大约有 430 项符合查询结果（耗时：0.0256秒） [XML]
How do I print out the contents of an object in Rails for easy debugging?
...e found that some YAML outputs of records display more data (metadata, perhaps?) than I care to see. If I'm looking for the YAML version of a record I'll use y record_name.attributes. #y is an alias for to_yaml.
– Tass
Jan 14 '16 at 15:16
...
How do I move to end of line in Vim?
... You can use A to move to the end of the line and switch to editing mode (Append). To jump the last non-blank character, you can press g then _ keys.
The opposite of A is I (Insert mode at beginning of line), as an aside. Pressing just the ^ will place your cursor at the first non-white-space ch...
How to split a comma-separated value to columns
...a code-only answer and does not even solve the issue There are much better approaches around! For SQL-Server 2016+ look for STRING_SPLIT() (which does not carry the fragment's position, a huge fail!) or the really fast JSON-hack. For older version look for the well-known XML-hack (json and xml detai...
adding and removing classes in angularJs using ng-click
...nge it from the controller. Here is an example of how to do this:
var app = angular.module("ap",[]);
app.controller("con",function($scope){
$scope.class = "red";
$scope.changeClass = function(){
if ($scope.class === "red")
$scope.class = "blue";
else
$scope.clas...
How to “pretty” format JSON output in Ruby on Rails
...
The original poster said nothing about where in a Rails app he wants to use this, so I answered with a line of Ruby that will work anywhere. To use it to generate the JSON response in a Rails controller, you already answered your own question: format.json { render :json => JSO...
Postgres: INSERT if does not exist already
...w
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edited Apr 30 at 13:19
a_horse_with_no_name
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Convert php array to Javascript
...s, "\0..\37\"\\") . '"';
}
function js_array($array)
{
$temp = array_map('js_str', $array);
return '[' . implode(',', $temp) . ']';
}
echo 'var cities = ', js_array($php_cities_array), ';';
share
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NoSql vs Relational database
...n Image, both with no meta-data attached.
– I GIVE CRAP ANSWERS
Nov 12 '10 at 1:21
2
Well, you ca...
How do I initialize an empty array in C#?
... with one element where that element is null.
– rory.ap
Sep 27 '13 at 14:24
15
@roryap - No. It r...
VIM Replace word with contents of paste buffer?
... typing " then the name (single character) of the register, like "ay then "ap to yank into register a, then put the contents of register a. Same goes for a change command. In this case, if you don't want the text you remove with the change command to go anywhere, you can use the black hole register ...