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What linux shell command returns a part of a string? [duplicate]
...irst slash (exactly what I wanted), you can do: cut -d/ -f-1, which can be read as "cut on substrings delimited by /, only return the first one".
– ArtOfWarfare
Sep 11 '17 at 14:31
...
JPG vs. JPEG image formats
...between the two is. I have come across this question , and will certainly read through it, though at the moment I'm slightly out of time. However, from what I saw giving it a quick look, it seems not to distinguish the two extensions. In fact, it seems the file type's name is JPEG and the file ex...
Using property() on classmethods
...gt;>> foo.var
3
But since you're using a metaclass anyway, it will read better if you just move the classmethods in there.
>>> class foo(object):
... _var = 5
... class __metaclass__(type): # Python 2 syntax for metaclasses
... @property
... def var(cls):
....
Does use of final keyword in Java improve the performance?
...mon JVM, so...)
To my mind you should use final based on clear design and readability rather than for performance reasons. If you want to change anything for performance reasons, you should perform appropriate measurements before bending the clearest code out of shape - that way you can decide whet...
Why do I get an UnsupportedOperationException when trying to remove an element from a List?
...
Reading those comments 7 years later I allow myself to indicate this link: stackoverflow.com/questions/8892350/… likely to fix the difference between immutable and unmodifiable, discussed here.
– Natha...
MassAssignmentException in Laravel
...
Read this section of Laravel doc : http://laravel.com/docs/eloquent#mass-assignment
Laravel provides by default a protection against mass assignment security issues. That's why you have to manually define which fields could ...
Why is Linux called a monolithic kernel?
I read that Linux is a monolithic kernel. Does monolithic kernel mean compiling and linking the complete kernel code into an executable?
...
Can I obtain method parameter name using Java reflection?
...If the class was compiled with debugging it can extract the information by reading the bytecode of the class.
Another way is for it to inject a private static member into the bytecode of the class after it is compiled, but before it is placed in a jar. It then uses reflection to extract this inform...
Deep cloning objects
... For this to work the object to clone needs to be serializable as already mentioned - this also means for example that it may not have circular dependencies
– radomeit
Feb 22 '18 at 10:03
...
Amazon S3 direct file upload from client browser - private key disclosure
...c/" /><br />
<input type="hidden" name="acl" value="public-read" />
<input type="hidden" name="success_action_redirect" value="http://johnsmith.s3.amazonaws.com/successful_upload.html" />
Content-Type: <input type="input" name="Content-Type" value="image/jpeg" /&g...