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Removing colors from output
...cording to Wikipedia, the [m|K] in the sed command you're using is specifically designed to handle m (the color command) and K (the "erase part of line" command). Your script is trying to set absolute cursor position to 60 (^[[60G) to get all the OKs in a line, which your sed line doesn't cover.
(P...
How much is the overhead of smart pointers compared to normal pointers in C++?
..._ptr always has memory overhead for reference counter, though it is very small.
std::unique_ptr has time overhead only during constructor (if it has to copy the provided deleter and/or null-initialize the pointer) and during destructor (to destroy the owned object).
std::shared_ptr has time overhe...
How do I run a rake task from Capistrano?
...hen, from /rails_root/, you can run:
cap staging rake:invoke task=rebuild_table_abc
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Loading/Downloading image from URL on Swift
...t to it; Otherwise you might load images on top of each other. E.g. in a UITableView where a cell shows an image and the image is updated when the dequeued cell is returned. If process #1 takes longer then process #2, process #2 will show its image and it will then later be updated by process #1 eve...
Get path of executable
...uriousguy: You'd want to do it if, for example, your program might get installed in a directory of the user's choosing. You need to be able to find your executable and its support files somehow.
– greyfade
Jun 25 '12 at 3:11
...
Perform debounce in React.js
...>
AwesomeDebouncePromise(searchFunction, 300)
);
// The async callback is run each time the text changes,
// but as the search function is debounced, it does not
// fire a new request on each keystroke
const searchResults = useAsync(
async () => {
if (inputText.length ...
Add new field to every document in a MongoDB collection
...field" : 1, "test" : "a" }
EDIT:
In case you want to add a new_field to all your collection, you have to use empty selector, and set multi flag to true (last param) to update all the documents
db.your_collection.update(
{},
{ $set: {"new_field": 1} },
false,
true
)
EDIT:
In the above ...
Can I escape a double quote in a verbatim string literal?
...his should help clear up any questions you may have: C# literals
Here is a table from the linked content:
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Should I use PATCH or PUT in my REST API?
...group id} { "attributes": { "status": "deleted" } }
response: 406 Not Acceptable
Replacing the resource, without side-effects use PUT.
PUT /groups/{group id}
In case you wish to replace an entire Group. This does not necessarily mean that the server actually creates a new group and throws the ol...
How to get my IP address programmatically on iOS/macOS?
I would like to obtain my iPad's IP address programmatically.
How can I query the networking subsystem to find out what my IPv4 (and IPv6) addresses are?
...