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Why not use exceptions as regular flow of control?
To avoid all standard-answers I could have Googled on, I will provide an example you all can attack at will.
24 Answers
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How can a LEFT OUTER JOIN return more records than exist in the left table?
... was at least one record in the right table but thank you so much for the explanation.
– Jay Wilde
Sep 6 '18 at 17:43
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Pretty-print C++ STL containers
...uct delimiters_values
{
typedef TChar char_type;
const TChar *prefix;
const TChar *delimiter;
const TChar *postfix;
};
// Defines the delimiter values for a specific container and character type
template<typename T, typename TChar>
struct delimiters
{
static const delimite...
What is the purpose of the word 'self'?
...rs to the specific object created from that class, but I can't see why it explicitly needs to be added to every function as a parameter. To illustrate, in Ruby I can do this:
...
Is there a way to access method arguments in Ruby?
...me of the parameter and whether it is required.
e.g.
If you do
def foo(x, y)
end
then
method(:foo).parameters # => [[:req, :x], [:req, :y]]
You can use the special variable __method__ to get the name of the current method. So within a method the names of its parameters can be obtained vi...
How does “do something OR DIE()” work in PHP?
...then the entire statement must be true therefore the second part is never executed.
For example:
$x = 5;
true or $x++;
echo $x; // 5
false or $x++;
echo $x; // 6
Therefore, if your query is unsuccessful, it will evaluate the die() statement and end the script.
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Error :Request header field Content-Type is not allowed by Access-Control-Allow-Headers
...sfigueira/archive/2012/07/02/cors-support-in-asp-net-web-api-rc-version.aspx". It is working successfully, and i post data from client side to server successfully.
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“Inner exception” (with traceback) in Python?
...nd is in C# and I've just recently started programming in Python. When an exception is thrown I typically want to wrap it in another exception that adds more information, while still showing the full stack trace. It's quite easy in C#, but how do I do it in Python?
...
REST APIs: custom HTTP headers vs URL parameters
...up is in a system to system request operating on behalf of a user. The proxy system will validate the user and add "X-User: userid" to the headers and use the system credentials to hit the endpoint. The receiving system validates that the system credentials are authorized to act on behalf of the u...
List vs tuple, when to use each? [duplicate]
...anted to implement a Point class. Would you use a tuple or a list to hold x, y, z coordinates? You would want to change the values (go with list), but at the same time order and position is meaningful and consistent (go with tuple?).
– Arlen
Aug 23 '11 at 15:...