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Get string character by index - Java
... documentation on String.charAt. If you want another simple tutorial, this one or this one.
If you don't want the result as a char data type, but rather as a string, you would use the Character.toString method:
String text = "foo";
String letter = Character.toString(text.charAt(0));
System.out.pri...
How to add images to README.md on GitHub?
...ave everything in root). I had been maintaining 2 copies of the README.md, one for local installation in /usr/share/projectname/docs, and one for github. Now, I can just use the same README.md for both since the image filenames work fine in both cases. If I want to post a copy of parts of my README ...
Swift - class method which must be overridden by subclass
Is there a standard way to make a "pure virtual function" in Swift, ie. one that must be overridden by every subclass, and which, if it is not, causes a compile time error?
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How to pad zeroes to a string?
...should be a print function on Python 3? I edited in the parens; since only one thing is being printed, it works identically now on Py2 and Py3.
– ShadowRanger
Jan 25 '19 at 2:19
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How to store Node.js deployment settings/configuration files?
...uld be to have a settings.py file containing the standard settings (timezone, etc), and then a local_settings.py for deployment specific settings, ie. what database to talk to, what memcache socket, e-mail address for the admins and so on.
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How does a Java HashMap handle different objects with the same hash code?
...f the key is 235 -> the pair is stored in bucket number 235. (Note that one bucket can store more then one key-value pair).
When you lookup a value in the hashmap, by giving it a key, it will first look at the hash code of the key that you gave. The hashmap will then look into the corresponding ...
Why doesn't Java support unsigned ints?
... the language because the alternatives were so cumbersome. I do think that one could support unsigned ints with an appropriate class though, it doesn't need prims
– Uri
Jan 10 '09 at 5:12
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App restarts rather than resumes
Hopefully someone can help me figure out, if not a solution, at least an explanation for a behaviour.
9 Answers
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Solr vs. ElasticSearch [closed]
...eway, which makes full backups easier.
Disadvantages:
Only one main developer [not applicable anymore according to the current elasticsearch GitHub organization, besides having a pretty active committer base in the first place]
No autowarming feature [not applicable anymore accordi...
How to list commits since certain commit?
... I get a huge, huge list of SHAs... even for a commit that's just one back (one leg of a merge). What is it telling me and how is that useful?
– ErikE
Feb 26 '17 at 1:30
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