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Get the Last Inserted Id Using Laravel Eloquent
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How to do ToString for a possibly null object?
...ecessary and is not that succinct in practice.
As suggested elsewhere, I recommend maybe using an extension method to make this cleaner:
public static string ToStringNullSafe(this object value)
{
return (value ?? string.Empty).ToString();
}
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Painless way to install a new version of R?
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Just for completeness, there are some ways to prevent you from having this problem. As Dirk said, save your packages in another directory on your computer.
install.packages("thepackage",lib="/path/to/directory/with/libraries")
You...
How to check sbt version?
...btVersion
You may also want to use sbt about that (copying Mark Harrah's comment):
The about command was added recently to try to succinctly print the
most relevant information, including the sbt version.
share
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How can I write to the console in PHP?
...to the awesome web development extension Firebug.
http://www.studytrails.com/blog/using-firephp-in-firefox-to-debug-php/
Chrome
However if you are using Chrome there is a PHP debugging tool called Chrome Logger or webug (webug has problems with the order of logs).
More recently Clockwork is in...
What's the difference between session.Merge and session.SaveOrUpdate?
...ance
the persistent instance is returned
the given instance does not become associated with the session, it
remains detached
You should use Merge() if you are trying to update objects that were at one point detached from the session, especially if there might be persistent instances of t...
How to create a directory if it doesn't exist using Node.js?
...when it tries writing to files in it. The answer by @josh3736 is much more complete and totally underrated.
– Benni
Jan 15 '19 at 7:59
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How do you rename a MongoDB database?
...n the future)
other locations I may be missing
This is just to accomplish a rename of a single database in a standalone mongod instance. For replica sets the above would need to be done on every replica node, plus on each node every single oplog entry that refers this database would have t...
Paste text on Android Emulator
... @mhsmith How do you do that (reset clipboard sharing) from the command line with Android command line tools or via editing the ~/.android/avd/ .ini files?
– Chloe
Jan 15 '18 at 18:53
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Best way to trim strings after data entry. Should I create a custom model binder?
...ontrollerContext,
ModelBindingContext bindingContext,
System.ComponentModel.PropertyDescriptor propertyDescriptor, object value)
{
if (propertyDescriptor.PropertyType == typeof(string))
{
var stringValue = (string)value;
if (!string.IsNullOrWhiteSpace(st...