echo | 易学教程

Type code in to a text input form, how?

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问题 I want to know the best way of writing out my "$imagepath" in to this input This is my upload script <?php if(isset($_POST['submit'])){ if (isset ($_FILES['new_image'])){ $imagename = $_FILES['new_image']['name']; $source = $_FILES['new_image']['tmp_name']; $target = "temporary_images/".$imagename; move_uploaded_file($source, $target); $imagepath = $imagename; $save = "temporary_images/" . $imagepath; //This is the new file you saving $file = "temporary_images/" . $imagepath; //This is the

Tomcat自动启动脚本

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Tomcat自动启动脚本 #!/bin/bash # chkconfig: 2345 10 90 # description: Starts and Stops the Tomcat daemon. TOMCAT_HOME=/usr/local/tomcat7 #tomcat目录 TOMCAT_START=$TOMCAT_HOME/bin/startup.sh TOMCAT_STOP=$TOMCAT_HOME/bin/shutdown.sh # necessary environment variables export CATALINA_HOME=$TOMCAT_HOME export JAVA_HOME=/usr/local/jdk1.6.0_03/ #JDK目录 # source function library. . /etc/rc.d/init.d/functions # check that networking is up. [ "${NETWORKING}" = "no" ] && exit 0 # check for tomcat script if [ ! -f $TOMCAT_HOME/bin/catalina.sh ]; then echo "Tomcat not valilable..." exit fi start(){ echo -n

How to Output the results of a MySQL query that used aliases?

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问题 I have two primary MySQL tables (profiles and contacts) with many supplementary tables (prefixed by prm_). They are accessed and manipulated via PHP. In this instance I am querying the profiles table where I will retrieve an Owner ID and a Breeder ID. This will then be referenced against the contacts table where the information on the Owners and Breeders is kept. I received great help here on another question regarding joins and aliases, where I was also furnished with the following query.

How can I echo PHP within jQuery?

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问题 I'm trying to use one of my PHP functions within one of my jQuery functions. I understand that it won't execute the code, but I need to echo the function call, so the server can process it. So far I have this: .html('<h2>Please <a href=""<?php echo absolute_url("login.php"); ?>"">login</a> or <a href="signup.php">register</a> to vote for this post.</h2>(click on this box to close)') But it's not working correctly. I heard that I need to enclose the actual php function call within Javascript

Why doesn't the php page show the same thing in the LogCat?

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问题 My Logcat shows me (correctly) all messages that I want returned, but when I ask the code to display the same thing on another php page, it goes completely wack. Note that is this code, $from = "r", and $to = "". Here is my code: <?php session_start(); /* connect to database */ $db = mysql_connect("localhost", "root", "root"); if (!$db) die('could not connect'); mysql_select_db('androidp2p') or die("could not select database"); /* variables */ $from = mysql_real_escape_string($_POST['from']);

Telnet to a cloud instance from outside

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问题 I have a cloud MS window instance on EC2. I want to telnet this instance from my own machine (outside). What I did: 1- turned off the MS firewall 2- turned on the telnet client and telnet service in the instance.. Now from my machine, if the public ip address for the cloud instance is 80.8.8.9. then, on the the cmd terminal from outside. I wrote telnet 80.8.8.9 where It said that the connection is failed. What I am missing, what is the wrong thing I did.. 回答1: Make sure you go to AWS

How would one echo this jQuery in PHP

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问题 echo "<form class='noPrint' action='demo/saveToExcel.php' method='post' target='_blank' onsubmit='$('#datatodisplay').val( $('<div>').append( $('#dataTable').eq(0).clone() ).html() )'> <pre><input id='excel' type='image' src='img/file.png'></pre> <p id='save'>Save table data to Excel</p> <pre><input type='hidden' id='datatodisplay' name='datatodisplay' /> </form> <input class='noPrint' type='button' id='print' value='Print' />"; When i run the page, i dont get a parse error, however ').append

text box only displaying one word as value

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问题 Can anyone help me understand why a text box won't display a whole string opposed to just the first word? For example if the value of Name is "John Smith", the text box will display "John" echo "<td>" . "<input type = text name = name value =" . $record['Name'] . " </td>" ; 回答1: Thats because you did not quote your attribute value, without quotes spaces terminate the attribute value echo "<td><input type = text name = name value =\"" . $record['Name'] . "\" ></td>" ; 来源： https://stackoverflow

All lines running together in email

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问题 This should be relatively simple but I've never run into it before and now I'm scratching my head. Simple script: echo `tail /var/log/qmailcheck.log` >> $EMAIL cat $EMAIL | mail -s "Daily server report from server.ca" email@here.com (I know I'm missing a set of ticks around the tail cmd just wanted things to look right) The problem is that although the log file I'm tailing out has a new line for every entry the email that gets sent puts everything onto one line so instead of this: Mon Feb 4

bash: wrong behavior in for… loop together with a test statement

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问题 I am trying to test if certain files, called up in a list of textfiles, are in a certain directory. Every once in a while (and I am quite certain I use the same statements every time) I get an error, complaining that the echo command cannot be found. The textfiles I have in my directory /audio/playlists/ are named according to their date on which they are supposed to be used: 20130715.txt for example for today: me@computer:/some/dir# ls /audio/playlists/ 20130715.txt 20130802.txt 20130820.txt