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Is there a concise way to iterate over a stream with indices in Java 8?
...ollect(Collectors.toList());
The resulting list contains "Erik" only.
One alternative which looks more familiar when you are used to for loops would be to maintain an ad hoc counter using a mutable object, for example an AtomicInteger:
String[] names = {"Sam", "Pamela", "Dave", "Pascal", "Erik...
Failure [INSTALL_FAILED_ALREADY_EXISTS] when I tried to update my application
... update my applcation with new version that has same signature as previous one, shows above error.
6 Answers
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Can you change what a symlink points to after it is created?
...eferenced by a symbolic link (symlink) — other than by unlinking the old one and creating a new one?
7 Answers
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Backbone.View “el” confusion
...e event binding takes place. You don't have to use it but if you want backbone to fire events you need to do your rendering work on the el. A views el is a DOM element but it does not have to be a pre-existing element. It will be created if you do not pull one from your current page, but you will ha...
How can I get the SQL of a PreparedStatement?
... it. However, most other JDBC drivers doesn't support it. If you have such one, then your best bet is using Log4jdbc or P6Spy.
Alternatively, you can also write a generic function which takes a Connection, a SQL string and the statement values and returns a PreparedStatement after logging the SQL ...
How to replace all dots in a string using JavaScript
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in reagukar expression the dot . means all , this one is the correct solution !
– Benjamin Fuentes
Feb 19 '16 at 13:58
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Is there a way to access the “previous row” value in a SELECT statement?
...ow to order things but not how to get the previous value given the current one (EG, you want to order alphabetically) then I don't know of a way to do that in standard SQL, but most SQL implementations will have extensions to do it.
Here is a way for SQL server that works if you can order rows such...
Strings are objects in Java, so why don't we use 'new' to create them?
..."abcd", you get a reference to a single String instance, rather than a new one each time. So you will have:
String a = "abcd";
String b = "abcd";
a == b; //True
but if you had
String a = new String("abcd");
String b = new String("abcd");
then it's possible to have
a == b; // False
(and in...
Moving Git repository content to another repository preserving history
I am trying to move only the contents of one repository ( repo1 ) to another existing repository ( repo2 ) using the following commands:
...
UIDevice uniqueIdentifier deprecated - What to do now?
...is unique if a user uninstalls and re-installs the app: you will get a new one each time.
But you might want it to be not unique, i. e. it should stay the same when the user uninstalls and re-installs the app. This requires a bit of effort, since the most reliable per-device-identifier seems to be ...
