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How can I convert immutable.Map to mutable.Map in Scala?
...gs factory. Unlike the ++ approach, this uses the CanBuildFrom mechanism, and so has the potential to be more efficient if library code was written to take advantage of this:
val m = collection.immutable.Map(1->"one",2->"Two")
val n = collection.mutable.Map(m.toSeq: _*)
This works because...
How can I match on an attribute that contains a certain string?
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Here's an example that finds div elements whose className contains atag and btag:
//div[contains(@class, 'atag') and contains(@class ,'btag')]
However, it will also find partial matches like class="catag bobtag".
If you don't want partial matches, see bobince's answer below.
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Fit background image to div
...his attributes:
background-size: contain;
background-repeat: no-repeat;
and you code is then like this:
<div style="text-align:center;background-image: url(/media/img_1_bg.jpg); background-size: contain;
background-repeat: no-repeat;" id="mainpage">
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How can I know when an EditText loses focus?
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Implement onFocusChange of setOnFocusChangeListener and there's a boolean parameter for hasFocus. When this is false, you've lost focus to another control.
EditText txtEdit = (EditText) findViewById(R.id.edittxt);
txtEdit.setOnFocusChangeListener(new OnFocusChangeListener(...
How to log SQL statements in Grails
...ssible. I want this as well as it's annoying for debugging certain classes and not wanting to see other queries as well.
– Guus
Oct 23 '15 at 16:22
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How can I convert JSON to a HashMap using Gson?
...ion to generically deserialize nested JSON to a Map<String, Object>, and found nothing.
The way my yaml deserializer works, it defaults JSON objects to Map<String, Object> when you don't specify a type, but gson doesn't seem to do this. Luckily you can accomplish it with a custom deser...
How to export JavaScript array info to csv (on client side)?
... this nature but I need to do this using JavaScript. I am using Dojo 1.8 and have all the attribute info in array, which looks like this:
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Preloading images with jQuery
I'm looking for a quick and easy way to preload images with JavaScript. I'm using jQuery if that's important.
20 Answers
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Select all child elements recursively in CSS
... element y that is inside x, however deeply nested it may be - children, grandchildren and so on.
The asterisk * matches any element.
Official Specification: CSS 2.1: Chapter 5.5: Descendant Selectors
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How to safely call an async method in C# without await
... PerformAsyncTaskWithoutAwait(this Task task, Action<Task> exceptionHandler) { var dummy = task.ContinueWith(t => exceptionHandler(t), TaskContinuationOptions.OnlyOnFaulted); } } Usage: MyAsyncMethod().PerformAsyncTaskWithoutAwait(t => log.ErrorFormat("An...