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Ask a question. I want to display field 1 field 2 field 3 on the webpage... Numeric value... Numeric value... Numeric value... Numeric value... Numeric value... Numeric value... Similar to this interface, when you move the cursor between the field and the dictionary, you can drag the row width, just like in an excel table. Ask a

I would like to ask a question about php and html. at the very beginning, I am very confused about a reference question. Example: lt; form gt; lt; table gt; lt; tr gt; lt; td gt; a lt;/td gt; lt; -------- lt;/tr gt; lt;/table g ask a question about php and htm

Could you tell me a question about game development? which of the following technologies can be used to develop shooting online games? thank you! Online game development ask a question about game development Which of the following technologies can be used to develop shooting online games? thank you! Online game development: ------ Solution --------------------

[Question post] I would like to ask a few questions about memory allocation policies of Java virtual machines. I recently read Zhou Zhiming's "deep understanding of Java virtual machines", but I have a few questions that I don't quite understand. I hope my friends who have research on virtual machines can help me solve them.First, let's talk about the environment I tested: Operating System: Mac OS X 10.11.6

Ask a DNS question. Thank you for configuring sendmail... -- Linux Enterprise Application-Linux server application information. For details, refer to the following section. Hello everyone, I encountered a Problem When configuring sendmail. My DNS can now be resolved normally and can work normally through nslookup testing. Now I want to configure a sendmail server, but there is a problem in the following hos

("Local ICE candidate: \ n" +evt.candidate.candidate); - - } + -Localpeerconnection.onaddstream =function(evt) { +REMOTEVIDEO.SRC =Url.createobjecturl (evt.stream); ATrace ("Add remote stream to other peer") at }; - - Localpeerconnection.addstream (localstream); -Trace ("Added Localstream to Localpeerconnection"); - - if(iscaller) { in Localpeerconnection.createoffer (gotdescription, handleError); - to } + Else{ - Localpeerconnection.createanswer (localpeerconnection.remotedescrip

Ask a question in MVC mode. Please help. MVC link root directory Recently, I have been studying MVC development. Now we have a problem. I use Smarty as V. My entire website is on. Under the WWW/ECHO directory. A problem occurs. for example, you cannot directly enter a link such as control/method when linking. You need/echo/control/method to perform the operation. If not. There will be a problem. for example

Ask a shell question-Linux general technology-Linux programming and kernel information. The following is a detailed description. Continue_promptYN () { _ STR = $1 _ DEFAULT = $2 If [$ #-lt 1]; then Echo "continue_prompt: I need a string to display" Return 1 Fi While: Do Echo-n "$ _ STR [Y... N] [$ _ DEFAULT]:" Read _ ANS :$ {_ ANS: =$ _ DEFAULT} If ["$ ANS" = ""]; then Case $ _ ANS in Y) retu

Ask for a BASH question-Linux general technology-Linux programming and kernel information. The following is a detailed description. > Fname1_file1.txt > If [[$ fname = '*. txt']; then echo yes; else echo no; fi > No .................................... > Var = "zhongguo" > [[$ Var = "waiguo"] > Echo $? > 0 > [[$ Var = "waiguo"] > Echo $? > 0 > [[$ Var! = "Waiguo"] > Echo $? > 0 ...............

Since a number disappears, there must be a number that appears once and the other numbers appear even several times. It is not necessary to use the search to do, using the two characteristics of the XOR operation--1. Self-XOR or result 02. Different or satisfy the Exchange law.So we're going to have these numbers all different or again, and the result must be that number that only appears. The sample code is as follows:Int[] Arra = {11,12,3,12,11,12,12};Static voidMain (string[] args) {

Ask a basic linux Network question. Can you see this is feasible? -- Linux Enterprise Application-Linux server application information. For details, refer to the following section. If you want to establish a local area network, can you suggest a better solution? Using linux as the gateway, 10 other machines connect to the internet through this linux machine; should this linux machine be a dual Nic? In add

Ask an audio question? -- Linux general technology-Linux programming and kernel information. The following is a detailed description. I used fedora6. I just wrote a sound playing applet. This program is to make some simple control on the playing sound, adjust the volume, switch the sound and so on, now the basic functions have been achieved, but there is still a small problem. that is, when the sound is

Ask a simple linuxshell Program-Linux general technology-Linux programming and kernel information. The following is a detailed description. Example of the interrupt loop command: #! /Bin/bash I = 0 While [$ I-lt 10] Do I = 'expr $ I + 1' If [$ I-eq 3] Then continue Fi If [$ I-eq 7] Then break Fi Echo "$ I" Done Error after running: syntax error near unexpected token 'then' Why is this ...... Another

Ask a question about the C language array! -- Linux general technology-Linux programming and kernel information. The following is a detailed description. Is there a limit when defining arrays ?? For example, int a [10000000000000000]; is it feasible ?? I made a simple example. Main () { Int a [100000000000000000]; Long I; For (I = 0; I { A = I;}}The compilation is successful, but the executio

Ask a basic question: how does name "attachment. fileName" return a value? The front-end defines the following set of input boxes to pass the uploaded file information. The post method is submitted to the background. how can I set the value in the background? Try $ _ REQUEST ['attachment. id']; the value cannot be obtained Try $ _ REQUEST ['attachment'] ["id"]; the value cannot be obtained.

Ask a database question. there is a table containing the data stored every day and how to retrieve the number of data entries per month. This is the ec_ip_article table, and iptime is the daily timestamp. Is there a simple way to get an SQL statement every month, and then count the number, that is, there are too many SQL statements. Reply to discussion (solution) select FROM_UNIXTIME(ip

Ask a question about database table naming. For example, if the two tables are of the same nature Table1 Table 2 Or Table_first Table_second Or TableFirst TableSecond Or Table1st Table2nd Which of the following statements is good? is it related to non-professional? Reply to discussion (solution) Just clear your score.Generally, the purpose of the table should be aware of from the

Ask a question about a CI framework: Id (int) name (char) sign (char) Run $ query = $ this-> db-> get ($ table ); $ Data = $ query-> result_array (); Then you want to get the value of sign (not for display, but for obtaining the value in the controller or model) I tried to use $ data ['sign'] to get what I wanted, but it could not be successful, no matter whether there are multiple rows or only o

I am eager to ask a php question online. thank you! Function number ($ str) { Preg_replace ('/\ D/S', '', $ str ); } Echo number ('text mosquito 38 '); The extracted number $ asd = preg_replace ('/\ D/S', '', $ str); cannot be obtained. Reply to discussion (solution) Urgent request ~~~ Please help me. Because your function does not return values. Function number ($ str){Return preg_re

Ask a question about the parse_str function. the parse_str function is very useful. you can convert a string to an array with an index. However, if the index value contains A. sign, it will automatically convert it to an underscore. For example: $ Key = "modern educational technology "; $ Postd [1] = "course. title = "; $ Postdd = $ postd [1]. $ key; Parse_str ($ postdd, $ fields ); Print_r ($ fields );