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Difference between JSP EL, JSF EL and Unified EL [closed]
... It were those ${} things which works in JSTL tags only. It is designed to call Javabean get methods.
Nov 2003: JSP 2.0 was introduced and EL was moved from JSTL 1.0 to JSP 2.0 in javax.servlet.jsp.el package and it became standard EL as part of J2EE 1.4 standard. JSTL 1.1 was shipped without EL. No...
How do I make a request using HTTP basic authentication with PHP curl?
...
CURLOPT_USERPWD basically sends the base64 of the user:password string with http header like below:
Authorization: Basic dXNlcjpwYXNzd29yZA==
So apart from the CURLOPT_USERPWD you can also use the HTTP-Request header option as well like below...
How to implement an abstract class in ruby?
... end
end
subclass.new.foo.should == :overridden
end
end
Basically, you just call abstract_methods with the list of methods that are abstract, and when they get called by an instance of the abstract class, a NotImplementedError exception will be raised.
...
Can iterators be reset in Python?
...ther iterator starts, it is faster
to use list() instead of tee().
Basically, tee is designed for those situation where two (or more) clones of one iterator, while "getting out of sync" with each other, don't do so by much -- rather, they say in the same "vicinity" (a few items behind or ahead o...
How is an overloaded method chosen when a parameter is the literal null value?
...
@JonSkeet: That makes sense. So basically it looks for a method according to the most specific rule and if it not able to decide which is more specific then it would throw a compile-time error.
– zakSyed
Oct 23 '12 at 15:0...
Maven 3 warnings about build.plugins.plugin.version
...
Add a <version> element after the <plugin> <artifactId> in your pom.xml file. Find the following text:
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
Add the version tag to it:
<plugin>
<artifactId>maven-compiler-plugin</art...
Can promises have multiple arguments to onFulfilled?
...owing the spec here and I'm not sure whether it allows onFulfilled to be called with multiple arguments. For example:
9 ...
What is a “cache-friendly” code?
...s for HDD). In comparison, reading data from the (highest level) cache typically takes only a handful of cycles.
In modern computer architectures, the performance bottleneck is leaving the CPU die (e.g. accessing RAM or higher). This will only get worse over time. The increase in processor frequency...
Add and remove multiple classes in jQuery
...refer to all the paragraphs on the page but it is just an example. You can identify a specific item with an ID or another class.
– Andrea_dev
Jun 18 '19 at 13:28
add a comment...
How to avoid the “divide by zero” error in SQL?
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In order to avoid a "Division by zero" error we have programmed it like this:
Select Case when divisor=0 then null
Else dividend / divisor
End ,,,
But here is a much nicer way of doing it:
Select dividend / NULLIF(divisor, 0) ...
Now ...