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Use of alloc init instead of new
...n new
General opinion seems to be that you should use whatever you're comfortable with.
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Comparing date ranges
... compare to this one
|---| ends before
|---| starts after
So if you simple reduce the comparison to:
starts after end
ends before start
then you'll find all those that doesn't overlap, and then you'll find all the non-...
Chrome doesn't delete session cookies
...irefox if you have the "Show my windows and tabs from last time" selection for the "When Firefox starts" pulldown in options. For the same reason. By design, session cookies are being retained to help keep workflow in the event of a browser crash.
– webnesto
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How can I prevent SQL injection in PHP?
... database server separately from any parameters. This way it is impossible for an attacker to inject malicious SQL.
You basically have two options to achieve this:
Using PDO (for any supported database driver):
$stmt = $pdo->prepare('SELECT * FROM employees WHERE name = :name');
$stmt->ex...
Why can't I do ?
...ly a disturbance. You CAN upload user files to the server with AJAX from a form with <input type=file> field, but if you want to be nice to the user and show a preview, you HAVE to do the round trip and upload the file to the server first. How is it more secure than generating the preview imag...
How to name factory like methods?
...llocate/new, construct, initialise...)
'Build' and 'Make' are common terms for processes relating to compiling code, so have different connotations to programmers, implying a process that comprises many steps and possibly a lot of disk activity. However, the idea of a Factory "building" something is...
Do fragments really need an empty constructor?
...ce() static method defined and pass any parameters via arguments (bundle)
For example:
public static final MyFragment newInstance(int title, String message) {
MyFragment f = new MyFragment();
Bundle bdl = new Bundle(2);
bdl.putInt(EXTRA_TITLE, title);
bdl.putString(EXTRA_MESSAGE, m...
Easy way to prevent Heroku idling?
...n as Jesse but maybe more integrated to Heroku... And with a few perks (performance monitoring is just great).
Note: to all those saying it doesn't work: the important part in my answer is "availability monitor". Just installing the addon won't help. You also need to setup the availability mon...
Generating an Excel file in ASP.NET [closed]
...each has its own drawbacks. How would you return the data? I'm looking for something that's as clean and straightforward as possible.
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How to play a local video with Swift?
...
private func playVideo() {
guard let path = Bundle.main.path(forResource: "video", ofType:"m4v") else {
debugPrint("video.m4v not found")
return
}
let player = AVPlayer(url: URL(fileURLWithPath: path))
let playerController = AVPlayerViewC...