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Is it good style to explicitly return in Ruby?
...r side-effects. So, methods in which the return value is important, get an extra return keyword to draw attention to the return value.
I use the same distinction when calling methods: functional methods get parentheses, procedural methods don't.
And last but not least, I also use that distinction ...
Jar Mismatch Found 2 versions of android-support-v4.jar in the dependency list
...p #2: Pick one of those two versions of the JAR, or pick the one from the "extras" area of your SDK installation.
Step #3: Put the right JAR in App Library.
Step #4: Delete the one from App Free, since it will pick up that JAR from App Library.
You are welcome to instead have the same actual JAR ...
How to get the value from the GET parameters?
...
JavaScript itself has nothing built in for handling query string parameters.
Code running in a (modern) browser you can use the URL object (which is part of the APIs provided by browsers to JS):
var url_string = "http://www.example.com/t.html?a=1&b=3&c=m2-m3-m4-m5"; /...
What is a plain English explanation of “Big O” notation?
...up them by matching color and pattern. We then exploit this to avoid doing extra work later (comparing puzzle pieces of like color to each other, not to every other single puzzle piece).
The moral of the story: a data structure lets us speed up operations. Even more, advanced data structures can l...
How to hide reference counts in VS2013?
...f I wanted to know what references the member -- I too like not having any extra information crammed into my code, like extra white-space.
In short, uncheck Codelens...
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Why would I want stage before committing in Git?
...then you do your work, then you run git add, and then git commit. Why the extra git add step?
The secret here is what Git calls, variously, the index, or the staging area, or sometimes—rarely these days—the cache. These are all names for the same thing.
Edit: I think I may be confusing the te...
Is there a wikipedia API just for retrieve content summary?
...:
https://en.wikipedia.org/w/api.php?format=json&action=query&prop=extracts&exintro&explaintext&redirects=1&titles=Stack%20Overflow
or use pageids
https://en.wikipedia.org/w/api.php?format=json&action=query&prop=extracts&exintro&explaintext&redirects=1&...
How to ssh to vagrant without actually running “vagrant ssh”?
...s the simplified way which also works for automated solutions where adding extra ssh parameter -F is not straightforward
– laimison
Feb 2 '19 at 16:33
3
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How do I sort an observable collection?
...;Person>,IEquatable<Person>
{
public string Name { get; set; }
public int Age { get; set; }
public int CompareTo(Person other)
{
if (this.Age == other.Age) return 0;
ret...
How to set commands output as a variable in a batch file
...SET var=%%F
)
ECHO %var%
I always use the USEBACKQ so that if you have a string to insert or a long file name, you can use your double quotes without screwing up the command.
Now if your output will contain multiple lines, you can do this
SETLOCAL ENABLEDELAYEDEXPANSION
SET count=1
FOR /F "token...