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Copy multiple files in Python
...t os.path.exists(destination_path):
os.mkdir(destination_path)
items = glob.glob(source_path + '/*')
for item in items:
if os.path.isdir(item):
path = os.path.join(destination_path, item.split('/')[-1])
files_count += recursive_copy_files(source_path=i...
How to take the first N items from a generator or list in Python? [duplicate]
...y exhausted.
On the other hand, the following approaches return up to n items which is preferable in many circumstances:
List:
[x for _, x in zip(range(n), records)]
Generator:
(x for _, x in zip(range(n), records))
sha...
XMLHttpRequest cannot load file. Cross origin requests are only supported for HTTP
...
brillilant , best and simpliest solution
– firasKoubaa
Aug 10 '16 at 8:01
1
...
NoSQL (MongoDB) vs Lucene (or Solr) as your database
...rmance of Solr decreases when index
size increases. We realized that the best solution is to use both Solr
and Mongo DB together. Then, we integrate Solr with MongoDB by storing
contents into the MongoDB and creating index using Solr for full-text
search. We only store the unique id for each...
#1071 - Specified key was too long; max key length is 1000 bytes
...columns anyway, because the index will be very bulky and inefficient.
The best practice is to use prefix indexes so you're only indexing a left substring of the data. Most of your data will be a lot shorter than 255 characters anyway.
You can declare a prefix length per column as you define the i...
Reset/remove CSS styles for element only
... and wide for the solution to this, but there are unfortunately none. The best you can do is explicitly override all possible properties that can be overridden, and override them to what you think their default value should be.
Even when you override, there is no way to ensure a more targeted CSS ...
Remove all elements contained in another array
...) rather than O(n).
const toRemoveMap = toRemove.reduce(
function(memo, item) {
memo[item] = memo[item] || true;
return memo;
},
{} // initialize an empty object
);
const filteredArray = myArray.filter(function (x) {
return toRemoveMap[x];
});
// or, if you want to use ES6-style a...
AngularJS-Twig conflict with double curly braces
...ncompatibility with third-party software, which will use these symbols.
So best advice I found in google: https://groups.google.com/d/msg/symfony2/kyebufz4M00/8VhF1KWsSAEJ
TwigBundle does not provide a configuration for the lexer delimiters
as changing them would forbid you to use any template...
Is there a way to avoid null check before the for-each loop iteration starts? [duplicate]
...
public <T extends Iterable> T nullGuard(T item) {
if (item == null) {
return Collections.EmptyList;
} else {
return item;
}
}
or, if saving lines of text is a priority (it shouldn't be)
public <T extends Iterable> T nullGuard(T item) {
return (...
How do you implement a Stack and a Queue in JavaScript?
What is the best way to implement a Stack and a Queue in JavaScript?
24 Answers
24
...