code is this, first create a box as the enclosure, and then set the front face of the box to hide, and then create a polygon as a door, the gate is set to light blue translucent, and finally create 4 blue box affixed to the edge of the door as decoration, so a cabinet is completed. The equi

Quickly build a device panel based on HT for WEB 3D Technology

logic of the code is this, first create a box as the enclosure, and then set the front face of the box to hide, and then create a polygon as a door, the gate is set to light blue translucent, and finally create 4 blue box affixed to the edge of the door as decoration, so a cabinet is completed.The equipment model has, the cabinet has, the next job is to combine the two, the method is very simple, is to create equipment and the device to the cabinet,

Manage all Web server nodes with Rex

applications I will combine the Rex as a normal module, by invoking the Rex module in his own script to provide some of the methods for remote operation, flexibility, availability is relatively strong. That's one of the main reasons I chose Rex.Introduce the environment on my Line:I want to manage 7 projects, each with a clustered environment (averaging 4 nodes or so), and the Web service on each node is tomcat7.0+ jdk1.7 environment; session sharing uses a clustered environment consisting of t

2015 after the winter, whether the hand tour can still be rejuvenated

demographic dividend has gradually disappeared, mobile games have ended the "violent enclosure" stage. Simply relying on the product type of a single "blindly follow the trend", clever design and "simple and rude" charges have not satisfied the market demand, but also can not bring sustainable and healthy development capacity for enterprises. More and more facts prove that understanding the real needs of users, improve product quality, increase innov

Where is the future of mobile gaming?

Hand Tour is a very young industry, basically from last year I called Mt Hot started, is a blue ocean.Mobile games Total water 2013 than 2012 growth of 155%, this increase amplitude can you say it has no prospects?With the development of hardware and software, people's attention will gradually return to the mobile terminal This is the inevitable trend. Everyone, Weibo, VW reviews are not already on our mobile phone, mobile games are fengfenghuohuo into our lives.This piece of fat you guys stare

RSS generation instance implemented by php

$ tags; Var $ attachment; Var $ length; Var $ mimetype; Function RSSItem () { $ This-> tags = array (); } Function setPubDate ($ when) { If (strtotime ($ when) = false) $ This-> pubDate = date ("D, d m y h: I: s", $ when). "GMT "; Else $ This-> pubDate = date ("D, d m y h: I: s", strtotime ($ when). "GMT "; } Function getPubDate () { If (empty ($ this-> pubDate )) Return date ("D, d m y h: I: s"). "GMT "; Else Return $ this-> pubDate; } Function addTag ($ tag, $ value) { $ This-> tags [$ tag] =

Getting started with php

// File operation functions// Write related functions// Write $ string to the file pointer $ handleInt fwrite (resource $ handle, string $ string [, int $ length])// The function is the alias function of fwrite.Fputs ()// Write operations can also be completed. The difference is that fopen (), fwrite (), and fclose () are integrated. You do not need to open or close the file again when using this function.Int file_put_contents (string $ filename, mixed $ data [, int $ flags = 0 [, resource $

Box2d v2.1.0 user manual translation-Chapter 1 Collision Module)

can execute this collision time function when the rotation angle is fixed, so that no collision will be missed.4.11 Dynamic Tree) Box2d uses b2dynamictree to efficiently organize a large number of shapes. This class does not know the existence of shapes. Instead, it uses the User Data Pointer to operate the axis alignment package enclosure (AABB ). A Dynamic Tree is a layered AABB tree. Each internal node of the tree has two subnodes. The child node

(Updated version) Android Videoplayer in scrolling list for item video playback (ListView control and Recyclerview)

implementation of this method:/** * This method calculates visibility percentage of currentview. * This method works correctly when CurrentView is S Maller then it ' s enclosure. * @param Currentview-view which visibility should be calculated * @return currentview Visibility Perce NTS * *@Override Public int getvisibilitypercents(View CurrentView) {intPercents = -; Currentview.getlocalvisiblerect (Mcurrentviewrect);intHeight = currentview.getheight (

High Performance Website Architecture Design cache Chapter (4)-Master-slave replication

RAID is an abbreviation for redundent array of inexpensive disks, literally "Redundant array of Inexpensive Disks" or "Disk array". Later, the letter I in the raid was changed to Independent,raid as a "stand-alone redundant disk array". The disk array is made up of a number of inexpensive, smaller, more stable, slower disks, combined into a large disk group, to improve the performance of the entire disk system by providing the added effect of data generated by individual disks. At the same time,

Linux View BIOS Information

Dmidecode-t 1 View serial number and brand modelSSACLI Ctrl slot=0 Show detail|grep "Cache Ratio" array card (write-back mode) configurationSSACLI Ctrl slot=0 Show detail|grep "Current Power Mode" BIOS (High performance) configurationDmidecode-t 0bios InfoDmidecode-t 38IPMI InfoSSACLI Ctrl slot=0 Show detail array card information firmware VersionRef: 16945095The following structure types are defined in SMBIOS specification 2.7.1: Type Description 0 BIOS Inf

Process-hidden methods as well as analysis comparisons and implementation links

memory modules that are loaded by the traversal process cannotFind traces of hidden programs.5 rootkit modeIntel CPUs have 4 levels of privilege: Ring 0, Ring 1, Ring 2, Ring 3. Windows uses only the ring 0 and ring 32 levels.The operating system is divided into the core and the shell two parts: the kernel runs at the RING0 level, often called the core State (or kernel state), for the implementation of the lowest management function, in the kernel stateAccess to system data and hardware, includ

Linux megaraid command line usage tool

MegaRAID is an LSI command-line RAID management tool, we used to configure the raid through the Web page to configure, the steps are cumbersome, and the configuration will need to restart the operating system. The MegaRAID tool allows us to configure management raid at the command line, which is highly efficient and very awesome to use. This approach is a dream dimple for children's shoes, which are accustomed to GUI style. :-)。 command line, you can not restart the operating system, the configu

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