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Size-limited queue that holds last N elements in Java
... of these limited-size queues, like that: Map<Long, LimitedSizeQueue<String>>.
– GreyCat
Apr 15 '11 at 10:52
...
How to redirect cin and cout to files?
...rks fine.
#include <iostream>
#include <fstream>
#include <string>
void f()
{
std::string line;
while(std::getline(std::cin, line)) //input from the file in.txt
{
std::cout << line << "\n"; //output to the file out.txt
}
}
int main()
{
s...
When to use RDLC over RDL reports?
...flexibility.
You can configure parts of a report to be used for connection strings as 'Data Sources' as well as a sql query, xml, or other datasets as a 'Dataset'. These parts and others can be stored and configured to cache data on a regular basis.
You can write .NET proxy classes of the services ...
How do I connect to this localhost from another computer on the same network?
...osts.conf file. On XAMP, you can find this file here: C:\xampp\apache\conf\extra\httpd-vhosts.conf. On MAMP, you can find this file here: Applications/MAMP/conf/apache/extra/httpd-vhosts.conf. This step prepares the Web server on your computer for handling symfony.local requests. You need to provide...
How to find out if an installed Eclipse is 32 or 64 bit version?
...
If your installation is 64-bit the string x86_ (which identifies a 32-bit installation) will still match. You need to look for x86_64_
– Leo
Jan 21 '13 at 15:54
...
JavaScript ternary operator example with functions
...nch, you have a muti-branched if/else tree, or multiple else/ifs in a long string.
The ternary operator is common when you're assigning a value to a variable based on a simple condition or you are making multiple decisions with very brief outcomes. The example you cite actually doesn't make sense,...
Run a single migration file
...iveRecord::Migration
def change
add_column :products, :part_number, :string
end
end
You can create an instance of the migration and run migrate(:up) or migrate(:down) on an instance, like this:
$ rails console
>> require "db/migrate/20090408054532_add_part_number_to_products.rb"
>...
C# operator overload for `+=`?
...o x)
{
return new Foo(c1.c1 + x.c1);
}
}
static void Main(string[] args)
{
Foo d1 = new Foo (10);
Foo d2 = new Foo(11);
d2 += d1;
}
This code will be compiled and successfully run as:
IL_0000: nop
IL_0001: ldc.i4.s 10
IL_0003: newobj instance void Cons...
Send string to stdin
... use a bash alias, you just use the form command_alias <<< "stdin string", otherwise it will say command not found
– Pyrolistical
Feb 12 '14 at 17:26
...
Is SHA-1 secure for password storage?
... that cost N once and can thereafter attack many passwords with very small extra cost per password.
If the pre-computed table is a rainbow table, then N can be somewhat bigger, because storage cost is reduced. The bottleneck on N becomes the CPU power that the attacker can muster, not the size of hi...