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Running multiple TeamCity Agents on the same computer?
...vise that you may have an issue with the new agent after installing it, an error like "Teamcity agent in disconnected state (Agent has unregistered (will upgrade))". This can be solved stopping the fisrt agent(or the other agents installed) and restarting the new from the services (on Windows/Window...
When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used?
...ructor, or A doesn't have a conversion operator, then you get compile time error.
Cast from A* to B* always succeeds if A and B are in inheritance hierarchy (or void) otherwise you get compile error.
Gotcha: If you cast base pointer to derived pointer but if actual object is not really derived type...
Why does Ruby have both private and protected methods?
... # true
gimli.name # 'Gimli'
gimli.age # NoMethodError: private method `age'
called for #<Dwarf:0x007ff552140128>
gimli.beard_strength # NoMethodError: protected method `beard_strength'
called for #<Dwarf:0x007ff552...
BASH copy all files except one
...
This is more likely to produce errors than do what you intend.
– Paused until further notice.
Aug 22 '09 at 1:40
...
What is output buffering?
...example:
<?php
ob_start( );
echo "Hello World";
if ( $some_error )
{
header( "Location: error.php" );
exit( 0 );
}
?>
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What is the difference between canonical name, simple name and class name in Java Class?
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Efficient way to return a std::vector in c++
...s "return by value" might be, it's the kind of code that can lead one into error. Consider the following program:
#include <string>
#include <vector>
#include <iostream>
using namespace std;
static std::vector<std::string> strings;
std::vector<std...
Creating runnable JAR with Gradle
...to run jar file with java -jar build/libs/core-all-1.0.jar I get following error: Error: Could not find or load main class scanners.exchange.Main Caused by: java.lang.ClassNotFoundException: scanners.exchange.Main Do you know how I can solve this?
– Luka Lopusina
...
What is the difference between dynamic and static polymorphism in Java?
...
This answer full of errors: (1) Method overloading is not dynamic polymorphism. It is static polymorphism. (2) Static methods are never overridden, they are hidden/shadowed. (3) Private methods are not "overridden". They are never inherited in t...
Unique combination of all elements from two (or more) vectors
... what you are after
> expand.grid(a,b)
Var1 Var2
1 ABC 2012-05-01
2 DEF 2012-05-01
3 GHI 2012-05-01
4 ABC 2012-05-02
5 DEF 2012-05-02
6 GHI 2012-05-02
7 ABC 2012-05-03
8 DEF 2012-05-03
9 GHI 2012-05-03
10 ABC 2012-05-04
11 DEF 2012-05-04
12 GHI 2012-05-04
13 ABC 20...