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Logger slf4j advantages of formatting with {} instead of string concatenation
...
It is about string concatenation performance. It's potentially significant if your have dense logging statements.
(Prior to SLF4J 1.7) But only two parameters are possible
Because the vast majority of logging statements have 2 or fewer parameters, so SLF4J API up to version 1....
Add a CSS border on hover without moving the element [duplicate]
...ing when the thick border is applied. codepen
– aleph_one
Mar 18 at 18:36
add a comment
...
How to get index in Handlebars each helper?
...hanged in the newer versions of Ember.
For arrays:
{{#each array}}
{{_view.contentIndex}}: {{this}}
{{/each}}
It looks like the #each block no longer works on objects. My suggestion is to roll your own helper function for it.
Thanks for this tip.
...
RESTful Authentication via Spring
.../>
<security:intercept-url pattern="/authenticate" access="permitAll"/>
<security:intercept-url pattern="/**" access="isAuthenticated()" />
</security:http>
<bean id="CustomAuthenticationEntryPoint"
class="com.demo.api.support.spring.CustomAuthenticationEntryPoin...
Repeat String - Javascript
...
Actually, both of your arguments apply to the global namespace as well. If I'm going to expand a namespace and have potential collisions, I'd rather do it 1) not in global 2) in one that is relevant and 3) is easy to refactor. ...
Why is UICollectionViewCell's outlet nil?
...I don't use it, it gives me error Assertion failure in -[UICollectionView _dequeueReusableViewOfKind:withIdentifier:forIndexPath:viewCategory:]
– Shaheera
Jun 30 '16 at 11:04
...
Differences between std::make_unique and std::unique_ptr with new
... unique_ptr<U>(new U())); // unsafe*
The addition of make_unique finally means we can tell people to 'never' use new rather than the previous rule to "'never' use new except when you make a unique_ptr".
There's also a third reason:
make_unique does not require redundant type usage. unique...
Add & delete view from Layout
...ld");
ViewGroup Layout = (LinearLayout) getActivity().findViewById(R.id.my_layout);
layout.addView(view);
There are also a number of remove methods. Check the documentation of ViewGroup.
One simple way to remove view from a layout can be like,
layout.removeAllViews(); // then you will end up h...
POSTing a @OneToMany sub-resource association in Spring Data REST
...ion resource (considered to be $association_uri in the following), it generally takes these steps:
Discover the collection resource managing comments:
curl -X GET http://localhost:8080
200 OK
{ _links : {
comments : { href : "…" },
posts : { href : "…" }
}
}
Follow the comments l...
Python: print a generator expression?
...e generator expression into a list comprehension. It's the same thing and calling list() on it. So the way to make a generator expression into a list is to put brackets around it.
Detailed explanation:
A generator expression is a "naked" for expression. Like so:
x*x for x in range(10)
Now, you ...