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Generate random string/characters in JavaScript
I want a 5 character string composed of characters picked randomly from the set [a-zA-Z0-9] .
77 Answers
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Uses for Optional
Having been using Java 8 now for 6+ months or so, I'm pretty happy with the new API changes. One area I'm still not confident in is when to use Optional . I seem to swing between wanting to use it everywhere something may be null , and nowhere at all.
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How do I get the currently displayed fragment?
I am playing with fragments in Android.
50 Answers
50
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Height of status bar in Android [duplicate]
What's the height of the status bar in Android? Is it always the same?
23 Answers
23
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How to change the status bar color in Android?
First of all it's not a duplicate as in How to change the background color of android status bar
19 Answers
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jQuery.click() vs onClick
I have a huge jQuery application, and I'm using the below two methods for click events.
17 Answers
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How do I clear stuck/stale Resque workers?
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None of these solutions worked for me, I would still see this in redis-web:
0 out of 10 Workers Working
Finally, this worked for me to clear all the workers:
Resque.workers.each {|w| w.unregister_worker}
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Difference between JSONObject and JSONArray
After having a short look at Google I found this link that describes the difference, yet from a syntax point of view.
8 A...
Is it possible to reference one CSS rule within another?
For example if I have the following HTML:
7 Answers
7
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How can I see the SQL that will be generated by a given ActiveRecord query in Ruby on Rails
...that a given ActiveRecord Query will generate. I recognize I can get this information from the log after the query has been issued, but I'm wondering if there is a method that can be called on and ActiveRecord Query.
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