The following example demonstrates using Lumen in WAMP / MAMP / LAMP environments.
To work with Lumen you need to setup couple of things first.
Composer
PHPUnit
git (not required but strongly recommended)
Assuming you have all these three components installed (at least you need composer), f...
Simple Hello World Application:
using System;
namespace HelloWorld
{
class Program
{
static void Main(string[] args)
{
Console.WriteLine("Hello World");
}
}
}
Equivalent IL Code (which will be JIT compiled)
// Microsoft (R) ...
Retrolambda lets you run Java 8 code with lambda expressions, method references and try-with-resources statements on Java 7, 6 or 5. It does this by transforming your Java 8 compiled bytecode so that it can run on an older Java runtime.
Backported Language Features:
Lambda expressions are back...
C++17
The if constexpr statement can be used to conditionally compile code. The condition must be a constant expression. The branch not selected is discarded. A discarded statement inside a template is not instantiated. For example:
template<class T, class ... Rest>
void g(T &&p, Re...
One good reason to use Filters is for logging. Using this technique a REST call can be logged and timed easily.
public class RestLogger implements ClientRequestFilter, ClientResponseFilter {
private static final Logger log = LoggerFactory.getLogger(RestLogger.class);
// Used for timing...
This example shows how to use mathematical operations with counters. It may be useful for loops in latex.
Addition: \addtocounter{num}{n}
this command adds n to num, where num is a counter and n is a positive integer.
Subtraction: \addtocounter{num}{-n}
this command subtracts n from num, where n...
There are certain principles that apply to optimization in any computer language, and Python is no exception.
Don't optimize as you go:
Write your program without regard to possible optimizations, concentrating instead on making sure that the code is clean, correct, and understandable. If it's too...
Nested for loops may be used to iterate over a number of unique iterables.
result = []
for a = iterable_a
for b = iterable_b
push!(result, expression)
end
end
Similarly, multiple iteration specifications may be supplied to an array comprehension.
[expression for a = iterabl...
Generator comprehensions follow a similar format to array comprehensions, but use parentheses () instead of square brackets [].
(expression for element = iterable)
Such an expression returns a Generator object.
julia> (x^2 for x = 1:5)
Base.Generator{UnitRange{Int64},##1#2}(#1,1:5)
Fun...
&& chains two commands. The second one runs only if the first one exits with success.
|| chains two commands. But second one runs only if first one exits with failure.
[ a = b ] && echo "yes" || echo "no"
# if you want to run more commands within a logical c...
The | takes the output of the left command and pipes it as input the right command. Mind, that this is done in a subshell. Hence you cannot set values of vars of the calling process wihtin a pipe.
find . -type f -a -iname '*.mp3' | \
while read filename; do
mute --noise "...
DIGEST() functions generate a binary hash of the given data. This can be used to create a random hash.
Usage: digest(data text, type text) returns bytea
Or: digest(data bytea, type text) returns bytea
Examples:
SELECT DIGEST('1', 'sha1')
SELECT DIGEST(CONCAT(CAST(current_timestamp AS...
There are many responsive scenarios where it's necessary to have column units exceeding 12 in a single .row element. This is known as column wrapping.
If more than 12 columns are placed within a single row, each group of
extra columns will, as one unit, wrap onto a new line.
For example, cons...
Typically, you will want to create your SimpleJdbcCalls in a Service.
This example assumes your procedure has a single output parameter that is a cursor; you will need to adjust your declareParameters to match your procedure.
@Service
public class MyService() {
@Autowired
private DataSour...
There are a number of issues with Oracle. Here's how to resolve them.
Assuming your procedure output parameter is ref cursor, you will get this exception.
java.sql.SQLException: Invalid column type: 2012
So change Types.REF_CURSOR to OracleTypes.CURSOR in simpleJdbcCall.declareParameters()
...
wire a;
wire b;
reg q;
always @(a) // b missing from sensativity list
q = a & b; // In simulation q will change only when a changes
In hardware, q will change whenever a or b changes.
