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Collect successive pairs from a stream
...eamEx library which extends standard streams provides a pairMap method for all stream types. For primitive streams it does not change the stream type, but can be used to make some calculations. Most common usage is to calculate differences:
int[] pairwiseDiffs = IntStreamEx.of(input).pairMap((a, b)...
Turning off “created by” stamp when generating files in IntelliJ
...nclude Templates in the popup action search dialog. There should be a tab called Includes on which you will find the Java and ActionScript file types, and the text can simply be removed completely if you like.
But, in more recent versions of IntelliJ things have got quite a bit easier. The first ti...
How to use git bisect?
...s. At each step it tries to reduce the number of revisions that are potentially bad by half.
You'll use the command like this:
$ git stash save
$ git bisect start
$ git bisect bad
$ git bisect good 0
Bisecting: 2 revisions left to test after this (roughly 2 steps)
[< ... sha ... >] 3
After...
How can I convert uppercase letters to lowercase in Notepad++
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@LucVu: This is called Title Case, Notepad++ calls it Proper Case and the answer is here: superuser.com/questions/115432/…
– Erlend Leganger
Jun 10 '16 at 7:00
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Using Ajax.BeginForm with ASP.NET MVC 3 Razor
...your latter example, I must add data: $('form').serialize(),to the ajax() call. Otherwise, no form data are passed and my model is invalid on the server side. Wonder if there is something I've overlooked?
– Brett
Oct 31 '11 at 16:14
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In Clojure, when should I use a vector over a list, and the other way around?
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I actually used to idle there. I switched IRC clients and never thought to add #stackoverflow to my autojoin list.
– Rayne
Jul 18 '09 at 18:19
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The difference between Classes, Objects, and Instances
...he set of values that is the type Y.
So that's what the term "instance" really means: it describes a relationship not a thing.
The type system of the Java programming language supports two kinds of types, primitive types and reference types. The reference types are further divided into the classe...
How do I determine whether an array contains a particular value in Java?
...h FindBugs will tell you is very naughty. Do not modify statics and do not allow other code to do so also. At an absolute minimum, the field should be private:
private static final String[] VALUES = new String[] {"AB","BC","CD","AE"};
(Note, you can actually drop the new String[]; bit.)
Reference a...
How do I find out which keystore was used to sign an app?
...ture algorithm name: SHA1withRSA
Then use the keytool again to print out all the aliases of your signing keystore:
keytool -list -keystore my-signing-key.keystore
You will get a list of aliases and their certificate fingerprint:
android_key, Jan 23, 2010, PrivateKeyEntry,
Certificate fingerpri...
What uses are there for “placement new”?
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Placement new allows you to construct an object in memory that's already allocated.
You may want to do this for optimization when you need to construct multiple instances of an object, and it is faster not to re-allocate memory each time y...