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add column to mysql table if it does not exist

My research and experiments haven't yielded an answer yet, so I am hoping for some help. 16 Answers ...
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How do I sort a list of dictionaries by a value of the dictionary?

... my_list = [{'name':'Homer', 'age':39}, {'name':'Bart', 'age':10}] my_list.sort(lambda x,y : cmp(x['name'], y['name'])) my_list will now be what you want. Or better: Since Python 2.4, there's a key argument is both more effi...
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nginx - nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)

... is listening on port 80 and also on port [::]:80. I had the following in my default sites-available file: listen 80; listen [::]:80 default_server; You can fix this by adding ipv6only=on to the [::]:80 like this: listen 80; listen [::]:80 ipv6only=on default_server; For more information, see...
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Align items in a stack panel?

...etc.' I guess the answer is no, and will have to do it the tough way, read my comment for JMD above – Shimmy Weitzhandler Jan 7 '10 at 20:29 ...
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Unable to export Apple production push SSL certificate in .p12 format

I am using Urban airship in my application for push notification. So, I need to download the push SSL certificate from Apple developer portal. After downloading, I added that in keychain access. But no private key was created for the certificate. When I tried to right click and export the certificat...
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how to provide a swap function for my class?

What is the proper way to enable my swap in STL algorithms? 3 Answers 3 ...
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How do I set the UI language in vim?

I saw this on reddit, and it reminded me of one of my vim gripes: It shows the UI in German . Damn you, vim! I want English , but since my OS is set up in German (the standard at our office), I guess vim is actually trying to be helpfull. ...
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How to install trusted CA certificate on Android device?

I have created my own CA certificate and now I want to install it on my Android Froyo device (HTC Desire Z), so that the device trusts my certificate. ...
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Amazon S3 CORS (Cross-Origin Resource Sharing) and Firefox cross-domain font loading

... the config below with a little tweak from examples in the documentation. My fonts are hosted on S3, but fronted by cloudfront. I'm not sure why it works, my guess is probably that the <AllowedMethod> GET and <AllowedHeader> Content-* is needed. If anyone proficient with Amazon S3 COR...
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Restore LogCat window within Android Studio

... I think I still can find logcat in my installation of 0.1.1 Try pressing Alt+6 on Windows or CMD+6 on Mac. share | improve this answer | ...