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Understanding prototypal inheritance in JavaScript
...ant sharing, like each SuperCar having it's own Name. So how does one go about setting each SuperCar's name to it's own thing? You could set this.Name inside the SuperCar constructor function:
function SuperCar(name){
this.Name = name;
}
This works, but wait a second. Didn't we do exactly the...
How to search a specific value in all tables (PostgreSQL)?
...
How about dumping the contents of the database, then using grep?
$ pg_dump --data-only --inserts -U postgres your-db-name > a.tmp
$ grep United a.tmp
INSERT INTO countries VALUES ('US', 'United States');
INSERT INTO countries V...
When to use ' (or quote) in Lisp?
... print(f"(free {random.randint(0, 20)})")
...
print(")")
Giving you output looking like this (slightly prettyfied):
'((allocate 3)
(allocate 7)
(free 14)
(allocate 19)
...)
Remember what I said about quote ("tick") causing the default rule not to apply? Good. What would otherwise h...
Difference between CC, gcc and g++?
... C standards. It is doubtful that POSIX succeeded.
The question asks about the differences in terms of features and libraries. As before, the answer is platform specific in part, and generic in part.
The big divide is between the C compilers and the C++ compilers. The C++ compilers will accep...
How does git compute file hashes?
...
You can also compare this to the output of echo 'Hello, World!' | git hash-object --stdin. Optionally you can specify --no-filters to make sure no crlf conversion happens, or specify --path=somethi.ng to let git use the filter specified via gitattributes (al...
SVN how to resolve new tree conflicts when file is added on two branches
...ver versioned file
This test does a merge which brings a file addition without history onto an
existing versioned file.
This should be a tree conflict on the file of the 'local obstruction, incoming add upon merge' variety. Fixed expectations in r35341.
(This is also called "evil twins" in ClearCas...
How to swap files between windows in VIM?
...s of use cases that can't be done using the built in window management without destroying and recreating windows. The swap buffers script allows these use cases.
– bobpaul
Oct 12 '11 at 21:10
...
What does “default” mean after a class' function declaration?
...ivial to write, it's better to let the compiler handle it than to spell it out yourself each time.
Also notice that a default constructor would not be generated if you provide any other non-default constructor. If you still want the default constructor, too, you can use this syntax to have the comp...
SQL Server indexes - ascending or descending, what difference does it make?
...are appended with ascending key values then you can end up with every page out of logical order. This can severely impact the size of the IO reads when scanning the table and it is not in cache.
See the fragmentation results
avg_fragmentation avg_fragment
nam...
The difference between fork(), vfork(), exec() and clone()
... meant to be used when execve() is called directly after fork(). It turned out to work well in non-MMU systems (where fork() cannot work in an efficient manner) and when fork()ing processes with a huge memory footprint to run some small program (think Java's Runtime.exec()). POSIX has standardized t...