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When to use virtual destructors?
...ete b], if the static type of the
object to be deleted is different from its dynamic type, the static
type shall be a base class of the dynamic type of the object to be
deleted and the static type shall have a virtual destructor or the
behavior is undefined.
In most implementations, the ca...
Remove multiple whitespaces
...getting $row['message'] from a MySQL database and I need to remove all whitespace like \n \t and so on.
15 Answers
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Adding local .aar files to Gradle build using “flatDirs” is not working
...
Building upon Josiah's answer, here's how I got it to work.
Following his instructions (under edit) (File -> New-> New Module -> Import .JAR/.AAR) and import your .AAR.
Then in your project build.gradle (not the top level one, the one under 'app') add the foll...
Foreign key constraint may cause cycles or multiple cascade paths?
...ths and, rather than trying to work out whether any cycles actually exist, it assumes the worst and refuses to create the referential actions (CASCADE): you can and should still create the constraints without the referential actions. If you can't alter your design (or doing so would compromise thing...
Ruby : How to write a gem? [closed]
I'd like to write a package for Ruby and make it available as a gem.
What are the tools, steps and pitfalls ?
Are there any good tutorials, screencasts, etc., which helped you learning how to do it ?
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Regular expression to match DNS hostname or IP Address?
... host names. Depending on the language you use \ could have to be escaped with \.
ValidHostnameRegex is valid as per RFC 1123. Originally, RFC 952 specified that hostname segments could not start with a digit.
http://en.wikipedia.org/wiki/Hostname
The original specification of
hostnames in...
Laravel - Eloquent or Fluent random row
... records
// 5 indicates the number of records
User::inRandomOrder()->limit(5)->get();
// get one random record
User::inRandomOrder()->first();
or using the random method for collections:
User::all()->random();
User::all()->random(10); // The amount of items you wish to receive
Larav...
How to run mvim (MacVim) from Terminal?
I have MacVim installed and I am trying to set it up as the editor for Git (version control), but I can't run 'mvim' from the command line as it isn't recognised. How do I setup mvim so I can run it from Terminal?
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Trim spaces from start and end of string
I am trying to find a way to trim spaces from the start and end of the title string. I was using this, but it doesn't seem to be working:
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Assign an initial value to radio button as checked
How do I assign the value of a radio button initially as checked in HTML?
8 Answers
8
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