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Android: Access child views from a ListView
I need to find out the pixel position of one element in a list that's been displayed using a ListView . It seems like I should get one of the TextView's and then use getTop() , but I can't figure out how to get a child view of a ListView .
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Detecting an “invalid date” Date instance in JavaScript
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Here's how I would do it:
if (Object.prototype.toString.call(d) === "[object Date]") {
// it is a date
if (isNaN(d.getTime())) { // d.valueOf() could also work
// date is not valid
} else {
// date is valid
}
} else {
// not a ...
/etc/apt/sources.list" E212: Can't open file for writing
I am trying to edit sources.list using vi editor but getting the following error while saving the file:
12 Answers
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Is Random class thread safe?
Is it valid to share one instance of the Random class between multiple threads? And to call nextInt(int) from multiple threads in particular?
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How to check if running in Cygwin, Mac or Linux?
...have a shell script that is used both on Windows/Cygwin and Mac and Linux. It needs slightly different variables for each versions.
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What is the difference between “word-break: break-all” versus “word-wrap: break-word” in CSS
...ifference between the two. When I used both they seem to break the word if it is not fitting the container. But why did W3C made two ways to do it?
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Disable same origin policy in Chrome
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Close chrome (or chromium) and restart with the --disable-web-security argument. I just tested this and verified that I can access the contents of an iframe with src="http://google.com" embedded in a page served from "localhost" (tested under chromium 5 / ubuntu). ...
How does git store files?
I just started learning git and to do so I started reading the Git Community Book , and in this book they say that SVN and CVS store the difference between files and that git stores a snapshot of all the files.
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Git fetch remote branch
My colleague and I are working on the same repository. We've branched it into two branches, each technically for different projects, but they have similarities, so we'll sometimes want to commit back to the * master from the branch .
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Get last element of Stream/List in a one-liner
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It is possible to get the last element with the method Stream::reduce. The following listing contains a minimal example for the general case:
Stream<T> stream = ...; // sequential or parallel stream
Optional<T> l...