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Is Java a Compiled or an Interpreted programming language ?
...y use a two-step compilation process. Java source code is compiled down to bytecode by the Java compiler. The bytecode is executed by a Java Virtual Machine (JVM). Modern JVMs use a technique called Just-in-Time (JIT) compilation to compile the bytecode to native instructions understood by hardware ...
Convert Decimal to Double
... precision. Double is for scientific calculations that do not get affected by small differences. Since Double is a type which is native to the CPU (internal representation is stored in base 2), calculations made with Double perform better then Decimal (which is represented in base 10 internally).
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How to reset postgres' primary key sequence when it falls out of sync?
...LESCE((SELECT MAX(id)+1 FROM your_table), 1), false);
COMMIT;
Source - Ruby Forum
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What is an 'endpoint' in Flask?
...imply say...
URL (http://www.example.org/greeting/Mark) should be handled by View Function (the function "give_greeting")
Actually, it there is another step, where it maps the URL to an endpoint:
URL (http://www.example.org/greeting/Mark) should be handled by Endpoint "give_greeting".
Requests t...
What are transparent comparators?
...s answer.
and does this change how standard containers work?
No, not by default.
The new member function template overloads of find etc. allow you to use a type that is comparable with the container's key, instead of using the key type itself. See N3465 by Joaquín Mª López Muñoz for rati...
What is the purpose of the : (colon) GNU Bash builtin?
...a modern context) you can usually use either : or true. Both are specified by POSIX, and some find true easier to read. However there is one interesting difference: : is a so-called POSIX special built-in, whereas true is a regular built-in.
Special built-ins are required to be built into the shel...
What is the global interpreter lock (GIL) in CPython?
...ction is executed in the interpreter. GIL ensures that interpreter is held by a single thread at a particular instant of time. And your python program with multiple threads works in a single interpreter. At any particular instant of time, this interpreter is held by a single thread. It means that on...
What does 'require: false' in Gemfile mean?
... = slower, according to confreaks.com/videos/2668-gogaruco2013-measuring-ruby
– Nathan Long
Oct 12 '13 at 14:11
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What is the difference between a generative and a discriminative algorithm?
.... Generative algorithms model p(x,y), which can be transformed into p(y|x) by applying Bayes rule and then used for classification. However, the distribution p(x,y) can also be used for other purposes. For example, you could use p(x,y) to generate likely (x,y) pairs.
From the description above, you...
What does it mean to inflate a view from an xml file?
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When you write an XML layout, it will be inflated by the Android OS which basically means that it will be rendered by creating view object in memory. Let's call that implicit inflation (the OS will inflate the view for you). For instance:
class Name extends Activity{
pu...