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How can we match a^n b^n with Java regex?
...lowly constructed. In this aspect, hopefully this answer will contain much more than just another neat regex pattern. Hopefully readers will also learn how to "think in regex", and how to put various constructs harmoniously together, so they can derive more patterns on their own in the future.
The l...
What is your most productive shortcut with Vim?
...rstand basic up, down, left, and right cursor movements then vi will be no more productive than a copy of "notepad" for you. (Okay, you'll still have syntax highlighting and the ability to handle files larger than a piddling ~45KB or so; but work with me here).
vi has 26 "marks" and 26 "registers."...
In Angular, I need to search objects in an array
...lter) {
$scope.fish = [{category:'freshwater', id:'1', name: 'trout', more:'false'}, {category:'freshwater', id:'2', name:'bass', more:'false'}]
$scope.showdetails = function(fish_id){
var found = $filter('getById')($scope.fish, fish_id);
console.log(found);
$s...
Why is using the JavaScript eval function a bad idea?
...oper use of eval opens up your
code for injection attacks
Debugging can be more challenging
(no line numbers, etc.)
eval'd code executes slower (no opportunity to compile/cache eval'd code)
Edit: As @Jeff Walden points out in comments, #3 is less true today than it was in 2008. However, while some...
Why is semicolon allowed in this python snippet?
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Are “while(true)” loops so bad? [closed]
...}
else
{
actOnInput(input);
}
}
I view the latter as more complicated to read: it's got an extra else block, the actOnInput is more indented, and if you're trying to work out what happens when testCondition returns true, you need to look carefully through the rest of the block ...
How can I change the color of my prompt in zsh (different from normal text)?
...lor, to being able to change the title bar of your window, and so on.
For more on escape sequences, see the wikipedia entry on ANSI escape codes
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Disable browser's back button
...ry possible scenario, may tend towards disabling the back button being the more attractive option of the two.
– david.barkhuizen
Dec 27 '12 at 15:36
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What's the @ in front of a string in C#?
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simple explanation PHP OOP vs Procedural?
...ons jump quickly into "OOP real world" examples. Those can tend to confuse more than help, so feel free to ignore that for now.
You can think of source code simply as "chunks" of functionality, that just happen to be saved to individual files.
There are different ways of organizing those "chunks"; d...