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How does Facebook Sharer select Images and other metadata when sharing my URL?
...rimage.jpg.
Can I update these meta tags with client side code like Javascript or jQuery?
No. Much like search engine crawlers, the Facebook scraper does not execute scripts so whatever meta tags are present when the page is downloaded are the meta tags that are used for image selection.
Adding...
How to read a file into a variable in shell?
...le and not just print out the file.
How can I do this? I have written this script but it isn't quite what I needed:
7 Answe...
Docker - how can I copy a file from an image to a host?
...
I am using boot2docker on MacOS. I can assure you that scripts based on "docker cp" are portable. Because any command is relayed inside boot2docker but then the binary stream is relayed back to the docker command line client running on your mac. So write operations from the docke...
How to create index in Entity Framework 6.2 with code first
...t it seems the index name is sometimes missing after scaffolding in the up script. It only appeared for me when using 4 or more properties in my index. I'm working with EF 6.1.3.
– Mixxiphoid
Jul 11 '15 at 10:14
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Calling C/C++ from Python?
....so -o _code.so code.o code_wrap.o
We can now use the function in Python scripts:
#!/usr/bin/env python
import code
a= [[3,5,7],[8,10,12]]
print a
b = code.average(a)
print "Assignment done"
print a
print b
share
...
Using vagrant to run virtual machines with desktop environment
...o move one step further, and use the capabilities of Vagrant to have the description of the machine in a text file and then be able to "raise" that machine based on that text file. Combined to puppet, this would solve us the problem that everyone have different software versions installed in the VM....
OnChange event handler for radio button (INPUT type=“radio”) doesn't work as one value
...
You're using JavaScript, right? So why not just maintain a variable that stores the last known selected radio button? If you're using a single handler, then you can check for this stored value before you overwrite it with the new value. +1
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How do I delete an Azure storage account containing a leased blob?
...alue "user"
to list all images
To delete ALL YOU IMAGES use the following script:
get-azurevmimage | Where-Object -Property Category -in -Value "user" |
foreach {
echo "remove $($_.ImageName)"
Remove-AzureVMImage –ImageName $($_.ImageName)
}
...
How to change Elasticsearch max memory size
...re referred to some previous distribution.
On Debian 8 modify the service script normally place in /usr/lib/systemd/system/elasticsearch.service, and add Environment=ES_HEAP_SIZE=8G
just below the other "Environment=*" lines.
Now reload the service script with systemctl daemon-reload and restart ...
Portable way to get file size (in bytes) in shell?
...did that on a full hard disk. It was slow enough that I could re-write the script before the first one finished, came here to remember how I did it lol.
– Camilo Martin
Jul 27 '12 at 13:43
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