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How to downgrade or install an older version of Cocoapods
...vert to 0.37 was run your comment sudo gem uninstall cocoapods and then pick 0.38 from the automatically presented list. Within seconds I was back on 0.37, and my pod install worked again! Thanks so much!
– Erik van der Neut
Jul 21 '15 at 2:42
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Getting MAC Address
...uld find was to run ifconfig and run a regex across its output. I don't like using a package that only works on one OS, and parsing the output of another program doesn't seem very elegant not to mention error prone.
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List of strings to one string
...is because the Join method was written for that purpose. In fact if you look at Reflector, you'll see that unsafe code was used to really optimize it. The other two also WORK, but I think the Join function was written for this purpose, and I would guess, the most efficient. I could be wrong though.....
How to compare type of an object in Python?
...ll return True.
You may also want to read this: http://www.canonical.org/~kragen/isinstance/
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How do you remove duplicates from a list whilst preserving order?
...in that removes duplicates from list in Python, whilst preserving order? I know that I can use a set to remove duplicates, but that destroys the original order. I also know that I can roll my own like this:
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Property getters and setters
...s no x to be assigned.
Explicitly: "How can I do this without explicit backing ivars". You can't - you'll need something to backup the computed property. Try this:
class Point {
private var _x: Int = 0 // _x -> backingX
var x: Int {
set { _x = 2 * newValue }
get { retu...
git add all except ignoring files in .gitignore file
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I think you mean git add . which will add all of the files to the repo that AREN'T specified in the .gitignore - you can see these changes by typing git status
The . in bash usually means this directory and all other directories r...
How to copy a directory using Ant
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isapir
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answered Nov 6 '09 at 4:42
OmnipresentOmnipresent...
How to enumerate an enum with String type?
For example, how can I do something like:
42 Answers
42
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typecast string to integer - Postgres
...answered May 9 '12 at 14:43
Frank HeikensFrank Heikens
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