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How is the default submit button on an HTML form determined?
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I think this post would help if someone wants to do it with jQuery:
http://greatwebguy.com/programming/dom/default-html-button-submit-on-enter-with-jquery/
The basic solution is:
$(function() {
$("form input").keypress(function (e) {
if ((e.which && e.which == 13) || (e.keyC...
How to convert CFStringRef to NSString?
...release, autorelease calls are all no-ops. Hence memory leaks.
From Apple http://developer.apple.com/mac/library/documentation/Cocoa/Conceptual/GarbageCollection/Articles/gcCoreFoundation.html:
It is important to appreciate the asymmetry between Core Foundation and Cocoa—where retain, release, a...
What is an idempotent operation?
...is not suppose to change anything on the server, so GET is, idempotent. In HTTP/servlet context, it means the same request can be made twice with no negative consequences. **POST is NOT idempotent.
– KNU
Apr 1 '14 at 10:37
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How to hide underbar in EditText
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<?xml version="1.0" encoding="utf-8"?>
<shape
xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<padding
android:top="8dp"
android:bottom="8dp"
android:left="8dp"
android:right="8dp" />
<solid...
PHP: Storing 'objects' inside the $_SESSION
...form fields, or re-query them from the DB each time, you are using state. HTTP is stateless (more or less; but see GET vs. PUT) but almost everything anybody cares to do with a web app requires state to be maintained somewhere. Acting as if pushing the state into nooks and crannies amounts to some...
Cron jobs and random times, within given hours
...eate one cron job launching 20 randomly scheduled at jobs. The at utility (http://unixhelp.ed.ac.uk/CGI/man-cgi?at) is used for executing commands at specified time.
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R: Comment out block of code [duplicate]
... generate error messages:Error: unexpected '/' in: "#( # start of comment http:/"
– PatrickT
Mar 11 '13 at 14:32
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How to see indexes for a database or table in MySQL?
...ation_schema.statistics
WHERE table_schema = 'sakila'
GROUP BY 1,2;
Ref: http://blog.9minutesnooze.com/mysql-information-schema-indexes/
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follo...
Fatal error: Class 'SoapClient' not found
...ere. Also in the comment section you can find good advice on connecting to https.
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Difference between session affinity and sticky session?
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If you authenticate users, partition based on user name (it has to be an HTTP supported authentication mode to do this).
Don't require state.
Let clients hit any server (send state to the client and have them send it back)
This is not a sticky session, it's a way to avoid having to do it.
I woul...