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Do Java arrays have a maximum size?
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Haven't seen the right answer, even though it's very easy to test.
In a recent HotSpot VM, the correct answer is Integer.MAX_VALUE - 5. Once you go beyond that:
public class Foo {
public static void main(String[] args) {
Object[] array...
ipython: print complete history (not just current session)
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In ipython enter:
%history -g
It does not print time codes but it does print session/line number.
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Separating class code into a header and cpp file
...r and cpp file. For example, how would I separate the code for the following class?
8 Answers
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How to concatenate strings of a string field in a PostgreSQL 'group by' query?
I am looking for a way to concatenate the strings of a field within a group by query. So for example, I have a table:
14 An...
Does JavaScript have a built in stringbuilder class?
...make sure you chose an implementation, which uses array joins. Concatenating strings with the + or += operator are extremely slow on IE. This is especially true for IE6. On modern browsers += is usually just as fast as array joins.
When I have to do lots of string concatenations I usually fill an ...
jQuery removing '-' character from string
I have a string "-123445". Is it possible to remove the '-' character from the string?
3 Answers
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Understanding colors on Android (six characters)
I am trying to understand how colors work in Android. I have this color set as the background of my LinearLayout , and I get a background gray with some transparency:
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How do you squash commits into one patch with git format-patch?
I've got eight commits on a branch that I'd like to email to some people who aren't git enlightened, yet. So far, everything I do either gives me 8 patch files, or starts giving me patch files for every commit in the branch's history, since the beginning of time. I used git rebase --interactive to...
Adding a public key to ~/.ssh/authorized_keys does not log me in automatically
...he public SSH key to the authorized_keys file. ssh localhost should log me in without asking for the password.
30 Answ...
Is there a way to reduce the size of the git folder?
Seems like my project is getting bigger and bigger with every git commit/push . Is there a way to clean up my git folder?
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