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How to show particular image as thumbnail while implementing share on Facebook?
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From Facebook's spec, use a code like this:
<meta property="og:image" content="http://siim.lepisk.com/wp-content/uploads/2011/01/siim-blog-fb.png" />
Source: Facebook Share
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Ways to eliminate switch in code [closed]
...rivate Map<Integer, Command> commandMap; // injected in, or obtained from a factory
public void handleRequest(int action) {
Command command = commandMap.get(action);
command.execute();
}
}
If your (pseudo) code looks like:
class House {
private int state;
pu...
Rspec doesn't see my model Class. uninitialized constant error
... for tests that are going to be testing Rails capabilities should be moved from spec_helper.rb into rails_helper.rb. Also, be sure to read the comments in rails_helper.rb that mention how rspec-rails can infer_spec_type_from_file_location, which might make you relocate your spec tests into different...
Iterate through a C++ Vector using a 'for' loop
...ring std::for_each() over the for loop itself
Later changing the container from std::vector to other one (e.g.
map, list) will also demand the change of the looping mechanism,
because not every container support size() style of looping
C++11 provides a good facility to move through the containers....
git: diff between file in local repo and origin
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To view the differences going from the remote file to the local file:
git diff remotename/branchname:remote/path/file1.txt local/path/file1.txt
To view the differences in the other direction:
git diff HEAD:local/path/file1.txt remotename/branchname:re...
LINQ: Not Any vs All Don't
... as "all where it is true that". E.g. "where none of the accepted projects from our company?" will always have the same answer as "where all of the accepted projects from other companies?"...
– Jon Hanna
Jan 27 '12 at 9:59
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if/else in a list comprehension
...er the for…in is part of list comprehensions and used to filter elements from the source iterable.
Conditional expressions can be used in all kinds of situations where you want to choose between two expression values based on some condition. This does the same as the ternary operator ?: that ex...
How do I echo and send console output to a file in a bat script?
...badly - all subsequent stderr output was captured to errors.txt (that is - from other commands too!).
– Tomasz Gandor
Sep 13 '16 at 23:36
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What does the question mark in Java generics' type parameter mean?
This is a small snippet of code taken from some of the examples that accompany the Stanford Parser. I've been developing in Java for about 4 years, but have never had a very strong understanding of what this style of code is supposed to indicate.
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Is there any standard for JSON API response format?
Do standards or best practices exist for structuring JSON responses from an API? Obviously, every application's data is different, so that much I'm not concerned with, but rather the "response boilerplate", if you will. An example of what I mean:
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