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Creation timestamp and last update timestamp with Hibernate and MySQL
...ava.util.Date;
import javax.persistence.Column;
import javax.persistence.MappedSuperclass;
import javax.persistence.PrePersist;
import javax.persistence.PreUpdate;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
@MappedSuperclass
public abstract class AbstractTimestampEnt...
What is the standard naming convention for html/css ids and classes?
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I think that according as your app get bigger your ids starts to be long and complex, then in that moment the dashes doesn't look good. I'm also using Sublime and Twitter Bootstrap, and I'm agreement in use dashes for classes like Bootstrap does. But the ...
How to save a PNG image server-side, from a base64 data string
...Because of this PHP has a native way to handle such data - "data: stream wrapper" (http://php.net/manual/en/wrappers.data.php)
So you can easily manipulate your data with PHP streams:
$data = 'data:image/gif;base64,R0lGODlhEAAOALMAAOazToeHh0tLS/7LZv/0jvb29t/f3//Ub//ge8WSLf/rhf/3kdbW1mxsbP//mf///yH...
What do the terms “CPU bound” and “I/O bound” mean?
... --/
so the memory bus quickly becomes the bottleneck, not the CPU.
This happens because adding two numbers takes a single CPU cycle, memory reads take about 100 CPU cycles in 2016 hardware.
So the CPU work done per byte of input data is too small, and we call this an IO-bound process.
The only way...
Are custom elements valid HTML5?
...g with Templates, HTML Imports, and Shadow DOM.
Web Components enable Web application authors to define widgets with a
level of visual richness and interactivity not possible with CSS
alone, and ease of composition and reuse not possible with script
libraries today.
However, from this excellent wa...
What's invokedynamic and how do I use it?
... as syntax sugar for reflective method calls. It can have very interesting applications. see http://www.infoq.com/presentations/Statically-Dynamic-Typing-Neal-Gafter
Neal Gafter, who's responsible for C#'s dynamic type, just defected from SUN to MS. So it's not unreasonable to think that the same t...
How to strip HTML tags from string in JavaScript? [duplicate]
...tion has TypeError). Chrome/IE do not crash.
– Ryan Rapp
Jan 24 '13 at 22:20
4
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The definitive guide to form-based website authentication [closed]
...server will be able to read logins as they pass through. This type of wiretapping is done routinely by governments, but in general, we won't address 'owned' wires other than to say this: Just use HTTPS.
In essence, the only practical way to protect against wiretapping/packet sniffing during login is...
When to use EntityManager.find() vs EntityManager.getReference() with JPA
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@Arthur Ronald what happens if there is a Version annotation in the entity called by getReference?
– David Hofmann
Mar 25 '16 at 13:28
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Installing a local module using npm?
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This is the only sane looking approach I've seen so far - why npm has to be so obscure/obtuse w. regards to creating a local package, installing it and then using it, I don't know... link works, (and its great), but the terminology is rather confusing.
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