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Automatically expanding an R factor into a collection of 1/0 indicator variables for every factor le
... 0 1
# 3 bar 3 1 0
# 4 bar 4 1 0
# At this point, you can select out the columns that you want.
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Can I start the iPhone simulator without “Build and Run”?
...mulator from the Xcode, and then on the dock, Ctrl + Click on the icon and select Keep in Dock
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Convert string to title case with JavaScript
...;br />Output:
<br /><textarea name="output" readonly onclick="select(this)"></textarea>
</form>
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How to update npm
...all n module of npm:
sudo npm install -g n
3) Begin the installation by selecting the version of node to install: stable or latest, we will use stable here:
sudo n stable
4) Check the version of node:
node -v
5) Check the version of npm:
npm -v
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How to break out from a ruby block?
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def first_frog
detect {|i| i =~ /frog/ }
end
def last_frog
select {|i| i =~ /frog/ }.last
end
end
p ["dog", "cat", "godzilla", "dogfrog", "woot", "catfrog"].first_frog
# => "dogfrog"
p ["hats", "coats"].first_frog
# => nil
p ["houses", "frogcars", "bottles", "superfrogs"].la...
Force DOM redraw/refresh on Chrome/Mac
... leaving elements that where in a div set to display none, visible and not select-able. Resizing the window made them disappear. Adding this transform caused the "artifacts" to disappear as expected.
– Jeff Mattson
Sep 9 '19 at 17:57
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Xcode - But… Where are our archives?
... (menu Window > Organizer)
Click on the Archives icon in the top middle
Select the desired archive by app name and date
Click Show in Finder in the context menu
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MySQL ON DUPLICATE KEY - last insert id?
...LAST_INSERT_ID(3000)) ON DUPLICATE KEY UPDATE id = LAST_INSERT_ID(id + 1);
SELECT LAST_INSERT_ID();
If the prefix exists, it will increment it and populate last_insert_id.
If the prefix does not exist, it will insert the prefix with the value 3000 and populate last_insert_id with 3000.
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How to force uninstallation of windows service
... and services window if opened, then start cmd again by right clicking and selecting run as administrator. If sc delete sericeName does not work or anything does not work.
http://weblogs.asp.net/avnerk/archive/2007/09/05/windows-services-services-msc-and-the-quot-this-service-is-marked-for-deletion...
Could not load file or assembly System.Web.Http.WebHost after published to Azure web site
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For me it started working after selecting "Remove additional files at destination" in File publish options under settings on the publish dialog.
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