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Count number of objects in list [closed]
...'s put some stuff in it - 3 components/indexes/tags (whatever you want to call it) each with differing amounts of elements:
> mylist <- list(record1=c(1:10),record2=c(1:5),record3=c(1:2))
If you are interested in just the number of components in a list use:
> length(mylist)
[1] 3
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Convert List into Comma-Separated String
..., 4, 5 })
String.Join will take a list as a the second parameter and join all of the elements using the string passed as the first parameter into one single string.
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targetContentOffsetForProposedContentOffset:withScrollingVelocity without subclassing UICollectionVi
...or anyone who is reading this in the future.
First I set up the subclass call MyCollectionViewFlowLayout and then in interface builder I changed the collection view layout to Custom and selected my flow layout subclass.
Because you're doing it this way you can't specify items sizes, etc... in IB s...
Maintain the aspect ratio of a div with CSS
... an example where the .stretchy-wrap.onethird padding-bottom of 25% is actually 25% of the parent width. Can someone explain this?
– Misterparker
Feb 8 '13 at 15:53
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When to use enumerateObjectsUsingBlock vs. for
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Ultimately, use whichever pattern you want to use and comes more naturally in the context.
While for(... in ...) is quite convenient and syntactically brief, enumerateObjectsUsingBlock: has a number of features that may or may not prove interesting:
enumerateObjectsUsingBlock: will be as fas...
How to convert View Model into JSON object in ASP.NET MVC?
...ide <script> tags, but the JSON does indeed make it to the JS being called. Very handy & slick. +1
– Carl Heinrich Hancke
Sep 26 '12 at 12:46
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How to prevent ajax requests to follow redirects using jQuery
...t) redirection is the part of XMLHttpRequest specification (see here especially the words "... transparently follow the redirect ..."). The standard mention only that the user agent (the web browser) can prevent or notify of certain kinds of automatic redirections, but it's not a part of XMLHttpRequ...
What to do with branch after merge
...he merge, it's safe to delete the branch:
git branch -d branch1
Additionally, git will warn you (and refuse to delete the branch) if it thinks you didn't fully merge it yet. If you forcefully delete a branch (with git branch -D) which is not completely merged yet, you have to do some tricks to ge...
Difference between window.location.href, window.location.replace and window.location.assign
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@Mitya IMHO assign() is better, calling a function for a side effect is more readable. Also you can easily mock it for testing.
– Mohamed Ramrami
Sep 14 at 15:08
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Read properties file outside JAR file
I have a JAR file where all my code is archived for running. I have to access a properties file which need to be changed/edited before each run. I want to keep the properties file in the same directory where the JAR file is. Is there anyway to tell Java to pick up the properties file from that direc...