大约有 3,000 项符合查询结果（耗时：0.0109秒） [XML]
form_for with nested resources
...ted in controller: @post and @comment for the post, eg:
@post = Post.find params[:post_id]
@comment = Comment.new(:post=>@post)
Then in view:
<%= form_for([@post, @comment]) do |f| %>
Be sure to explicitly define the array in the form_for, not just comma separated like you have above....
Copy folder recursively in node.js
...equire("fs")
const path = require("path")
/**
* Look ma, it's cp -R.
* @param {string} src The path to the thing to copy.
* @param {string} dest The path to the new copy.
*/
var copyRecursiveSync = function(src, dest) {
var exists = fs.existsSync(src);
var stats = exists && fs.statS...
Capitalize words in string [duplicate]
...
/**
* Capitalizes first letters of words in string.
* @param {string} str String to be modified
* @param {boolean=false} lower Whether all other letters should be lowercased
* @return {string}
* @usage
* capitalize('fix this string'); // -> 'Fix This String'
* cap...
How to overload functions in javascript?
...
jQuery's $.ajax() accepts a form of usage where you just pass it a single parameter which is a regular Javascript object with properties and values. Which properties you pass it determine which arguments/options are being passed to the ajax call. Some may be required, many are optional. Since th...
Hex transparency in colors [duplicate]
...lt this small helper method for an android app, may come of use:
/**
* @param originalColor color, without alpha
* @param alpha from 0.0 to 1.0
* @return
*/
public static String addAlpha(String originalColor, double alpha) {
long alphaFixed = Math.round(alpha * 255);
String alp...
How to check type of files without extensions in python?
...9db0e31f9dfc11cf47') # You can pass a file name or a file object as first param. See doc for optional 2nd param.
'png'
Python 2 imghdr doc
Python 3 imghdr doc
share
|
improve this answer
...
Insert spaces between words on a camel-cased token [duplicate]
... character case changes in the string
/// </summary>
/// <param name="strInput">The string to parse</param>
/// <returns>The altered string</returns>
public static string ParseByCase(string strInput)
{
// The altered string (with spaces betwe...
How to update a menu item shown in the ActionBar?
...temSelected = false;
/**
* Called to inflate the action bar menus
*
* @param menu
* the menu
*
* @return true, if successful
*/
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu items for use in the action bar
inflater.inflate(R.menu.menu_demo, men...
Change Checkbox value without triggering onCheckChanged
...ntext, attrs, defStyleAttr);
init(context);
}
/**
* @param checkState change state of the checkbox to
* @param mIgnoreListener true to ignore the listener else listener will be notified
*/
public void setSafeCheck(boolean checkState, @ListenerMode int mIgnor...
How to prevent a jQuery Ajax request from caching in Internet Explorer?
...to your URL. Make sure your back end can ignore the "_" in the URL's query parameters.
– user3458
Sep 26 '13 at 19:34
4
...