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What does -XX:MaxPermSize do?
Specifically, why would it help to fix a PermGen OutOfMemoryError issue?
3 Answers
3
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git remove merge commit from history
My Git history looks like that :
4 Answers
4
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PG::ConnectionBad - could not connect to server: Connection refused
...PID).
To fix it remove/rename the PID file. Find the postgres data directory. On macOS using homebrew it is in /usr/local/var/postgres/,
or /usr/local/var/log/ other systems it might be /usr/var/postgres/.
To make sure this is the problem, look at the log file (server.log). On the last lines you ...
angular ng-repeat in reverse
How can i get a reversed array in angular?
i'm trying to use orderBy filter, but it needs a predicate(e.g. 'name') to sort:
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When would you use the Builder Pattern? [closed]
What are some common , real world examples of using the Builder Pattern? What does it buy you? Why not just use a Factory Pattern?
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When to use Mockito.verify()?
I write jUnit test cases for 3 purposes:
6 Answers
6
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Maximum execution time in phpMyadmin
When I try to execute (some) queries in phpMyadmin I get this error
12 Answers
12
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Flask-SQLAlchemy import/context issue
...- you can do this instead:
# apps.members.models
from flask_sqlalchemy import SQLAlchemy
db = SQLAlchemy()
class Member(db.Model):
# fields here
pass
And then in your application setup you can call init_app:
# apps.application.py
from flask import Flask
from apps.members.models import ...
Most efficient way to determine if a Lua table is empty (contains no entries)?
... a table is empty (that is, currently contains neither array-style values nor dict-style values)?
8 Answers
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Java String to SHA1
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UPDATE
You can use Apache Commons Codec (version 1.7+) to do this job for you.
DigestUtils.sha1Hex(stringToConvertToSHexRepresentation)
Thanks to @Jon Onstott for this suggestion.
Old Answer
Convert your Byte Array to Hex String. Real's How To tells you how.
return byteArrayToHexString(md....