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getting type T from IEnumerable
...ll for all cases that are of interest to me (IEnumerable, derived classes, etc). Thought I should share here in case anyone needs it also:
Type GetItemType(object someCollection)
{
var type = someCollection.GetType();
var ienum = type.GetInterface(typeof(IEnumerable<>).Name);
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live output from subprocess command
...output about what iteration its at, what time, what the next time-step is, etc.
16 Answers
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How to check if std::map contains a key without doing insert?
...'s when coders succumb to the trap of paying costs in readability/dev time/etc, all for unmeasured "performance gains" that the premature optimization rhetoric becomes the right advice to give.
– VoidStar
Feb 24 '14 at 10:52
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event Action vs event EventHandler
...w allows for customized accessibility to subscription based on user roles, etc. Can you do that with lambdas? (Actually you can by custom compiling expression trees, but that's beyond the scope of this response).
To address a couple of points from some of the responses here:
There really is no di...
Java: convert List to a String
...ll is 25, Joe is 30, Betty is 35
which is extremely useful for debugging etc.
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process.env.NODE_ENV is undefined
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For people using *nix (Linux, OS X, etc.), there's no reason to do it via a second export command, you can chain it as part of the invoking command:
NODE_ENV=development node server.js
Easier, no? :)
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Getting multiple keys of specified value of a generic Dictionary?
...ithout very careful thought - but it could certainly implement IEnumerable etc. In fact, it could implement IDictionary<TFirst, TSecond> and IDictionary<TSecond, TFirst>.
– Jon Skeet
Nov 5 '08 at 19:47
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How can I use getSystemService in a non-activity class (LocationManager)?
...savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
fyl lfyl = new fyl(this); //Here the context is passing
Location location = lfyl.getLocation();
String latLongString = lfyl.updateWithNewLocation(location);
Te...
Mac OSX Lion DNS lookup order [closed]
After upgrading to Mac OSX Lion I figured out that /etc/hosts is not looked up in first place for name resolution anymore. This leads to some side effects like:
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How to overload functions in javascript?
...tion(first,second,third){ /* what we will do if 3 args passed? */});
//... etc :)
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