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How can I display just a portion of an image in HTML/CSS?
...tedly – I'm editing to show the use of clip-path, which has replaced the now-deprecated clip property.
The clip-path property allows a range of options (more-so than the original clip), of:
inset — rectangular/cuboid shapes, defined with four values as 'distance-from' (top right bottom left)....
Why is the gets function so dangerous that it should not be used?
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In order to use gets safely, you have to know exactly how many characters you will be reading, so that you can make your buffer large enough. You will only know that if you know exactly what data you will be reading.
Instead of using gets, you want to use fgets, whi...
“The run destination iOS Device is not valid for running the scheme”
...e and it started working.
I've noticed this sort of thing many many times now with Xcode with other problems, its very frustrating that the tool is so dodgy.
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Storing Images in PostgreSQL
... have not changed the original text above today (my answer was Apr 22 '12, now with 14 votes), I am opening the answer for your changes (see "Wiki mode", you can edit!), for proofreading and for updates. The question is stable (@Ivans's '08 answer with 19 votes), please, help to improve this text....
Why should the copy constructor accept its parameter by reference in C++?
...nstructor that takes another object by value or by reference. You already know why passing by value doesn't work, so the only way is passing by reference or const reference. If your "copy-constructor" would take a pointer to an object then the compiler's code would have to be object o(&other_obj...
Create the perfect JPA entity [closed]
I've been working with JPA (implementation Hibernate) for some time now and each time I need to create entities I find myself struggling with issues as AccessType, immutable properties, equals/hashCode, ... .
So I decided to try and find out the general best practice for each issue and write this ...
Multiprocessing - Pipe vs Queue
...ue() accounts for tasks when queue.task_done() is called (it doesn't even know about the specific task, it just counts unfinished tasks in the queue), so that queue.join() knows the work is finished.
The code for each at bottom of this answer...
mpenning@mpenning-T61:~$ python multi_pipe.py
Sendi...
Code-first vs Model/Database-first [closed]
...st a storage with no logic. EF will handle creation and you don't want to know how it does the job.
Manual changes to database will be most probably lost because your code defines the database.
Database first
Very popular if you have DB designed by DBAs, developed separately or if you have exist...
What is the difference between public, private, and protected?
...ilable to the inherited class
}
}
// Inherited class Daddy wants to know Grandpas Name
$daddy = new Daddy;
echo $daddy->displayGrandPaName(); // Prints 'Mark Henry'
// Public variables can also be accessed outside of the class!
$outsiderWantstoKnowGrandpasName = new GrandPa;
echo $outsider...
Difference between a Postback and a Callback
...n I started programming in C (maybe the term existed before that, I don't know) and it simply means a pointer to function and this pointer to a function (name this A) gets passed to another function (name this B) which will later invoke A. Callback is also recently used by Yahoo UI Connection Manag...