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Set NOW() as Default Value for datetime datatype?
...W
SET NEW.datetimefield = NOW()
it should work for updates too
Answers by Johan & Leonardo involve converting to a timestamp field. Although this is probably ok for the use case presented in the question (storing RegisterDate and LastVisitDate), it is not a universal solution. See datetime v...
Best way to give a variable a default value (simulate Perl ||, ||= )
...he first line would return an empty string, but we could return "john doe" by using $_GET['name'] ? $_GET['name'] : 'john doe'.
– VPhantom
May 20 at 18:33
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Display back button on action bar
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Thanks for your help. By using manifest, it was not working but using the code it is working
– santosh devnath
Sep 18 '18 at 13:06
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How do I convert a IPython Notebook into a Python file via commandline?
... bit of a hack, you can even call the above command in an IPython notebook by pre-pending ! (used for any command line argument). Inside a notebook:
!jupyter nbconvert --to script config_template.ipynb
Before --to script was added, the option was --to python or --to=python, but it was renamed in ...
Paste text on Android Emulator
... This is how to paste on Mac, since the command key starts touch gestures by default.
– Jim
Jun 8 '18 at 22:11
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Handling applicationDidBecomeActive - “How can a view controller respond to the app becoming Active?
...h safer way to accomplish this:
First, create a lazy var that can be used by the notification:
lazy var didBecomeActive: (Notification) -> Void = { [weak self] _ in
// Do stuff
}
If you require the actual notification be included, just replace the _ with notification.
Next, we set up th...
Maximum request length exceeded.
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</system.webServer>
Note:
maxRequestLength is measured in kilobytes
maxAllowedContentLength is measured in bytes
which is why the values differ in this config example. (Both are equivalent to 1 GB.)
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A generic list of anonymous class
...ork. However, list[0].Id won't work.
This will work at runtime in C# 4.0 by having a List<dynamic>, that is you won't get IntelliSense.
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How to create fixed space and flexible space bar button items programmatically?
...d a bottom bar with two centered play and pause bar button items separated by a fixed space of 30 in a view controller:
import PlaygroundSupport
import UIKit
class ViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
view.backgroundColor = .whi...
Batch files: How to read a file?
...he 2nd and 3rd token from each line to the for body, with tokens delimited by commas and/or spaces.
– Martin Prikryl
Dec 22 '14 at 13:37
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