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Convert a list to a data frame
...ul here if your data is not all of the same type. Passing through a matrix means that all data will be coerced into a common type. I.e. if you have one column of character data and one column of numeric data the numeric data will be coerced to string by matrix() and then both to factor by data.frame...
Why are C# 4 optional parameters defined on interface not enforced on implementing class?
...ension everything" features -- we have extension methods, so what would it mean to have extension events, extension properties, extension constructors, extension interfaces, and so on. Classes that you could "attach" to interfaces and say "these methods are the default implementations of this inter...
How to undo 'git reset'?
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ORIG stands for original, ORIG_HEAD means original HEAD, before the reset
– Sam Gallagher
Mar 13 '19 at 13:17
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How to use SharedPreferences in Android to store, fetch and edit values [closed]
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what -1 means in getInt ??
– amr osama
Jul 17 '14 at 9:51
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moving changed files to another branch for check-in
...rod branch and need to switch to stage branch but stage has changed in the mean-time stash is the only way to make the switch.
– danielson317
Jul 6 '19 at 17:50
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What is the difference between Polymer elements and AngularJS directives?
...components are scoped because of their hidden tree in the shadow dom. That means that their style and behaviour cannot bleed out. Angular is not scoped to that particular directive you create like a polymer web component. An angular directive could possibly conflict with something in your global sco...
Xcode: What is a target and scheme in plain language?
Yeah the title says it :-) What do they mean in plain English language? I really don't understand the explanation on Apple's website and I need to rename my target and I'm afraid that nothing works after that..
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When to use SELECT … FOR UPDATE?
...s, REPEATABLE READ is actually a synonym for SERIALIZABLE. Basically, this means that the transaction does not see changes made after it has started. So in this setup, the last Thread 1 query will return the room as if it has never been deleted (which may or may not be what you wanted). If you don't...
Display clearColor UIViewController over UIViewController
... can anyone provide me the code for pushviewcontroller too (I mean for navigation controller ) .
– Alok
Jul 2 '15 at 13:09
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How do I reference an existing branch from an issue in GitHub?
...commit is part of an unmerged pull request, a link will be shown.
That means referencing a commit from the issue will allow the user to see the branch (by looking at the commit), and even to see a link back to the issue (still by looking at the commit).
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