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base64 encoded images in email signatures
... to include some images (company logo's etc) in email signatures. I've had all sorts of issues using the embedded images produced by the email system in question (they get sent as attachments generally) and as linked images (requiring permission to display them in the email received).
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Tomcat startup logs - SEVERE: Error filterStart how to get a stack trace?
...mm_dd.log OR localhost.yyyy-mm-dd.log logs that Tomcat creates, these typically store that type of info. I wouldn't expect the full stacktrace to be dumped to standard out.
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Clear android application user data
... } catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (isr != null)
isr.close();
} catch (IOException e) {
e.printStackTrace();
}
mCountDownLatch.countDown();
...
How to escape indicator characters (i.e. : or - ) in YAML
...w.example-site.com/"
To clarify, I meant “quote the value” and originally thought the entire thing was the value. If http://www.example-site.com/ is the value, just quote it like so:
url: "http://www.example-site.com/"
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Origin is not allowed by Access-Control-Allow-Origin
...rstand the underlying security issue. In my case, 2 servers are running locally, and like to enable cross domain requests during testing.
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Designer Added then removed by Visual Studio on load/unload
...ed in StoredImageControl.cs . Anyone know how to shut this off as it is really messing up my revision control.
6 Answers...
Docker can't connect to docker daemon
...
Linux
The Post-installation steps for Linux documentation reveals the following steps:
Create the docker group.
sudo groupadd docker
Add the user to the docker group.
sudo usermod -aG docker $(whoami)
Log out and log back in to ensure docker ...
How To Test if Type is Primitive
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This is great, I had to manually add Guid for my own purposes (as a primitive in my definition).
– Erik Philips
Jul 27 '12 at 22:54
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Fast way to discover the row count of a table in PostgreSQL
...of rows due to the nature of MVCC. There is a way to speed this up dramatically if the count does not have to be exact like it seems to be in your case.
Instead of getting the exact count (slow with big tables):
SELECT count(*) AS exact_count FROM myschema.mytable;
You get a close estimate like ...
How to dynamically create generic C# object using reflection? [duplicate]
...create the object, just for the sake or creating it. You probably want to call some method on your newly created instance.
You'll then need something like an interface :
public interface ITask
{
void Process(object o);
}
public class Task<T> : ITask
{
void ITask.Process(object o)
...