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Table with fixed header and fixed column on pure css
... to create a html table (or something similar looking) with a fixed header and a fixed first column.
20 Answers
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How do I delete multiple rows in Entity Framework (without foreach)
...ng Entity Framework. There isn't a foreign key / parent object so I can't handle this with OnDeleteCascade.
22 Answers
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Get nested JSON object with GSON using retrofit
I'm consuming an API from my android app, and all the JSON responses are like this:
12 Answers
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How to vertically align an image inside a div
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The only (and the best cross-browser) way as I know is to use an inline-block helper with height: 100% and vertical-align: middle on both elements.
So there is a solution: http://jsfiddle.net/kizu/4RPFa/4570/
.frame {
height...
What's the best way to send a signal to all members of a process group?
...se if the tree is the result of forking from a server start or a shell command line.) You can discover process groups using GNU ps as follows:
ps x -o "%p %r %y %x %c "
If it is a process group you want to kill, just use the kill(1) command but instead of giving it a process number, give it th...
ASP.NET Identity DbContext confusion
...ay you can have the context be aware of any relations between your classes and the IdentityUser and Roles of the IdentityDbContext.
There is very little overhead in the IdentityDbContext, it is basically a regular DbContext with two DbSets. One for the users and one for the roles.
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How do I generate a stream from a string?
...not being disposed. StreamWriter is just a wrapper around the base stream, and doesn't use any resources that need to be disposed. The Dispose method will close the underlying Stream that StreamWriter is writing to. In this case that is the MemoryStream we want to return.
In .NET 4.5 there is now a...
PostgreSQL database default location on Linux
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The "directory where postgresql will keep all databases" (and configuration) is called "data directory" and corresponds to what PostgreSQL calls (a little confusingly) a "database cluster", which is not related to distributed computing, it just means a group of databases and related...
REST APIs: custom HTTP headers vs URL parameters
...terize access to the resource. This especially comes into play with posts and searches: /orders/find?q=blahblah&sort=foo. There's a fine line between parameters and sub-resources: /orders/view/client/23/active versus /orders/view/client/23?show=active. I recommend the sub-resource style and...
Iterating through a Collection, avoiding ConcurrentModificationException when removing objects in a
...= new ArrayList<>();
// This is a clever way to create the iterator and call iterator.hasNext() like
// you would do in a while-loop. It would be the same as doing:
// Iterator<String> iterator = list.iterator();
// while (iterator.hasNext()) {
for (Iterator<String> iterat...