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How can I position my div at the bottom of its container?
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Initialization of an ArrayList in one line
... it will initialize an immutable List rather than an ArrayList, and furthermore, it's not available yet, if it ever will be.
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When should we use Observer and Observable?
...g is the Observable.
The analogy might not be perfect, because Twitter is more likely to be a Mediator. But it illustrates the point.
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Asynchronously wait for Task to complete with timeout
...Crafting a Task.TimeoutAfter Method" (from MS Parallel Library team) with more info on this sort of thing.
Addition: at the request of a comment on my answer, here is an expanded solution that includes cancellation handling. Note that passing cancellation to the task and the timer means that there...
java.lang.NoClassDefFoundError: Could not initialize class XXX
...o another error, you will need to look for it in the logs or try to log it more appropriately (like force the logging into a new file on the file system)
– John Vint
Aug 9 '16 at 12:08
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Difference between a class and a module
I came from Java, and now I am working more with Ruby.
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Using C# regular expressions to remove HTML tags
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Postgres: SQL to list table foreign keys
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+1, very helpful. To make the query more robust it should probably join on constraint_schema as well, since it's possible for two schemas to have constraints with the same name. Something like: FROM information_schema.table_constraints AS tc JOIN information_s...
What data type to use for hashed password field and what length?
...ing passwords. You should read the answer from Gilles on this thread for a more detailed explanation.
For passwords, use a key-strengthening hash algorithm like Bcrypt or Argon2i. For example, in PHP, use the password_hash() function, which uses Bcrypt by default.
$hash = password_hash("rasmuslerd...
When do you use POST and when do you use GET?
...eting the item. It's far easier to avoid accidents this way.
POST is also more secure than GET, because you aren't sticking information into a URL. And so using GET as the method for an HTML form that collects a password or other sensitive information is not the best idea.
One final note: POST can...