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What are the most-used vim commands/keypresses?
...rouble wading through the gargantuan lists of things you can do in VIM and all of the keypresses for them. I'm tired of hearing "You can use 'I' for inserting text, or 'a' for appending text after the character, or 'A' for appending text at the end of the line, or…" I can't imagine everyone uses a...
When should I make explicit use of the `this` pointer?
...
Usually, you do not have to, this-> is implied.
Sometimes, there is a name ambiguity, where it can be used to disambiguate class members and local variables. However, here is a completely different case where this-> is e...
Nginx reverse proxy causing 504 Gateway Timeout
...nd it had to do with not using a keep-alive on the connection. I can't actually answer why this is but, in clearing the connection header I solved this issue and the request was proxied just fine:
server {
location / {
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header ...
Convert Mercurial project to Git [duplicate]
... solution was to just remove hg related files and then git init && add manually the files I needed, but that would not keep the history. Are there any solutions to this?
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Recommended date format for REST GET API
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REST doesn't have a recommended date format. Really it boils down to what works best for your end user and your system. Personally, I would want to stick to a standard like you have for ISO 8601 (url encoded).
If not having ugly URI is a concern (e.g. not including th...
How do I set up a simple delegate to communicate between two view controllers?
... super.viewDidLoad()
}
@IBAction func btnSendDataPushed(_ sender: UIButton) {
// Call the delegate method from SecondVC
self.delegate?.sendData(data:self.data)
dismiss(animated: true, completion: nil)
}
}
ViewCo...
GLib compile error (ffi.h), but libffi is installed
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If you have a Debian-based Linux OS with apt-get:
sudo apt-get install libffi-dev
With a Redhat-base OS:
yum install libffi-devel
With Alpine Linux:
apk add libffi-dev
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scala vs java, performance and memory? [closed]
...y easy to use enormous amounts of memory without realizing it. This is usually very powerful, but occasionally can be annoying. For example, suppose you have an array of strings (called array), and a map from those strings to files (called mapping). Suppose you want to get all files that are in t...
How to cancel an $http request in AngularJS?
...efer();
$http.get('/someUrl', {timeout: canceler.promise}).success(successCallback);
// later...
canceler.resolve(); // Aborts the $http request if it isn't finished.
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Incrementing in C++ - When to use x++ or ++x?
... i.e., x++ or ++x should only exist on its own line, never as y=x++. Personally, I don't like this, but it's uncommon
– Mikeage
Nov 28 '09 at 16:54
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