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JavaScript variables declare outside or inside loop?
... code, it's better to declare var in that section, so the section stands alone and can be copy-pasted. Otherwise, copy-paste a few lines of code to a new function during refactoring, without separately picking out and moving the associated var, and you've got yourself an accidental global.
In parti...
What is the easiest/best/most correct way to iterate through the characters of a string in Java?
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plus one for placing the s.length() in the initialization expression. If anyone doesn't know why, it's because that is only evaluated once where if it was placed in the termination statement as i < s.length(), then s.length() w...
Git: How to rebase to a specific commit?
...he docs, It works by going to the common ancestor of the two branches (the one you’re on and the one you’re rebasing onto), getting the diff introduced by each commit of the branch you’re on, saving those diffs to temporary files, resetting the current branch to the same commit as the branch y...
Should I use char** argv or char* argv[]?
I'm just learning C and was wondering which one of these I should use in my main method. Is there any difference? Which one is more common?
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How can I implement an Access Control List in my Web MVC application?
...nd that it is the original object, it will react the same
But, there are one major issue with this method too - you cannot natively check if secured object implements and interface ( which also applies for looking up existing methods ) or is part of some inheritance chain.
Second part/answer (RBA...
Hidden features of Perl?
...cumented somewhere, or follow logically from the documented features, but nonetheless some are not very well known.
Update: Another nice one. Below the q{...} quoting constructs were mentioned, but did you know that you can use letters as delimiters?
$ perl -Mstrict -wle 'print q bJet another per...
round up to 2 decimal places in java? [duplicate]
I have read a lot of stackoverflow questions but none seems to be working for me. i am using math.round() to round off.
this is the code:
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What is a raw type and why shouldn't we use it?
...ines a raw type as follows:
JLS 4.8 Raw Types
A raw type is defined to be one of:
The reference type that is formed by taking the name of a generic type declaration without an accompanying type argument list.
An array type whose element type is a raw type.
A non-static member type of a raw type ...
Why should I use the keyword “final” on a method parameter in Java?
...other than the object passed by the calling method. In the examples above, one should never write the line arg =. Since humans make mistakes, and programmers are human, let’s ask the compiler to assist us. Mark every parameter/argument variable as 'final' so that the compiler may find and flag any...
Validation of radio button group using jQuery validation plugin
How to perform validation for a radio button group (one radio button should be selected) using jQuery validation plugin?
8 ...