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iOS - Calling App Delegate method from ViewController
What I am trying to do is click a button (that was created in code) and have it call up a different view controller then have it run a function in the new view controller.
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foreach vs someList.ForEach(){}
...r item in someList)
if(item.RemoveMe) someList.Remove(item);
tl;dr: Do NOT copypaste this code into your application!
These examples aren't best practice, they are just to demonstrate the differences between ForEach() and foreach.
Removing items from a list within a for loop can have side ...
Using Gulp to Concatenate and Uglify files
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It is not clear for me why we need to do rename? Is it a bug or ?
– przemcio
Jan 5 '16 at 7:29
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Can you remove elements from a std::list while iterating through it?
...ed, no exceptions. That is simply how function work. And it has nothing to do with your foo.b(i++).c(i++) example (which is undefined in any case)
– jalf
Feb 28 '09 at 15:59
77
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Can I squash commits in Mercurial?
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Yes, you can do this using mercurial without any extensions by Concatenating Changesets.
Alternately if you want to use an extension you could use:
The Collapse Extension
The Rebase Extension or
The Histedit Extension
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How to add text at the end of each line in Vim?
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This will do it to every line in the file:
:%s/$/,/
If you want to do a subset of lines instead of the whole file, you can specify them in place of the %.
One way is to do a visual select and then type the :. It will fill in :'<...
What exactly are unmanaged resources?
...r you.
Unmanaged resources are then everything that the garbage collector does not know about. For example:
Open files
Open network connections
Unmanaged memory
In XNA: vertex buffers, index buffers, textures, etc.
Normally you want to release those unmanaged resources before you lose all the ...
How much faster is C++ than C#?
...faster in later versions of the runtime (.NET CLR or Java VM), without you doing anything. And there are a lot of useful optimizations JIT compilers can do that are simply impossible in languages with pointers. Also, some argue that garbage collection should generally be as fast or faster as manual ...
How to fix “Incorrect string value” errors?
After noticing an application tended to discard random emails due to incorrect string value errors, I went though and switched many text columns to use the utf8 column charset and the default column collate ( utf8_general_ci ) so that it would accept them. This fixed most of the errors, and made ...
Learning Python from Ruby; Differences and Similarities
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Here are some key differences to me:
Ruby has blocks; Python does not.
Python has functions; Ruby does not. In Python, you can take any function or method and pass it to another function. In Ruby, everything is a method, and methods can't be directly passed. Instead, you have to wra...