大约有 47,000 项符合查询结果（耗时：0.0373秒） [XML]
NSDate get year/month/day
...rently my most popular answer, I'll try to edit it to contain a little bit more information.
Despite its name, NSDate in and of itself simply marks a point in machine time, not a date. There's no correlation between the point in time specified by an NSDate and a year, month, or day. For that, you h...
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."...
Why is semicolon allowed in this python snippet?
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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...
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 ...
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...
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...
What's the @ in front of a string in C#?
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259
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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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Return two and more values from a method
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more freedom, more responsibility. Experienced rubyist would take advantage of it and write some beautiful codes. while ruby rookies can make things worse.
– fengd
Nov 5 '13 at 17:07
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