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Do Java arrays have a maximum size?
...5. Once you go beyond that:
public class Foo {
public static void main(String[] args) {
Object[] array = new Object[Integer.MAX_VALUE - 4];
}
}
You get:
Exception in thread "main" java.lang.OutOfMemoryError:
Requested array size exceeds VM limit
...
Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi
...gin: <------------------------------- new column in 5.5
authentication_string: <------------------------------- new column in 5.5
1 row in set (0.00 sec)
There are also new tables in 5.5, such as mysql.proxies_user: make sure you have them.
When installing a brand new mysql server instance...
Is leaked memory freed up when the program exits?
...t space is given back to the system wholesale, right? I don't see why the extra bookkeeping would be necessary, since the process making the allocations is the only process (in userland) with access to those pages anyway. Or have I been mis-taught?
– Chris Tonkinson
...
How is “=default” different from “{}” for default constructor and destructor?
... Then, why do "{}" and "= default" always initialize an std::string ideone.com/LMv5Uf ?
– nawfel bgh
Feb 1 '16 at 22:54
...
How to convert Linux cron jobs to “the Amazon way”?
...ntab. There is a case study at the end that helped me understand what that extra complexity buys you. I would suggest watching the case study and considering your requirements for scalability and fault tolerance to decide whether you should migrate from your existing crontab solution.
...
How can I use if/else in a dictionary comprehension?
...
and you want to create a new dictionary whose keys indicate whether the string 'a' is contained in the values or not, you can use
dout = {"a_in_values_of_{}".format(k) if 'a' in v else "a_not_in_values_of_{}".format(k): v for k, v in d.items()}
which yields
{'a_in_values_of_key1': {'a', 'b', ...
How does Facebook Sharer select Images and other metadata when sharing my URL?
...the http://www.facebook.com/sharer.php does not use meta tags. It uses the string you pass. See below.
http://www.facebook.com/sharer.php?s=100&p[title]=THIS IS MY TITLE&p[summary]=THIS IS MY SUMMARY&p[url]=http://www.MYURL.com&&p[images][0]=http://www.MYURL.com/img/IMAGEADDRESS...
How to make Entity Framework Data Context Readonly
...
public class MyReadOnlyContext : DbContext
{
// Use ReadOnlyConnectionString from App/Web.config
public MyContext()
: base("Name=ReadOnlyConnectionString")
{
}
// Don't expose Add(), Remove(), etc.
public DbQuery<Customer> Customers
{
get
{...
How to sort a Ruby Hash by number value?
... am running into is that the default Hash.sort function sorts numbers like strings rather than by number size.
4 Answers
...
Functional, Declarative, and Imperative Programming [closed]
...ions. in short - that functions are as flexible and common as things like strings and numbers.
it might seem odd, then, that functional, imperative and declarative are often mentioned together. the reason for this is a consequence of taking the idea of functional programming "to the extreme". a ...