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In git, is there a way to show untracked stashed files without applying the stash?
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Untracked files are stored in the third parent of a stash commit. (This isn't actually documented, but is pretty obvious from The commit which introduced the -u feature, 787513..., and the way the rest of the documentation for git-stash phrases th...
How to make an ng-click event conditional?
...f link should be disabled.
But other problem is that ngDisabled does not work on anything except form controls, so you can't use it with <a>, but you can use it with <button> and style it as link.
Another way is to use lazy evaluation of expressions like isDisabled || action() so actio...
What is the difference between Java RMI and RPC?
...mantics, on the other side, RMI is a Java based technology and it's object oriented.
With RPC you can just call remote functions exported into a server, in RMI you can have references to remote objects and invoke their methods, and also pass and return more remote object references that can be dist...
What is 'Currying'?
...nctions in several articles and blogs but I can't find a good explanation (or at least one that makes sense!)
18 Answers
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How to use concerns in Rails 4
The default Rails 4 project generator now creates the directory "concerns" under controllers and models. I have found some explanations about how to use routing concerns, but nothing about controllers or models.
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warning this call is not awaited, execution of the current method continues
...nc Task<string> GetNameAsync()
{
string firstname = await PromptForStringAsync("Enter your first name: ");
string lastname = await PromptForStringAsync("Enter your last name: ");
return firstname + lastname;
}
And use it as follows:
public static void DoStuff()
{
Task<str...
How to split a string in shell and get the last field
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You can use string operators:
$ foo=1:2:3:4:5
$ echo ${foo##*:}
5
This trims everything from the front until a ':', greedily.
${foo <-- from variable foo
## <-- greedy front trim
* <-- matches anything
: <-- until the l...
Java exception not caught?
I have a small theoretical problem with try-catch constructions.
6 Answers
6
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What does {0} mean when initializing an object?
...aggregate from section 8.5.1 of the ISO spec:
An aggregate is an array or a class with no user-declared constructors, no private or protected non-static data members, no base classes, and no virtual functions.
Now, using {0} to initialize an aggregate like this is basically a trick to 0 the en...
Java system properties and environment variables
...set through Java) and system properties are passed as command line options or set via setProperty().
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