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How can I set focus on an element in an HTML form using JavaScript?
I have a web form with a text box in it. How do I go about setting focus to the text box by default?
9 Answers
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Reading file contents on the client-side in javascript in various browsers
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Original answer
There does not appear to be a way to do this in WebKit (thus, Safari and Chrome). The only keys that a File object has are fileName and fileSize. According to the commit message for the File and FileList support, these are inspired by Mozilla's File object, but they appear...
Spring MVC: How to return image in @ResponseBody?
... me out of box. No need of register converter or anything else if you have web mvc enabled (@EnableWebMvc).
@ResponseBody
@RequestMapping(value = "/photo2", method = RequestMethod.GET, produces = MediaType.IMAGE_JPEG_VALUE)
public byte[] testphoto() throws IOException {
InputStream in = servlet...
Which characters need to be escaped in HTML?
...t in your document in a location where text content is expected1, you typically only need to escape the same characters as you would in XML. Inside of an element, this just includes the entity escape ampersand & and the element delimiter less-than and greater-than signs < >:
& becomes...
Composer install error - requires ext_curl when it's actually enabled
...h curl extension in the one in Apache folder, which is php.ini used by the web server.
Composer, on the other hand, uses php for console which is a whole different story. Php.ini file for that program is not the one in Apache folder but it's in the PHP folder and I had to uncomment the line in it ...
Why does the JVM still not support tail-call optimization?
Two years after does-the-jvm-prevent-tail-call-optimizations , there seems to be a prototype implementation and MLVM has listed the feature as "proto 80%" for some time now.
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How to remove all listeners in an element? [duplicate]
...at the fastest way to do this is to just clone the node, which will remove all event listeners:
var old_element = document.getElementById("btn");
var new_element = old_element.cloneNode(true);
old_element.parentNode.replaceChild(new_element, old_element);
Just be careful, as this will also clear ...
Questions every good .NET developer should be able to answer? [closed]
...ference type?
What does the "readonly" keyword in C# mean?
I think it usually helps to ask your applicants to complete a simple coding exercise such as:
Write your own linked list class without using the built-in classes.
Write your own hashtable class without using the built-in classes.
Write a...
RESTful Login Failure: Return 401 or Custom Response
...happened.
401 Unauthorized
Similar to 403 Forbidden, but specifically for use when authentication is required and has failed or has not yet been provided. The response must include a WWW-Authenticate header field containing a challenge applicable to the requested resource.
Your confusion...
Why does Python print unicode characters when the default encoding is ASCII?
...ng the encoding scheme currently stored in sys.stdout.encoding. Python actually picks up this setting from the environment it's been initiated from. If it can't find a proper encoding from the environment, only then does it revert to its default, ASCII.
For example, I use a bash shell which encodin...