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Iterating through a Collection, avoiding ConcurrentModificationException when removing objects in a
...= new ArrayList<>();
// This is a clever way to create the iterator and call iterator.hasNext() like
// you would do in a while-loop. It would be the same as doing:
// Iterator<String> iterator = list.iterator();
// while (iterator.hasNext()) {
for (Iterator<String> iterat...
How to handle exceptions in a list comprehensions?
...amp;c in case of exceptions), so it's impossible, literally speaking, to "handle exceptions in a list comprehension" because a list comprehension is an expression containing other expression, nothing more (i.e., no statements, and only statements can catch/ignore/handle exceptions).
Function calls ...
Detect if Android device has Internet connection
...
The best way to check if there is an active Internet connection is to try and connect
to a known server via http.
public static boolean hasActiveInternetConnection(Context context) {
if (isNetworkAvailable(context)) {
try {
HttpURLConnection urlc = (HttpURLConnection) (new...
Is there any way to see the file system on the iOS simulator?
...r, go to Applications, choose the Finder option that shows date for files, and sort by date. Your application will be the most recent since it just changed the directory...
Inside the directory is everything related to your application. You can even drop files in there between runs, to revert bac...
Delete multiple remote branches in git
...ully, they all have the same prefix. Using that prefix, is there a git command or cool little shell script I can use that will delete all of those at once?
...
Get nested JSON object with GSON using retrofit
I'm consuming an API from my android app, and all the JSON responses are like this:
12 Answers
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How do you search an amazon s3 bucket?
I have a bucket with thousands of files in it. How can I search the bucket? Is there a tool you can recommend?
21 Answers
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What's the best way to iterate over two or more containers simultaneously
...ften in your data, consider using another pattern which zips two sequences and produces a range of tuples, corresponding to the paired elements:
for (auto& [a, b] : zip(containerA, containerB)) {
a = b;
}
The implementation of zip is left as an exercise for the reader, but it follows easi...
How to set environment variable or system property in spring tests?
...rk. Even better: probably a @BeforeClass method to set the system property and an @AfterClass method to remove it would also work, and nicely clean up after itself. (Didn't try it out, though.)
– Hans-Peter Störr
Aug 27 '12 at 15:39
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How to vertically align an image inside a div
...
The only (and the best cross-browser) way as I know is to use an inline-block helper with height: 100% and vertical-align: middle on both elements.
So there is a solution: http://jsfiddle.net/kizu/4RPFa/4570/
.frame {
height...