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Why is there no Constant feature in Java?
...have learned that Java allows us to declare constants by using final keyword.
8 Answers
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CSS: fixed position on x-axis but not y?
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Update Credit: @PierredeLESPINAY
As commented, to make the script support the changes in the css without having to recode them in the script. You can use the following.
var leftOffset = parseInt($("#header").css('left')); //Grab the left position left first
$(window).scroll(function(){
$('...
What is the size limit of a post request?
Sorry if this is duplicate,I would think it would be but couldn't find anything.
9 Answers
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RegEx to exclude a specific string constant [duplicate]
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You have to use a negative lookahead assertion.
(?!^ABC$)
You could for example use the following.
(?!^ABC$)(^.*$)
If this does not work in your editor, try this. It is tested to work in ruby and javascript:
^((?!ABC).)*$
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error: writable atomic property cannot pair a synthesized setter/getter with a user defined setter/g
... project (which used to compile just fine), and now I'm seeing a lot of errors of this form:
4 Answers
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Fixed point vs Floating point number
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A fixed point number has a specific number of bits (or digits) reserved for the integer part (the part to the left of the decimal point) and a specific number of bits reserved for the fractional part (the part to the right of the decimal point). No matter how large or small yo...
Copy a variable's value into another
... to some other variable so that they share the same value. This is how it works:
10 Answers
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How to write a cron that will run a script every day at midnight?
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Here's a good tutorial on what crontab is and how to use it on Ubuntu. Your crontab line will look something like this:
00 00 * * * ruby path/to/your/script.rb
(00 00 indicates midnight--0 minutes and 0 hours--and the *s mean every day of ...
How to do a JUnit assert on a message in a logger
I have some code-under-test that calls on a Java logger to report its status.
In the JUnit test code, I would like to verify that the correct log entry was made in this logger. Something along the following lines:
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When to use static classes in C# [duplicate]
...ell. They're very easy to use, no instantiation, no disposal, just fire'n'forget. I guess this was my first unwitting attempt at creating a service-oriented architecture - lots of stateless services that just did their job and nothing else. As a system grows however, dragons be coming.
Polymorphism...