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How can I set the default value for an HTML element?
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@MindJuice What I wrote is valid polyglot HTML/XML. Using <option selected> is okay for a browser, but may cause the document to be rejected by other parsers. I find it handy to be able to use XPath/XSLT on web documents occasiona...
The Role Manager feature has not been enabled
...If you got here because you're using the new ASP.NET Identity UserManager, what you're actually looking for is the RoleManager:
var roleManager = new RoleManager<IdentityRole>(new RoleStore<IdentityRole>(new ApplicationDbContext()));
roleManager will give you access to see if the role...
How to implement the --verbose or -v option into a script?
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What is the comma used for at the end of the print arg, line?
– SamK
Aug 7 '12 at 8:12
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How to remove old Docker containers
...s, you can string Docker commands together with other Unix commands to get what you need. Here is an example on how to clean up old containers that are weeks old:
$ docker ps --filter "status=exited" | grep 'weeks ago' | awk '{print $1}' | xargs --no-run-if-empty docker rm
To give credit, where i...
How to open existing project in Eclipse
...stion "how do I open an existing project" has to be asked. This answer was what I needed, and a long, long way from anything like "Open existing project," eh? Thank you.
– fortboise
Feb 1 '14 at 21:33
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How do I detect unsigned integer multiply overflow?
...verflow. These also work on types smaller than int.
The builtins lower to what's best for the platform. On x86, they check the carry, overflow and sign flags.
Visual Studio's cl.exe doesn't have direct equivalents. For unsigned additions and subtractions, including <intrin.h> will allow you ...
How to change size of split screen emacs windows?
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Awesome, precisely what I'd wanted! Thank you so much!
– Steve
Feb 17 '11 at 6:04
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Schema for a multilanguage database
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What do you think about having a related translation table for each translatable table?
CREATE TABLE T_PRODUCT (pr_id int, PRICE NUMBER(18, 2))
CREATE TABLE T_PRODUCT_tr (pr_id INT FK, languagecode varchar, pr_name text, pr_...
Drop shadow for PNG image in CSS
...d you purposefully set software development back to the dark ages with IE? What an abomination.
– RyanNerd
Aug 25 '16 at 5:38
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How to add a button to a PreferenceScreen?
...PreferenceClick(Preference preference) {
//code for what you want it to do
return true;
}
});
This will appear like a normal Preference, with just a title and a summary, so it will look like it belongs.
Edit: I changed to u...