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How can I avoid Java code in JSP files, using JSP 2?
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The use of scriptlets (those <% %> things) in JSP is indeed highly discouraged since the birth of taglibs (like JSTL) and EL (Expression Language, those ${} things) way back in 2001.
The major disadvantages of scriptlets are:
R...
Find text string using jQuery?
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jQuery has the contains method. Here's a snippet for you:
<script type="text/javascript">
$(function() {
var foundin = $('*:contains("I am a simple string")');
});
</script>
The selector above selects any element that contains the target string. The foundin will be a ...
Drawing a dot on HTML5 canvas [duplicate]
... if you put it in the <head> </head> section surrounded in <script> </script> tags. That is it works if I put it in the body but I like to have all my script code in the <head> section of my HTML.
– Doug Hauf
Feb 20 '14 at 18:59
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HTML Input=“file” Accept Attribute File Type (CSV)
...browsers as far as I know, But here is an alternative to it, Try this
<script type="text/javascript" language="javascript">
function checkfile(sender) {
var validExts = new Array(".xlsx", ".xls", ".csv");
var fileExt = sender.value;
fileExt = fileExt.substring(fileExt.lastIndexOf(...
Event on a disabled input
... $("input[readonly]", this).attr("disabled", true);
});
and the input (+ script) should be
<input type="text" readonly="readonly" name="test" value="test" />
$('input[readonly]').click(function () {
$(this).removeAttr('readonly');
})
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How do I detect IE 8 with jQuery?
...forget that you can also use HTML to detect IE8.
<!--[if IE 8]>
<script type="text/javascript">
ie = 8;
</script>
<![endif]-->
Having that before all your scripts will let you just check the "ie" variable or whatever.
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Remove All Event Listeners of Specific Type
... even added, similar to Toms answer above, by adding this before any other scripts are loaded:
<script type="text/javascript">
var current = document.addEventListener;
document.addEventListener = function (type, listener) {
if(type =="keydown")
{
//do nothin...
Difference between freeze and seal
I just heard about the JavaScript methods freeze and seal , which can be used to make any Object immutable.
8 Answers
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What is a postback?
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Postback happens when a webpage posts its data back to the same script/dll/whatever that generated the page in the first place.
Example in C# (asp.net)
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if (!IsPostback)
// generate form
else
process submitted data;
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Add a prefix to all Flask routes
...way mount to sub path in uwsgi uwsgi -s /tmp/yourapplication.sock --manage-script-name --mount /yourapplication=myapp:app . detail refer to (uwsgi document)[flask.pocoo.org/docs/1.0/deploying/uwsgi/]
– todaynowork
Jun 12 '19 at 6:06
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