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davej

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About davej

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    davej
  • Birthday July 15

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    e-mail: davejonline@hotmail.com

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    STL
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    Learning web development.

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  1. Testing a radio button ON or OFF?

    But... is he oversimplifying in his example? Does he ever use more than one name value?
  2. strpos

    Accidentally using truthiness...
  3. Testing a radio button ON or OFF?

    You need to clarify what you are trying to do. You are not allowed to have two identical id values on the same page because that is illegal HTML. Also these id values seem to be unnecessary -- they don't serve any purpose. Also if these radio buttons all have the same name then ONLY one of them can be checked.
  4. Class Variable Declaration

    Instance variables are usually declared as private because OOP considers "encapsulation" to be a good thing. This is the same reasoning behind minimizing the number of global variables. If some variable does not need to be public or global then it shouldn't be. In your example the constructor sets the values of the instance variables, so they themselves don't need to be public.
  5. Class Variable Declaration

    Seems odd to me that you declare all of the instance variables as public. It is more normal to make them private.
  6. Be aware that it is always to the benefit of the student to modify the code in the Tryit editor in order to verify your understanding of whatever is presented. In the code you mention it is difficult to guess whether the student would know that the following is equivalent... var myResult = myFunction(3,4); // call the function document.getElementById("demo").innerHTML = myResult; // display the result
  7. HTML 5.

    Screen capture images are inappropriate for posting code. Use the code block <> provided in the online editor and paste in your code. SynWrite is merely an editor and has no relevance to your question. I have no idea what a "restore down" button is supposed to do. If your web page is live online then simply supply the link.
  8. As a last resort you can, of course, paste your entire stylesheet into a style block in the head.
  9. White gap between images

    Did you get rid of the default margins and padding? Also be aware that whitespace can create gaps between inline blocks.
  10. javascript code does not show result

    for(var num=3 ; num<n ; num+=2)
  11. Remedy for reducing the website loading time?

    You have ten jpg images that are each over 100kb. One of them is 1.1mb. Use media queries to eliminate these images for small mobile devices. @media screen and (max-width : 480px) { .bigimg{ display:none; } } Or create smaller versions of these images for mobile devices.
  12. Convert manually a html file to csv

    Since the file contains a series of rather complex word definitions such as... <p><b><h1>shrugs </h1></b></p><div class="source-data"> <div class="def-list"> <section class="def-pbk ce-spot" data-collapse-expand='{"target": ".def-set", "type": "def"}'> <header class="luna-data-header"> <span class="dbox-pg">verb (used with object)</span>, <span class="dbox-bold">shrugged, </span><span class="dbox-bold" data-syllable="shrug·ging.">shrugging.</span> </header> <div class="def-set"> <span class="def-number">1.</span> <div class="def-content"> to raise and contract (the shoulders), expressing indifference, disdain, etc. </div> </div> </section> <section class="def-pbk ce-spot" data-collapse-expand='{"target": ".def-set", "type": "def"}'> <header class="luna-data-header"> <span class="dbox-pg">verb (used without object)</span>, <span class="dbox-bold">shrugged, </span><span class="dbox-bold" data-syllable="shrug·ging.">shrugging.</span> </header> <div class="def-set"> <span class="def-number">2.</span> <div class="def-content"> to raise and contract the shoulders. </div> </div> </section> <section class="def-pbk ce-spot" data-collapse-expand='{"target": ".def-set", "type": "def"}'> <header class="luna-data-header"> <span class="dbox-pg">noun</span> </header> <div class="def-set"> <span class="def-number">3.</span> <div class="def-content"> the movement of raising and contracting the shoulders. </div> </div> <div class="def-set"> <span class="def-number">4.</span> <div class="def-content"> a short sweater or jacket that ends above or at the waistline. </div> </div> </section> <section class="def-pbk ce-spot" data-collapse-expand='{"target": ".def-set", "type": "def"}'> <header class="luna-data-header"> <span class="dbox-pg">Verb phrases</span> </header> <div class="def-set"> <span class="def-number">5.</span> <div class="def-content"> <span class="dbox-bold">shrug off, </span> <ol class="def-sub-list"> <li> to disregard; minimize: <div class="def-block def-inline-example"><span class="dbox-example">to shrug off an insult.</span></div> </li> <li> to rid oneself of: <div class="def-block def-inline-example"><span class="dbox-example">to shrug off the effects of a drug.</span></div> </li> </ol> </div> </div> </section> </div> <div class="tail-wrapper"> ...are you saying you would like the above to be converted into... shrugs,verb (used with object),shrugged,shrugging.,1.,to raise and contract (the shoulders),expressing indifference, disdain, etc.,verb (used without object),shrugged,shrugging.,2.,to raise and contract the shoulders.,3.,the movement of raising and contracting the shoulders.,4.,a short sweater or jacket that ends above or at the waistline.,,Verb phrases,5.,shrug off, to disregard; minimize:,to shrug off an insult.,to rid oneself of:,to shrug off the effects of a drug. ...this introduces several problems. For one thing there are embedded commas in the text. Also each element is variable in length.
  13. primary and foregin key

    The idea of a foreign key is that the database would not allow you to enter a non-existent order_number in your cust_time table. It would only accept order_numbers that already exist in the customer table.
  14. Problem Connecting to MySQL

    Show us the include statement that you use, and are all the php files together in one folder?
  15. Problem Connecting to MySQL

    Your question doesn't make any sense. Can the browser display the page?
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