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How can I set a website image that will show as preview on Facebook?
...L declaration
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:fb="http://ogp.me/ns/fb#">
2. Inside your <head></head> use the following meta tag to define the image you want to use
<meta property="og:image" content="fully_qualified_image_url_here" />
Read more ...
How can I get Docker Linux container information from within the container itself?
...tainer similar way as outlined in banyan answer:
GET /containers/4abbef615af7/json HTTP/1.1
Response:
HTTP/1.1 200 OK
Content-Type: application/json
{
"Id": "4abbef615af7...... ",
"Created": "2013.....",
...
}
Alternatively, you can transfer docker id to the contai...
How to repair a serialized string which has been corrupted by an incorrect byte count length?
...
BabaBaba
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...
undefined reference to `WinMain@16'
... oɔɯǝɹ
6,58066 gold badges5252 silver badges6464 bronze badges
answered Mar 10 '11 at 13:27
Cheers and hth. - AlfCheers and hth. - Alf
...
Ruby arrays: %w vs %W
...nclosing characters can be whatever you want. For example, %w&readable af&
– Dex
Jun 29 '19 at 7:03
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Applicatives compose, monads don't
...ffy :: Applicative a => a Bool -> a x -> a x -> a x
iffy ab at af = pure cond <*> ab <*> at <*> af where
cond b t f = if b then t else f
which uses the value of ab to choose between the values of two computations at and af, having carried out both, perhaps to tragic...
Maximum length for MySQL type text
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87
Type | Approx. Length | Exact Max. Length Allowed
-----------------------------------...
Why does AngularJS include an empty option in select?
...r type in newer versions of Angular. In older Angular ng-init="myModelName=600" would map to an option with value "600" i.e. <option value="600">First</option> but in Angular 1.5 it won't find this as it seems to be expecting to find an option with value 600 i.e <option value=600>F...
rsync: difference between --size-only and --ignore-times
...\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7...
How to permanently add a private key with ssh-add on Ubuntu? [closed]
...e as per your requirements.
For this to work the file needs to have chmod 600. You can use the command chmod 600 ~/.ssh/config.
If you want all users on the computer to use the key put these lines into /etc/ssh/ssh_config and the key in a folder accessible to all.
Additionally if you want to set ...