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What would be C++ limitations compared C language? [closed]
...tive C' and 'call the Java java.util.Queue class using JNI' or 'call the CPython library' - Objective C actually is a proper superset of C (including C99), and Java and CPython libraries both are callable directly from C without having to port unrelated code to the C++ language.
Of course you cou...
What is the difference between statically typed and dynamically typed languages?
... a statically-typed language with type inference).
Examples: Perl, Ruby, Python, PHP, JavaScript
Most scripting languages have this feature as there is no compiler to do static type-checking anyway, but you may find yourself searching for a bug that is due to the interpreter misinterpreting the t...
Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
...it goes to the blog author pmoubed:
Amazon EC2 Micro Instance Swap Space - Linux
I have a Amazon EC2 Linux Micro instance. Since Micro instances have only 613MB of memory, MySQL crashed every now and then. After a long search about MySQL, Micro Instance and Memory Managment I found out there is no d...
PHP Composer update “cannot allocate memory” error (using Laravel 4)
...ap partition and try. Swap partition is the portion of the hard drive that linux uses as virtual memory when it runs out of physical memory. It's similar to the windows swap file only instead of using an actual file, linux uses a partition on the hard drive instead.
Hope this helps
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How do I compare version numbers in Python?
... PEP 440 versions as “not strict” and therefore doesn’t match modern Python’s notion of what a valid version is.
As distutils.version is undocumented, here's the relevant docstrings.
share
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Replace all non-alphanumeric characters in a string
... same but allows the underscore as a word character (don't know why): docs.python.org/3.6/library/re.html#index-32
– JHS
Dec 23 '18 at 1:32
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How can a Java program get its own process ID?
...ID. It's short, and probably works in every implementation in wide use.
On linux+windows it returns a value like 12345@hostname (12345 being the process id). Beware though that according to the docs, there are no guarantees about this value:
Returns the name representing the running Java virtual ma...
More elegant way of declaring multiple variables at the same time
...t least accepting of this idiom, but I suspect that some may consider it Unpythonic. </disclaimer>
Yet another approach, which is likely the most intuitive if you will be using this pattern frequently, is to define your data as a list of flag values (True, False) mapped to flag names (sing...
What is the difference between YAML and JSON?
... YAML can allow an attacker to execute arbitrary code.
Observations:
Python programmers are generally big fans of YAML, because of the use of indentation, rather than bracketed syntax, to indicate levels.
Many programmers consider the attachment of "meaning" to indentation a poor choice.
If...
Best practices when running Node.js with port 80 (Ubuntu / Linode) [closed]
I am setting up my first Node.js server on a cloud Linux node and I am fairly new to the details of Linux admin . (BTW I am not trying to use Apache at the same time.)
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