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Resolve Git merge conflicts in favor of their changes during a pull
... do this, I end up back in the MERGING state. I can then git merge --abort and try again, but each time I end up with a merge occurring. … I know that a rebase was pushed to my upstream though, so perhaps that's causing this?
– Benjohn
Jul 14 '16 at 9:03
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When to use a View instead of a Table?
...ose facts from a certain client.
Views for insertion/updates:
You can handle security issues with views by using such functionality as Oracle's "WITH CHECK OPTION" clause directly in the view
Drawbacks
You lose information about relations (primary keys, foreign keys)
It's not obvious whether...
Gradient borders
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WebKit now (and Chrome 12 at least) supports gradients as border image:
-webkit-border-image: -webkit-gradient(linear, left top, left bottom, from(#00abeb), to(#fff), color-stop(0.5, #fff), color-stop(0.5, #66cc00)) 21 30 30 21 repeat r...
Use Expect in a Bash script to provide a password to an SSH command
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Mixing Bash and Expect is not a good way to achieve the desired effect. I'd try to use only Expect:
#!/usr/bin/expect
eval spawn ssh -oStrictHostKeyChecking=no -oCheckHostIP=no usr@$myhost.example.com
# Use the correct prompt
set prompt...
Unable to run app in Simulator: Xcode beta 6 iOS 8
I am unable to launch my app on simulator using Xcode 6 beta and iPhone 5s simulator.
First I am getting an error message from Simulator
...
Refresh a page using PHP
...an do it with PHP:
header("Refresh:0");
It refreshes your current page, and if you need to redirect it to another page, use following:
header("Refresh:0; url=page2.php");
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Keyboard shortcuts in WPF
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One way is to add your shortcut keys to the commands themselves them as InputGestures. Commands are implemented as RoutedCommands.
This enables the shortcut keys to work even if they're not hooked up to any controls. And since menu items understand keyboard gestures, they'...
Delete the first three rows of a dataframe in pandas
I need to delete the first three rows of a dataframe in pandas.
7 Answers
7
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Can't find the 'libpq-fe.h header when trying to install pg gem
...nx), 11.10 (Oneiric Ocelot), 12.04 (Precise Pangolin), 14.04 (Trusty Tahr) and 18.04 (Bionic Beaver)):
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/usr/include/postgresql/libpq-fe.h
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So try installing libpq-dev or its equivalent for your OS:
For Ubuntu/Debian systems: sudo apt-get install libpq-dev
On Red Hat Linux (RHEL) systems:...
What is the difference between the remap, noremap, nnoremap and vnoremap mapping commands in Vim?
What is the difference between the remap , noremap , nnoremap and vnoremap mapping commands in Vim?
3 Answers
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