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How to upload files to server using JSP/Servlet?
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Introduction
To browse and select a file for upload you need a HTML <input type="file"> field in the form. As stated in the HTML specification you have to use the POST method and the enctype attribute of the form has to be set to "multipart/f...
Is JavaScript an untyped language?
... talked about in one of the above answers - the runtime doesn't tag values and just treats each value as bits. JavaScript does tag values and has different behaviour based on those tags. So JavaScript obviously doesn't fit this category.
The other definition is from Programming Language Theory (the ...
What is DOM Event delegation?
Can anyone please explain event delegation in JavaScript and how is it useful?
11 Answers
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Fatal error: Maximum execution time of 300 seconds exceeded
...ries (change path according to your installation)
open config.default.php and change value for $cfg['ExecTimeLimit'] to 0:
$cfg['ExecTimeLimit'] = 0;
This will resolve the issue for PhpMyAdmin imports.
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Check whether a string is not null and not empty
How can I check whether a string is not null and not empty?
31 Answers
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Are trailing commas in arrays and objects part of the spec?
Are trailing commas standard in JavaScript, or do most browsers like Chrome and Firefox just tolerate them?
6 Answers
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How long do browsers cache HTTP 301s?
... new ones.
You can verify this at least in Firefox by going to about:cache and finding it under disk cache. It works this way in other browsers including Chrome and the Chromium based Edge, though they don't have an about:cache for inspecting the cache.
In all browsers it is still possible to overr...
Prevent scrolling of parent element when inner element scroll position reaches top/bottom? [duplicat
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It's possible with the use of Brandon Aaron's Mousewheel plugin.
Here's a demo: http://jsbin.com/jivutakama/edit?html,js,output
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Quickly find whether a value is present in a C array?
...ate through an array of size 256 (preferably 1024, but 256 is the minimum) and check if a value matches the arrays contents. A bool will be set to true is this is the case.
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Regex to Match Symbols: !$%^&*()_+|~-=`{}[]:";'?,./
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/[$-/:-?{-~!"^_`\[\]]/
There are three ranges. '$' to '/', ':' to '?', and '{' to '~'. the last string of characters can't be represented more simply with a range: !"^_`[].
Use an ACSII table to find ranges for character classes.
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