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Play/pause HTML 5 video using JQuery
...y equivalent -- if you wanted to do this to fit in with an existing jQuery selection -- would be $('#videoId').get(0).play(). (get gets the native DOM element from the jQuery selection.)
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Where does PostgreSQL store the database?
...e tablespaces, which might not be in that data directory, use this query.
SELECT * FROM pg_tablespace;
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Rails: fields_for with index?
...g.label :gallery_sets_id, "Position #{g.options[:index]}" %>
<%= g.select :gallery_sets_id, @posts.collect { |p| [p.title, p.id] } %>
<%# g.options[:index] += 1 %>
<% end %>
or
<%= f.fields_for :blog_posts do |g| %>
<%= g.label :gallery_sets_id, "Position #{g...
“R cannot be resolved to a variable”? [duplicate]
...test build tools, your project target is set to the earlier one by import. Selecting project build to recent android version availble on you dev env will solve the issue. Ex: For me, by import project build target was being set to Android 4.4.2. This was giving the error. I changed it to Android 5.0...
Xcode: failed to get the task for process
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Make sure that the correct target is selected, and that you aren't adjusting code sign settings for the test/other target.
– Vincil Bishop
Jan 12 '15 at 16:41
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Read Excel File in Python
...ues for a given column
values = df['Arm_id'].values
#get a data frame with selected columns
FORMAT = ['Arm_id', 'DSPName', 'Pincode']
df_selected = df[FORMAT]
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Parallel.ForEach() vs. foreach(IEnumerable.AsParallel())
...the AsParallel() call, like:
var fibonacciNumbers = numbers.AsParallel().Select(n => ComputeFibonacci(n));
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Deleting all records in a database table
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Prefer select whenever you need to use an if expression inside a block, this way you avoid having to chain the compact method to remove nil elements.
– Sebastian Palma
Jan 18 '18 at 17:18
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How do you access a website running on localhost from iPhone browser
...)
Go to the "Info" tab
Click on the drop down menu that says "Wi-Fi" and select "iPhone USB" as shown in the photo.
You'll find an IP address like "xxx.xxx.xx.xx" or similar. Open Safari browser on your iPhone and enter IP_address:port_number
Example: 169.254.72.86:3000
[NOTE: If the IP addr...
TFS: Restore deleted folders and items
...ools | Options | Source Control | Visual Studio Team Foundation Server and select Show Deleted Items...
Then in source control explorer you'll see the items greyed out. You can right click on them and Undelete. (This option will only be available if they, after the undelete, will be included in you...