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What is “vectorization”?
...uction at a time. Combine
this with threading and multi-core CPUs leads to orders of magnitude
performance gains.
Link https://software.intel.com/en-us/articles/vectorization-a-key-tool-to-improve-performance-on-modern-cpus
In Java there is a option to this be included in Jdk 15 of 2020 or late at ...
z-index not working with fixed positioning
...side a stacking context and you will see that elements are stacked in this order
The stacking context’s root element (the <html> element in this case)
Positioned elements (and their children) with negative z-index values (higher values are stacked in front of lower values; elements ...
How do I prevent the padding property from changing width or height in CSS?
...
Add property:
-webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
-moz-box-sizing: border-box; /* Firefox, other Gecko */
box-sizing: border-box; /* Opera/IE 8+ */
Note: This won't work in Internet Explorer below version 8.
...
Understanding __get__ and __set__ and Python descriptors
..._attrs(property)
set(['__set__', '__get__', '__delete__'])
Dotted Lookup Order
These are important distinctions, as they affect the lookup order for a dotted lookup.
obj_instance.attribute
First the above looks to see if the attribute is a Data-Descriptor on the class of the instance,
If no...
Does List guarantee insertion order?
...
The List<> class does guarantee ordering - things will be retained in the list in the order you add them, including duplicates, unless you explicitly sort the list.
According to MSDN:
...List "Represents a strongly typed list of objects that can be
a...
selecting unique values from a column
...se the DISTINCT operator in MySQL:
SELECT DISTINCT(Date) AS Date FROM buy ORDER BY Date DESC;
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Scala type programming resources
...calculus
Debasish Ghosh (blog) has some relevant posts as well:
Higher order abstractions in scala
Static typing gives you a head start
Scala implicits type classes, here I come
Refactoring into scala type-classes
Using generalized type constraints
How scalas type system words for you
Choosing b...
Ansible: Set variable to file content
...
You can use lookups in Ansible in order to get the contents of a file, e.g.
user_data: "{{ lookup('file', user_data_file) }}"
Caveat: This lookup will work with local files, not remote files.
Here's a complete example from the docs:
- hosts: all
vars:
...
Convert Java Array to Iterable
...nce of the comprising method's argument (for example an int[]) as field in order to implement the methods.
-> This approach is performant and saves you memory (except for the memory of the newly created methods, even though, using Arrays.asList() would take memory in the same way)
2) Since arrays...
Which characters are illegal within a branch name?
...to use the dollar sign $ character.
git branch pew$ign will create pew. In order to create a branch that has $ within it the whole name should be wrapped in quotes: git branch 'pewSign'. Ideally you should avoid to use the symbol whatsoever.
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