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Named capturing groups in JavaScript regex?
...s into JavaScript regexes.
Example:
const auth = 'Bearer AUTHORIZATION_TOKEN'
const { groups: { token } } = /Bearer (?<token>[^ $]*)/.exec(auth)
console.log(token) // "Prints AUTHORIZATION_TOKEN"
If you need to support older browsers, you can do everything with normal (numbered) capt...
What is the difference between #include and #include “filename”?
...original
directive.
A preprocessing directive of the form
#include pp-tokens new-line
(that does not match one of the two previous forms) is permitted. The preprocessing tokens after include in the directive are processed just as in normal text. (Each identifier currently defined as a mac...
Why should eval be avoided in Bash, and what should I use instead?
...quoted first. Here's how:
This function which will do it for you:
function token_quote {
local quoted=()
for token; do
quoted+=( "$(printf '%q' "$token")" )
done
printf '%s\n' "${quoted[*]}"
}
Example usage:
Given some untrusted user input:
% input="Trying to hack you; date"
Construct ...
ElasticSearch: Unassigned Shards, how to fix?
...l re-assign shards to nodes dynamically. However, if you've disabled shard allocation (perhaps you did a rolling restart and forgot to re-enable it), you can re-enable shard allocation.
# v0.90.x and earlier
curl -XPUT 'localhost:9200/_settings' -d '{
"index.routing.allocation.disable_allocatio...
Split string to equal length substrings in Java
...
This is very easy with Google Guava:
for(final String token :
Splitter
.fixedLength(4)
.split("Thequickbrownfoxjumps")){
System.out.println(token);
}
Output:
Theq
uick
brow
nfox
jump
s
Or if you need the result as an array, you can use this code:
St...
what is the difference between 'transform' and 'fit_transform' in sklearn
...e methods:
fit(raw_documents[, y]): Learn a vocabulary dictionary of all tokens in the raw documents.
fit_transform(raw_documents[, y]): Learn the vocabulary dictionary and return term-document matrix. This is equivalent to fit followed by the transform, but more efficiently implemented.
transform...
What is the difference between new/delete and malloc/free?
What is the difference between new / delete and malloc / free ?
15 Answers
15
...
Dynamically replace the contents of a C# method?
...they have some - for instance, '.call' has one argument: the called method token, and '.pop' has none)
Correspondence between IL codes and bytes you find in the returned array may be found using OpCodes.YourOpCode.Value (which is the real opcode byte value as saved in your assembly)
Arguments append...
When should I use the new keyword in C++?
...
Method 1 (using new)
Allocates memory for the object on the free store (This is frequently the same thing as the heap)
Requires you to explicitly delete your object later. (If you don't delete it, you could create a memory leak)
Memory stays al...
Why should C++ programmers minimize use of 'new'?
...
There are two widely-used memory allocation techniques: automatic allocation and dynamic allocation. Commonly, there is a corresponding region of memory for each: the stack and the heap.
Stack
The stack always allocates memory in a sequential fashion. It c...