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How to return smart pointers (shared_ptr), by reference or by value?
...g> names;
get_names( names );
Unfortunately, this approach is far from ideal.
The code grew by 150%
We’ve had to drop const-ness because we’re mutating names.
As functional programmers like to remind us, mutation makes code more complex to reason about by undermining referen...
Why can't enum's constructor access static fields?
...
Quote from JLS, section "Enum Body Declarations":
Without this rule, apparently reasonable code would fail at run time
due to the initialization circularity inherent in enum types. (A
circularity exists in any class with a ...
How can I use Spring Security without sessions?
...curityContextRepository interface, which will prevent the security context from being stored, even if a session has already been created during the request."
We needed to inject our custom SecurityContextRepository into the SecurityContextPersistenceFilter. So we simply changed the bean definition ...
Understanding $.proxy() in jQuery
From docs I understand that .proxy() would change the scope of the function passed as an argument. Could someone please explain me this better? Why should we do this?
...
Modifying a query string without reloading the page
...change that parameter to the new value:
//function to remove query params from a URL
function removeURLParameter(url, parameter) {
//better to use l.search if you have a location/link object
var urlparts= url.split('?');
if (urlparts.length>=2) {
var prefix= encodeURIComp...
Remote Connections Mysql Ubuntu
... MySQL Server, But still you need to configure MySQL users to allow access from any host.
User must be 'username'@'%' with all the required grants
To make sure that, MySQL server listens on all interfaces, run the netstat command as follows.
netstat -tulnp | grep mysql
Hope this works !
...
Inline SVG in CSS
...imple url-encoding function.
A string replacement function can be created from the built-in str-slice, str-index functions (see css-tricks, thanks to Hugo Giraudel).
Then, just replace %,<,>,",', with the %xxcodes:
@function svg-inline($string){
$result: str-replace($string, "<svg", "&...
Simple basic explanation of a Distributed Hash Table (DHT)
...auty of consistent hashing is that we eliminate the number of buckets "n", from the equation.
In naive hashing, first variable is the key of the object to be stored in the table. We'll call the key "x". The second variable is is the number of buckets, "n". So, to determine which bucket/machine ...
How to dynamic new Anonymous Class?
...iption.Type);
}
///
///Creation Dynamic property (from MSDN) with some Magic
///
public static void CreateDynamicProperty(TypeBuilder typeBuilder, string name, Type propType)
{
FieldBuilder fieldBuider = typeBuilder.DefineField($"{name.ToL...
parseInt vs unary plus, when to use which?
...thumb I'd suggest JS opt-guys to consider any JS operator over another one from the mobile performance point of view nowadays.
So, go mobile-first ;)
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