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jQuery first child of “this”
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If you want to apply a selector to the context provided by an existing jQuery set, try the find() function:
element.find(">:first-child").toggleClass("redClass");
Jørn Schou-Rode noted that you probably only want to fi...
How can I convert a long to int in Java?
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Casting has different meanings for objects and for primitive types. (int) l doesn't try to treat a 64-bit integer as a 32-bit integer, it actually returns a different 32-bit integer with the same 32 lower order bits. With objects, you c...
How to force garbage collection in Java?
Is it possible to force garbage collection in Java, even if it is tricky to do? I know about System.gc(); and Runtime.gc(); but they only suggest to do GC. How can I force GC?
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Turn on IncludeExceptionDetailInFaults (either from ServiceBehaviorAttribute or from the
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Hi Otivel, I my case there are nested folders containing different site and services. The folder where my service resides and I am getting error is at third degree of nesting relative to main web application and I have dedicated web.config for each service. I change my corresponding...
How to return a result (startActivityForResult) from a TabHost Activity?
...s and downloading the Android sources, I have finally come to a solution.
If you look at the Activity class, you will see, that finish() method only sends back the result if there is a mParent property set to null. Otherwise the result is lost.
public void finish() {
if (mParent == null) {
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bind event only once
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If you can apply it, probably want to take a look at event.preventDefault and event.stopPropagation
OR unbind and bind each time, within your method like
function someMethod()
{
$(obj).off('click').on('click', function(e) ...
Android onCreate or onStartCommand for starting service
...alled once per instantiated object.
You only need to implement onCreate() if you actually want/need to initialize something only once.
onStartCommand() is called every time a client starts the service using startService(Intent intent). This means that onStartCommand() can get called multiple times...
Removing items from a list [duplicate]
...= list.listIterator(); iter.hasNext(); ) {
String a = iter.next();
if (...) {
iter.remove();
}
}
Making an additional assumption that the list is of strings.
As already answered, an list.iterator() is needed. The listIterator can do a bit of navigation too.
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How do I determine the current operating system with Node.js
... use the OS module better, it's even in the documentation. os.platform specifically
– alessioalex
Dec 30 '11 at 20:58
94
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rake db:schema:load vs. migrations
Very simple question here - if migrations can get slow and cumbersome as an app gets more complex and if we have the much cleaner rake db:schema:load to call instead, why do migrations exist at all?
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