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Ruby: extend self
... will be:
module Rake
include Test::Unit::Assertions
def run_tests # etc.
end
end
Rake.extend(Rake)
This can be used to define self contained modules with private methods.
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impro...
How do I vertically center text with CSS? [duplicate]
...o either know the height of the element or only works on single-line text, etc.
So, to do this we write:
.element {
position: relative;
top: 50%;
transform: translateY(-50%);
}
That’s all you need. It is a similar technique to the absolute-position method, but with the upside that...
Is the pImpl idiom really used in practice?
... use it just because "it's better OO since it really hides implementation" etc. Quoting the C++ FAQ:
encapsulation is for code, not people (source)
Just to give you an example of open source software where it is used and why: OpenThreads, the threading library used by the OpenSceneGraph. The m...
Should I use @EJB or @Inject
...r a remote EJB, we can't declare metadata like qualifiers,
@Alternative, etc, on the bean class, since the client simply isn't
going to have access to that metadata. Furthermore, some additional
metadata must be specified that we don't need for the local case
(global JNDI name of whatever). ...
Why isn't textarea an input[type=“textarea”]?
...fined as containing CDATA, you still need to use entities for <, &, etc. It is just so it can handle whitespace.
– Quentin
Apr 12 '11 at 15:04
...
How to get Url Hash (#) from server side
...rm other actions.
We used jQuery to simplify the selecting of the field, etc ... all in all it ends up being a few jQuery calls, one to save the value, and another to restore it.
Before submit:
$("form").submit(function() {
$("input", "#urlhash").val(window.location.hash);
});
On page load:
...
Best practice for storing and protecting private API keys in applications [closed]
...are hacked, on what scale will any successful hackers distribute the keys, etc. Small pieces of information like keys are more difficult to protect than entire applications. Intrinsically, nothing on the client-side is unbreakable, but you can certainly raise the bar.
(I am the developer of ProGuar...
Android onCreate or onStartCommand for starting service
... this method that you need to do only once (ie: initialize some variables, etc.). onCreate() will only ever be called once per instantiated object.
You only need to implement onCreate() if you actually want/need to initialize something only once.
onStartCommand() is called every time a client star...
How to make a HTML Page in A4 paper size page(s)?
...them to be. */
}
The article dives into things like setting page-breaks, etc. so you might want to read that completely.
In your case, the trick is to create the print CSS first. Most modern browsers (>2005) support zooming and will already be able to display a website based on the print CSS. ...
Do any JVM's JIT compilers generate code that uses vectorized floating point instructions?
...ust how the algorithm is, yes I've run Proguard to optimize the byte code, etc.
8 Answers
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