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Are Mutexes needed in javascript?
...and, I have read that there are no threads in javascript, but what exactly does that mean?
7 Answers
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Static nested class in Java, why?
...ested classes named Entry, such as Map.Entry - same concept). And since it does not need access to LinkedList's members, it makes sense for it to be static - it's a much cleaner approach.
As Jon Skeet points out, I think it is a better idea if you are using a nested class is to start off with it be...
How to “comment-out” (add comment) in a batch/cmd?
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The rem command is indeed for comments. It doesn't inherently update anyone after running the script. Some script authors might use it that way instead of echo, though, because by default the batch interpreter will print out each command before it's processed. Since r...
Arduino Sketch upload issue - avrdude: stk500_recv(): programmer is not responding
...re to software, low level to high level):
if the cable and/or connectors does not have microcuts;
if no solder points are short circuiting (i.e. touching something metallic around), that means:
if there is no short circuit on the PCB between Rx and Tx (usually pins 1 and 0);
if there is no conta...
How to avoid explicit 'self' in Python?
...other reason python and I do not get along. Thanks for this as an idea. It does not fix the problem /headache / unreadability overall but provides a modest workaround.
– javadba
May 21 '19 at 13:57
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What does 'super' do in Python?
... likely hard-code the parent of the class you're writing (like the example does). This would mean that you would not call the next __init__ in the MRO, and you would thus not get to reuse the code in it.
If you're writing your own code for personal use, you may not care about this distinction. But ...
Why does PEP-8 specify a maximum line length of 79 characters? [closed]
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10 years later: Doesn't that just depend on how you set up line wrapping. Line wrapping can be as intelligent or stupid as you want it. If it's uncomfortable to read that's just a failure of your editor.
– David Mulder
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Why does PHP 5.2+ disallow abstract static class methods?
...se you're not familiar with late static bindings, note that code like this doesn't work the way you might expect:
<?php
abstract class ParentClass {
static function foo() {
echo "I'm gonna do bar()";
self::bar();
}
abstract static function bar();
}
class ChildClass...
When should I write the keyword 'inline' for a function/method?
...e cannot be used in other translation units. Linker needs to make sure it doesn't accidentally use a statically defined variable/function from another translation unit.
extern - use this variable/function name in this translation unit but don't complain if it isn't defined. The linker will sort it...
What does “mro()” do?
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