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What is a mixin, and why are they useful?
...and from XML. You want the type to provide a "ToXML" method that returns a string containing an XML fragment with the data values of the type, and a "FromXML" that allows the type to reconstruct its data values from an XML fragment in a string. Again, this is a contrived example, so perhaps you use ...
Remove directory which is not empty
...amed function to rimraf ;)
/**
* Remove directory recursively
* @param {string} dir_path
* @see https://stackoverflow.com/a/42505874/3027390
*/
function rimraf(dir_path) {
if (fs.existsSync(dir_path)) {
fs.readdirSync(dir_path).forEach(function(entry) {
var entry_path = ...
Catching an exception while using a Python 'with' statement
...
@ncoghlan But you can add extra try...except blocks inside with to be closer to the source of an exception that doesn't have anything to do with open().
– rbaleksandar
May 19 '17 at 14:44
...
How to only get file name with Linux 'find'?
...'
You can also use $PWD instead of . (on some systems it won't produce an extra dot in the front).
If you still got an extra dot, alternatively you can run:
find . -type f -execdir basename '{}' ';'
-execdir utility [argument ...] ;
The -execdir primary is identical to the -exec primary with the...
Starting python debugger automatically on error
...tically start pdb when an error is encountered? I am not against having an extra import statement at the top of the file, nor a few extra lines of code.
...
How can I use pointers in Java?
... public int value;
}
public class Binky() {
public static void main(String[] args) {
IntObj x; // Allocate the pointers x and y
IntObj y; // (but not the IntObj pointees)
x = new IntObj(); // Allocate an IntObj pointee
// and set x to...
How to get current timestamp in milliseconds since 1970 just the way Java gets
...e 767990892 which is round 8 days after the epoch ;-).
int main(int argc, char* argv[])
{
struct timeval tp;
gettimeofday(&tp, NULL);
long long mslong = (long long) tp.tv_sec * 1000L + tp.tv_usec / 1000; //get current timestamp in milliseconds
std::cout << mslong << ...
What's wrong with nullable columns in composite primary keys?
...s version the "ext" part of the tuple is NOT NULL but defaults to an empty string -- which is semantically (and practically) different from a NULL. A NULL is an unknown, whereas an empty string is a deliberate record of "something not being present". In other words, "empty" and "null" are different ...
Pythonic way to find maximum value and its index in a list?
...r the slowest method, and it gives the wrong answer, if the array contains strings instead of floats or integers.
– tommy.carstensen
Sep 8 '13 at 23:47
10
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Building a minimal plugin architecture in Python
...e too, although you can do a lot with just __import__, os.listdir and some string manipulation.
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