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What can I use instead of the arrow operator, `->`?
... new SomeClass();
SomeClass *aPointer = &anObject;
To be able to use one of the objects methods you dereference the pointer and do a method call on that address:
(*aPointer).method();
Which could be written with the arrow operator:
aPointer->method();
The main reason of the existents ...
How do I create a category in Xcode 6 or higher?
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They didn't forget. They just moved it without telling anyone.
Click File -> New -> File
Select Objective-C file under Sources in iOS or Mac OS respectively and Click Next
Now under File Type: choose either Category, Protocol, or Extension
PS. Under File Name: whatever you...
How do I remove the file suffix and path portion from a path string in Bash?
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I ended up using this one because it was the most flexible and there were a couple other similar things I wanted to do as well that this did nicely.
– Lawrence Johnston
Oct 5 '08 at 7:37
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Can't use method return value in write context
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This is a much better answer than the one currently selected.
– SystemParadox
Sep 9 '11 at 14:20
20
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How line ending conversions work with git core.autocrlf between different operating systems
...onverting LFs to CRLFs, then it will leave the file in a mixed mode with "lonely" CRs wherever a CRLF was converted to CRCRLF.
Git will then not convert anything, even in true mode, and EOL havoc continues. This actually happened to me and messed up my files really badly, since some editors and comp...
How to get the changes on a branch in Git
...kes a revision list. git-diff does not take a list of revisions - it takes one or two revisions, and has defined the A...B syntax to mean how it's defined in the git-diff manpage. If git-diff did not explicitly define A...B, then that syntax would be invalid. Note that the git-rev-parse manpage desc...
In an array of objects, fastest way to find the index of an object whose attributes match a search
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Hi everyone instead of using two methods map, indexOf you can use just one called findIndex....... Ex: [{id:1},{id:2},{id:3},{id:4}].findIndex(function(obj){return obj.id == 3}) OR [{id:1},{id:2},{id:3},{id:4}].findIndex(obj =>...
When is it better to use an NSSet over an NSArray?
I have used NSSets many times in my apps, but I have never created one myself.
11 Answers
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How to configure Mac OS X term so that git has color? [closed]
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Which .profile file you mentioned?
– Darshan Puranik
May 26 '16 at 12:50
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Why does appending “” to a String save memory?
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That's one of the very few cases where the String(String) constructor (i.e. the String constructor taking a String as input) is useful: new String(data.substring(x, y)) does effectively the same thing as appending "", but it makes t...