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Overloading and overriding
What is the difference between overloading and overriding.
12 Answers
12
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Creation timestamp and last update timestamp with Hibernate and MySQL
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Are you saying this also automatically sets the values? That's not my experience; it seems even with @CreationTimestamp and @UpdateTimestamp one either needs some @Column(..., columnDefinition = "timestamp default current_timestamp"), or use @PrePersist and @PreUp...
PHP Get Site URL Protocol - http vs https
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This works for me
if (isset($_SERVER['HTTPS']) &&
($_SERVER['HTTPS'] == 'on' || $_SERVER['HTTPS'] == 1) ||
isset($_SERVER['HTTP_X_FORWARDED_PROTO']) &&
$_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https') {
$protocol = 'https...
PHP - how to best determine if the current invocation is from CLI or web server?
... return true;
}
if ( empty($_SERVER['REMOTE_ADDR']) and !isset($_SERVER['HTTP_USER_AGENT']) and count($_SERVER['argv']) > 0)
{
return true;
}
if ( !array_key_exists('REQUEST_METHOD', $_SERVER) )
{
return true;
}
return false;
}
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Download File to server from URL
... That wouldn't be my first choice. If allow_fopen_url Off is set in php.ini (good idea for security), your script would be broken.
– PleaseStand
Oct 15 '10 at 0:43
4
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Why use 'virtual' for class properties in Entity Framework model definitions?
...virtual
Properties such as:
public ICollection<RSVP> RSVPs { get; set; }
Are not fields and should not be thought of as such. These are called getters and setters and at compilation time, they are converted into methods.
//Internally the code looks more like this:
public ICollection<...
Disable cross domain web security in Firefox
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i think that setting "network.http.referer.XOriginPolicy" to 1 worked for me (Firefox beta). I am unsure how bad (insecure) it is to leave it like this.
– 16851556
Apr 21 at 15:24
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R command for setting working directory to source file location in Rstudio
...nging the working directory to that of the current file can be done with:
setwd(getSrcDirectory()[1])
This does not work in RStudio if you Run the code rather than Sourceing it. For that, you need to use rstudioapi::getActiveDocumentContext.
setwd(dirname(rstudioapi::getActiveDocumentContext()$...
File being used by another process after using File.Create()
I'm trying to detect if a file exists at runtime, if not, create it. However I'm getting this error when I try to write to it:
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Android notification is not showing
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The code won't work without an icon. So, add the setSmallIcon call to the builder chain like this for it to work:
.setSmallIcon(R.drawable.icon)
Android Oreo (8.0) and above
Android 8 introduced a new requirement of setting the channelId property by using a NotificationCh...