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What is the easiest way to disable/enable buttons and links (jQuery + Bootstrap)
...ple piece of jQuery code to target anchor tags with the disabled class to call event.preventDefault():
$('body').on('click', 'a.disabled', function(event) {
event.preventDefault();
});
We can toggle the disabled class by using toggleClass():
jQuery.fn.extend({
disable: function(state) {
...
Is it safe to delete a NULL pointer?
...ter delete. Setting a pointer to NULL after deleting it masquerades memory allocation errors, which is a very bad thing. A program that is correct does not delete a pointer twice, and a program that does delete a pointer twice should crash.
– Damon
Aug 30 '13 a...
Set icon for Android application
...e Assets → select launcher icon → choose image file.
It will automatically re-size.
Done!
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'console' is undefined error for Internet Explorer
...onsole = ...
An undefined variable cannot be referred directly. However, all global variables are attributes of the same name of the global context (window in case of browsers), and accessing an undefined attribute is fine.
Or use if (typeof console === 'undefined') console = ... if you want to a...
URL Fragment and 302 redirects
...Changelog:
The syntax of the Location header field has been changed to allow all
URI references, including relative references and fragments, along
with some clarifications as to when use of fragments would not be
appropriate. (Section 7.1.2)
The important points from Section 7.1.2. Loc...
“The remote certificate is invalid according to the validation procedure.” using Gmail SMTP server
...onfirmation that the error is being throw because of a bad certificate.
Call this method before you call smtpclient.Send():
[Obsolete("Do not use this in Production code!!!",true)]
static void NEVER_EAT_POISON_Disable_CertificateValidation()
{
// Disabling certificate validati...
Unable to execute dex: method ID not in [0, 0xffff]: 65536
...
Update 3 (11/3/2014)
Google finally released official description.
Update 2 (10/31/2014)
Gradle plugin v0.14.0 for Android adds support for multi-dex. To enable, you just have to declare it in build.gradle:
android {
defaultConfig {
...
...
What's the point of NSAssert, actually?
...hat value is what you expect it to be, and if it's not then something is really wrong, and so the app quits. Assert can be very useful for debugging/unit testing, and also when you provide frameworks to stop the users from doing "evil" things.
...
What do querySelectorAll and getElementsBy* methods return?
...Name (and similar functions like getElementsByTagName and querySelectorAll ) work the same as getElementById or do they return an array of elements?
...
Shell equality operators (=, ==, -eq)
...nd many other shells) adopted. That's the whole point -- if you have [[ at all, then you can safely assume that all the extensions ksh implemented around it (fnmatch()-style pattern matching, ERE regular expressions with =~, and yes, suppression of string-splitting and filesystem globbing) will be a...