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Meaning of …interface{} (dot dot dot interface)
...r type prefixed with three dots (...) is called a variadic parameter. That means you can pass any number or arguments into that parameter (just like with fmt.Printf()). The function will receive the list of arguments for the parameter as a slice of the type declared for the parameter ([]interface{} ...
How to remove focus without setting focus to another control?
...utton, but it also then prevents ANY button from gaining focus. This would mean my non-touch users wouldn't be able to click a button. Is it doing the same for you?
– InteXX
Jun 2 '11 at 2:40
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Custom circle button
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By drawable folder you mean to open a folder named 'drawable', or to save it in drawable-mdpi, hdpi, etc...?
– Jjang
Nov 12 '15 at 10:17
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Including an anchor tag in an ASP.NET MVC Html.ActionLink
...ll, when you can simply state it explicitly. Anyone can see what the above means whereby Brad's response is convoluted and requires you to dig into intellisense. Too many parameters is a recognised anti pattern..c2.com/cgi/wiki?TooManyParameters
– Ed Blackburn
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How to check if there exists a process with a given pid in Python?
...; kill() can also raise EPERM (access denied) in which case that obviously means a process exists. This is supposed to work:
(edited as per Jason R. Coombs comments)
import errno
import os
def pid_exists(pid):
"""Check whether pid exists in the current process table.
UNIX only.
"""
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When to add what indexes in a table in Rails
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No, because if you do this, only one user can be in one category, but the meaning of category is that you can put more many user into one category. In your User model you have something like this belongs_to :category and in your Category model something like has_many :users. If you have a has_many ...
Specify an SSH key for git push for a given domain
...s based on your current working directory, ssh options, and so on... which means you can easily have a work/ directory and private/ directory that transparently end up using different keys and identities with ssh.
share
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What's the difference between session.persist() and session.save() in Hibernate?
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do you mean the persist() method will make the entity in detached state and the save() in attached state?
– rekinyz
Feb 11 '15 at 14:32
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How to clear Facebook Sharer cache?
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This answer is intended for developers.
Clearing the cache means that new shares of this webpage will show the new content which is provided in the OG tags. But only if the URL that you are working on has less than 50 interactions (likes + shares). It will also not affect old links t...
What does !important mean in CSS?
What does !important mean in CSS?
5 Answers
5
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