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What are Runtime.getRuntime().totalMemory() and freeMemory()?
...he maximum memory. If you run with -Xms1024m -Xmx1024m, the value you get from totalMemory() and maxMemory() will be equal.
Also, if you want to accurately calculate the amount of used memory, you do so with the following calculation :
final long usedMem = totalMemory() - freeMemory();
...
ReSharper warns: “Static field in generic type”
...0
}
}
As you can see, Generic<string>.Foo is a different field from Generic<object>.Foo - they hold separate values.
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Large-scale design in Haskell? [closed]
...
I tried to download the slides from the Engineering Large Projects in Haskell talk, but the link appeared to be broken. Here's a working one: galois.com/~dons/talks/dons-londonhug-decade.pdf
– mik01aj
Jan 17 '11 at 19...
How do you kill a Thread in Java?
...
I use method getConnection() from java.sql.DriverManager. If the connection attemt takes too long I try to kill the corresponding thread by calling Thread.interrupt() but it doesn't influence the thread at all. The Thread.stop() works however, although o...
Bootstrapping still requires outside support
...ile itself.
There is a really good writeup about bootstrapping a compiler from the lowest possible level (which on a modern machine is basically a hex editor), titled Bootstrapping a simple compiler from nothing. It can be found at https://web.archive.org/web/20061108010907/http://www.rano.org/bco...
why windows 7 task scheduler task fails with error 2147942667
... Scheduled Task
Switch to "Actions" tab
Open your Action
Remove Quotes (") from the field "Start in (optional)"
Save and close all open dialogs
To get the relevant error message:
1) Convert 2147942667 to hex: 8007010B
2) Take last 4 digits (010B) and convert to decimal: 267
3) Run: net helpms...
Disable migrations when running unit tests in Django 1.7
...igrate" command treats
an app as unmigrated, and creates tables directly from the models just
like syncdb did in 1.6. I defined a new settings module just for unit
tests called "settings_test.py", which imports * from the main
settings module and adds this line:
MIGRATION_MODULES = {"my...
Are global variables in PHP considered bad practice? If so, why?
...ness.
Don't concern yourself overly with applying standards or constructs from different languages to PHP. Another common pitfall is trying to turn PHP into a pure OOP language by sticking object models on top of everything.
Like anything else, use "global" variables, procedural code, a particular...
Is it a bad practice to use an if-statement without curly braces? [closed]
...rating this:
if(one)
if(two)
foo();
else
bar();
From this:
if(one)
if(two)
foo();
else
bar();
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No Persistence provider for EntityManager named
...
Apart from this, I also had to move up from hibernate-entitymanager-3.4.0.GA to 3.6.10.Final. Just in case you still have a legacy codebase using Hibernate 3.
– Javi Vazquez
Sep 17 '15 at 5:37...