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How do you find out the type of an object (in Swift)?
...ped optionals! i.e. var myVar: SomeType!. Compiler gives the error "Cannot convert value of type 'SomeType!.Type' (aka 'ImplicitlyUnwrappedOptional<SomeType>.Type') to expected argument type 'AnyClass' (aka 'AnyObject.Type') Compiler suggest adding as! AnyClass after the type but then program...
How do I get the find command to print out the file size with the file name?
...exec ls -lh {} \;
just the h extra from jer.drab.org's reply. saves time converting to MB mentally ;)
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How do I create a copy of an object in PHP?
...what you intend to do, it does it in an awfully slow way. Not only are you converting all your object into a string and back, using time and memory, you also break PHPs possible CopyOnWrite mechanism. A much better way is to implement your __clone method properly as suggested by stackoverflow.com/a/...
Tools for JPEG optimization? [closed]
...ize does a lossless optimization of the Huffmann compression. You can also convert the images to progressive mode with -progressive, but that might cause compatibility problems (does anyone know more about that?)
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Why are mutable structs “evil”?
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So if you change a copy you are changing only that copy, not the original and not any other copies which might be around.
If your struct is immutable then all automatic copies resulting from being passed by value will be the same.
If you want to change it you have to consciously do it by creating...
How do I edit /etc/sudoers from a script?
...status of visudo to make sure there are no errors?
– converter42
Nov 27 '08 at 15:58
/etc/sudoers.tmp is the lockfile ...
Rename multiple files by replacing a particular pattern in the filenames using a shell script [dupli
...d you want to replace "IMG" with "myVacation".
With bash you can directly convert the string with parameter expansion.
Example: if the file is IMG_327.jpg, the mv command will be executed as if you do mv IMG_327.jpg myVacation_327.jpg. And this will be done for each file found in the directory mat...
Am I immoral for using a variable name that differs from its type only by case?
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community wiki
Andrew Hare
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What does .class mean in Java?
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And how does Android handle new Intent(this, Activity.class? Will it try to find out class Activity by comparing each class?
– Zhipeng YANG
Sep 21 '16 at 13:28
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git rebase: “error: cannot stat 'file': Permission denied”
...everything I could think of before I remembered the WinLess LESS -> CSS converter hiding in the background.
– Michael Martin-Smucker
Jun 13 '12 at 15:20
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