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Difference between scaling horizontally and vertically for databases [closed]
... the need for scaling that is increasing resources so that your system can now handle more requests than it earlier could.
When you realise your system is getting slow and is unable to handle the current number of requests, you need to scale the system.
This provides you with two options. Either...
Mocking member variables of a class using Mockito
... particular .
I guess my requirement is pretty simple, but I am keen to know others thoughts on this.
8 Answers
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Retain precision with double in Java
...he BigDecimal class, if you want to have an exact representation of 11.4.
Now, a little explanation into why this is happening:
The float and double primitive types in Java are floating point numbers, where the number is stored as a binary representation of a fraction and a exponent.
More specifi...
psycopg2: insert multiple rows with one query
...)
Printing the insert_query outputs
insert into t (a, b) values %s,%s
Now to the usual Psycopg arguments substitution
cursor.execute(insert_query, data)
Or just testing what will be sent to the server
print (cursor.mogrify(insert_query, data).decode('utf8'))
Output:
insert into t (a, b) ...
Is there a literal notation for an array of symbols?
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Yes! This is possible now in Ruby 2.0.0. One way to write it is:
%i{foo bar} # => [:foo, :bar]
You can also use other delimiters, so you could also write %i(foo bar) or %i!foo bar! for example.
This feature was originally announced here:
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Simulate delayed and dropped packets on Linux
... the local Ethernet.
# tc qdisc add dev eth0 root netem delay 100ms
Now a simple ping test to host on the local network should show an increase of 100 milliseconds. The delay is limited by the clock resolution of the kernel (Hz). On most 2.4 systems, the system clock runs at 100 Hz which all...
`Apache` `localhost/~username/` not working
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Thanks, it solved mine too, I'd be glad to know why it didn't work with Require local and the + signs!
– Sassan
Oct 5 '15 at 2:12
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Eclipse IDE: How to zoom in on text?
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It is now a official feature in Neon: eclipse.org/eclipse/news/4.6/platform.php
– gustavovelascoh
Nov 26 '16 at 1:42
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How do you create a dropdownlist from an enum in ASP.NET MVC?
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I know I'm late to the party on this, but thought you might find this variant useful, as this one also allows you to use descriptive strings rather than enumeration constants in the drop down. To do this, decorate each enumerati...
How do I tokenize a string in C++?
... of strtok, but strtok will still mess up because the string changed, it's now already past the null character, and it's going to keep reading memory until it either gets a security violation or finds a null character. This is a problem with the original C string functions, if you don't specify a l...