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What is the best Java email address validation method? [closed]
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Don't roll your own regex-based validator for things covered by RFCs.
– Josh Glover
Aug 7 '14 at 10:16
6
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When annotating a class with @Component, does this mean it is a Spring Bean and Singleton?
... to place this line in applicationContext.xml:
<context:component-scan base-package="com.yourcompany" />
About singletons - spring beans are all in singleton scope by default. The only thing you have to have in mind is that you should not store state in field variables (they should only hol...
How to handle floats and decimal separators with html5 input type number
...mal separator is entirely up to the browser. The browser makes it decision based on the locale of the operating system or browser, or some browsers take hints from the website. I made a browser comparison chart showing how different browsers support handle different localization methods. Safari bein...
How do I get a PHP class constructor to call its parent's parent's constructor?
...wn to go three or four classes deep. In fact, I've started referring to my base class by it's name rather than using parent, that way I'm sure I'm getting the right object, always.
– EvilChookie
Nov 9 '11 at 0:20
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RESTful on Play! framework
...t type in their Accept header. All other clients (possibly some JavaScript-based AJAX requests) can define their own desired content type. Using jQuerys ajax() method you could do the following:
$.ajax({
url: @{Application.user(1)},
dataType: json,
success: function(data) {
. . .
}
});...
Converting an integer to a hexadecimal string in Ruby
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You can give to_s a base other than 10:
10.to_s(16) #=> "a"
Note that in ruby 2.4 FixNum and BigNum were unified in the Integer class.
If you are using an older ruby check the documentation of FixNum#to_s and BigNum#to_s
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Using Moq to determine if a method is called
... to find the way to mock and somehow invoke that method and then using CallBase propagate the call to the SomeOtherMethod(). It might sound as a hack but it is simple in essence. It could be used in the case if the proposed refactoring is not possible.
// This class is used only for test and purpos...
When should I use uuid.uuid1() vs. uuid.uuid4() in python?
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My team just ran into trouble using UUID1 for a database upgrade script where we generated ~120k UUIDs within a couple of minutes. The UUID collision led to violation of a primary key constraint.
We've upgraded 100s of servers but on our Amazon EC2 instances we ran into this ...
What does the “expand” option do in grunt-contrib-copy? The examples all use it but the docs say not
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-1. This is misleading - based on this answer I removed expand: true, figuring I didn't need it, and then my build stopped working.
– Claudiu
Nov 19 '15 at 18:56
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How to fix error with xml2-config not found when installing PHP from sources?
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I had the same issue when I used a DockerFile.
My Docker is based on the php:5.5-apache image.
I got that error when executing the command "RUN docker-php-ext-install soap"
I have solved it by adding the following command to my DockerFile
"RUN apt-get update && apt-get ins...