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How can I combine two HashMap objects containing the same types?
... don't have duplicate keys, or you want values in map2 to overwrite values from map1 for duplicate keys, you can just write
map3 = new HashMap<>(map1);
map3.putAll(map2);
If you need more control over how values are combined, you can use Map.merge, added in Java 8, which uses a user-provide...
Basic example of using .ajax() with JSONP?
...gs, the ones you usually use to load JS files, in order for JS to get data from another domain. Sounds weird?
Thing is - turns out script tags can be used in a fashion similar to XMLHttpRequest! Check this out:
script = document.createElement("script");
script.type = "text/javascript";
script.src ...
avoid page break inside row of table
...ide: avoid !important;
margin: 4px 0 4px 0; /* to keep the page break from cutting too close to the text in the div */
}
</style>
Even though Chrome supposedly does not recognize the 'page-break-inside: avoid;' property, this seems to keep the row content from being split in half by a...
Rails 3.1: Engine vs. Mountable App
...ull Engine
With a full engine, the parent application inherits the routes from the engine. It is not necessary to specify anything in parent_app/config/routes.rb. Specifying the gem in Gemfile is enough for the parent app to inherit the models, routes etc. The engine routes are specified as:
#...
What is an MvcHtmlString and when should I use it?
...n MvcHtmlString.Create(result)
End Function
I could have returned String from this method, but if I had the following would break:
<%: Html.CssBlock(Url.Content("~/sytles/mysite.css")) %>
With MvcHtmlString, using either <%: ... %> or <%= ... %> will both work correctly.
...
Set active tab style with AngularJS
...xample, you may want a 'home' nav highlighted when landing on the homepage from an external link.
– thathurtabit
Oct 14 '13 at 11:06
...
Create array of regex matches
...le("your regex here")
.matcher("string to search from here")
.results()
.map(MatchResult::group)
.toArray(String[]::new);
// or .collect(Collectors.toList())
...
How do you see recent SVN log entries?
...st everything in descending order:
svn log -r HEAD:1
To list everything from the thirteenth to the base of the currently checked-out revision in ascending order:
svn log -r 13:BASE
To get everything between the given dates:
svn log -r {2011-02-02}:{2011-02-03}
You can combine all the above ...
go to character in vim
I'm getting an error message from a python script at position 21490 .
2 Answers
2
...
How do you mock out the file system in C# for unit testing?
... probably going to have to build a contract to define what things you need from the file system and then write a wrapper around those functionalities. At that point you'd be able to mock or stub out the implementation.
Example:
interface IFileWrapper { bool Exists(String filePath); }
class FileW...