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Function to return only alpha-numeric characters from string?
...nction that will take an input string and return a sanitized version of it by stripping away all special characters leaving only alpha-numeric.
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Nested rows with bootstrap grid system?
...n a row?. Each mini box takes up 50% of the available space (constrained by the column) so two will take up the first row. Any extra ones will just wrap down into a new line. You can also pair each of them in rows, but you don't need to. Bootstrap wraps by default so you don't have to clutter y...
How do you list all triggers in a MySQL database?
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show triggers;
or you can access the INFORMATION_SCHEMA table directly by:
select trigger_schema, trigger_name, action_statement
from information_schema.triggers
You can do this from version 5.0.10 onwards.
More information about the TRIGGERS table is here.
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Weird “[]” after Java method signature
...ation of the array type after the parameter list.
This is supported by the obsolescent production:
MethodDeclarator:
MethodDeclarator [ ]
but should not be used in new code.
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Groovy / grails how to determine a data type?
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
cannot convert data (type interface {}) to type string: need type assertion
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As asked for by @ρяσѕρєя an explanation can be found at https://golang.org/pkg/fmt/#Sprint. Related explanations can be found at https://stackoverflow.com/a/44027953/12817546 and at https://stackoverflow.com/a/42302709/12817546. He...
What exception classes are in the standard C++ library
... exception was thrown
std::bad_function_call <functional> thrown by "null" std::function
std::bad_typeid <typeinfo> using typeinfo on a null pointer
std::bad_weak_ptr <memory> constructing a shared_ptr from a bad weak_ptr
std::logic_error <stdexcept> errors de...
How to serialize a lambda?
...8 introduces the possibility to cast an object to an intersection of types by adding multiple bounds. In the case of serialization, it is therefore possible to write:
Runnable r = (Runnable & Serializable)() -> System.out.println("Serializable!");
And the lambda automagically becomes seria...
What are “signed” cookies in connect/expressjs?
...a signature, so it can detect if the client modified the cookie.
It works by creating a HMAC of the value (current cookie), and base64 encoded it. When the cookie gets read, it recalculates the signature and makes sure that it matches the signature attached to it.
If it does not match, then it wil...
Get the current URL with JavaScript?
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@FabioC. You can remove it by substring. However, it may be useful when you want to use to redirect document.location = "/page.html"; will redirect to root page page.html
– FindOut_Quran
Dec 23 '16 at 5:11
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