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Any way to Invoke a private method?
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when I've done this in the past, I've also called method.setAccessible(false) after calling the method, but I have no idea if this is necessary or not.
– shsteimer
May 19 '09 at 1:53
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How to detect if app is being built for device or simulator in Swift
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#endif
After Swift 4.1 version
Latest use, now directly for all in one condition for all types of simulators need to apply only one condition -
#if targetEnvironment(simulator)
// your simulator code
#else
// your real device code
#endif
For more clarification, you can check S...
How to sort an IEnumerable
How can I sort an IEnumerable<string> alphabetically. Is this possible?
4 Answers
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Strange, unexpected behavior (disappearing/changing values) when using Hash default value, e.g. Hash
...ere’s a hint:
h[42] #=> ["a", "b"]
The array returned by each [] call is just the default value, which we’ve been mutating all this time so now contains our new values. Since << doesn’t assign to the hash (there can never be assignment in Ruby without an = present†), we’ve nev...
Insert a string at a specific index
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Here is a method I wrote that behaves like all other programming languages:
String.prototype.insert = function(index, string) {
if (index > 0)
{
return this.substring(0, index) + string + this.substring(index, this.length);
}
return string + this;
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What's the difference between an element and a node in XML?
...M considers nodes more basic (primitive) than elements, when "element" actually refers to the most basic building block in English.
– BoltClock♦
Dec 12 '12 at 6:01
16
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How to debug Ruby scripts [closed]
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Use Pry (GitHub).
Install via:
$ gem install pry
$ pry
Then add:
require 'pry'; binding.pry
into your program.
As of pry 0.12.2 however, there are no navigation commands such as next, break, etc. Some other gems additionally provide this, s...
Cannot pass null argument when using type hinting
...nswered Jan 29 '13 at 13:34
DonCallistoDonCallisto
26k77 gold badges6161 silver badges8484 bronze badges
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How to specify new GCC path for CMake
... path /usr/bin/gcc . But it is old, I need a new version of gcc. So I install a new version in a new path /usr/local/bin/gcc .
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How do I show the changes which have been staged?
I staged a few changes to be committed; how can I see the diff of all files which are staged for the next commit? I'm aware of git status , but I'd like to see the actual diffs - not just the names of files which are staged.
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