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How does a Java HashMap handle different objects with the same hash code?
...ng bucket, and then it will compare the key that you gave with the keys of all pairs in the bucket, by comparing them with equals().
Now you can see how this is very efficient for looking up key-value pairs in a map: by the hash code of the key the hashmap immediately knows in which bucket to look,...
How to install a previous exact version of a NPM package?
I used nvm to download node v0.4.10 and installed npm to work with that version of node.
10 Answers
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an htop-like tool to display disk activity in linux [closed]
... would report the disk IO activity. Something similar to htop would be really cool. Has someone heard of something like that?
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Select text on input focus
...ndency.
Update2: Restrict as attribute.
Update3: Works in mobile Safari. Allows selecting part of the text (requires IE>8).
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Compare two MySQL databases [closed]
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If you're working with small databases I've found running mysqldump on both databases with the --skip-comments and --skip-extended-insert options to generate SQL scripts, then running diff on the SQL scripts works pretty well.
By skipping comments y...
What do the numbers in a version typically represent (i.e. v1.9.0.1)?
...t assigning versions to the different builds of my software, but I'm not really sure how it should be structured. My software has five distinct components.
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Number of visitors on a specific page
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Go to Behavior > Site Content > All Pages and put your URI into the search box.
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In Ruby, is there an Array method that combines 'select' and 'map'?
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I usually use map and compact together along with my selection criteria as a postfix if. compact gets rid of the nils.
jruby-1.5.0 > [1,1,1,2,3,4].map{|n| n*3 if n==1}
=> [3, 3, 3, nil, nil, nil]
jruby-1.5.0 > [1...
How to use support FileProvider for sharing content to other apps?
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Using FileProvider from support library you have to manually grant and revoke permissions(at runtime) for other apps to read specific Uri. Use Context.grantUriPermission and Context.revokeUriPermission methods.
For example:
//grant permision for app with package "packegeName", ...
SQL variable to hold list of integers
...an error saying the subquery returned more than one result and that is not allowed. Is there anyway to create a variable that will store an array if IDs from a subquery?
– Rafael Moreira
Jan 28 '16 at 15:24
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