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JavaScript pattern for multiple constructors
...want a function to behave differently depending on the number and types of parameters you pass to it, you'll have to sniff them manually. JavaScript will happily call a function with more or fewer than the declared number of arguments.
function foo(a, b) {
if (b===undefined) // parameter was om...
How to get function parameter names/values dynamically?
Is there a way to get the function parameter names of a function dynamically?
31 Answers
...
Using javadoc for Python documentation [closed]
...le could look as follows:
"""Replaces template placeholder with values.
:param timestamp: formatted date to display
:param priority: priority number
:param priority_name: priority name
:param message: message to display
:returns: formatted string
"""
Or extended with type information:
"""Replac...
Accessing a Shared File (UNC) From a Remote, Non-Trusted Domain With Credentials
... const int ERROR_INVALID_ADDRESS = 487;
const int ERROR_INVALID_PARAMETER = 87;
const int ERROR_INVALID_PASSWORD = 1216;
const int ERROR_MORE_DATA = 234;
const int ERROR_NO_MORE_ITEMS = 259;
const int ERROR_NO_NET_OR_BAD_PATH = 1203;
const int ERROR...
How do you get a query string on Flask?
...
This example returns that value of the "user" parameter passed in the query string, not the query string itself. "Query string" means everything after the question mark and before the pound sign, if one is present.
– Lyndsy Simon
A...
How do I get a raw, compiled SQL query from a SQLAlchemy expression?
...bject and want to get the text of the compiled SQL statement, with all its parameters bound (e.g. no %s or other variables waiting to be bound by the statement compiler or MySQLdb dialect engine, etc).
...
How to implement a rule engine?
...eneric method)
public Func<User, bool> CompileRule(Rule r)
{
var paramUser = Expression.Parameter(typeof(User));
Expression expr = BuildExpr(r, paramUser);
// build a lambda function User->bool and compile it
return Expression.Lambda<Func<User, bool>>(expr, param...
A better similarity ranking algorithm for variable length strings
... strings based on letter pair matches
/// </summary>
/// <param name="str1"></param>
/// <param name="str2"></param>
/// <returns>The percentage match from 0.0 to 1.0 where 1.0 is 100%</returns>
public double CompareStrings(string str1, s...
How can I check if a Perl array contains a particular value?
...
Simply turn the array into a hash:
my %params = map { $_ => 1 } @badparams;
if(exists($params{$someparam})) { ... }
You can also add more (unique) params to the list:
$params{$newparam} = 1;
And later get a list of (unique) params back:
@badparams = keys...
How do I best silence a warning about unused variables?
...r sees it is used. This is portable between compilers.
E.g.
void foo(int param1, int param2)
{
(void)param2;
bar(param1);
}
Or,
#define UNUSED(expr) do { (void)(expr); } while (0)
...
void foo(int param1, int param2)
{
UNUSED(param2);
bar(param1);
}
...