大约有 43,000 项符合查询结果（耗时：0.0362秒） [XML]
Does Javascript pass by reference? [duplicate]
...y value:
function replace(ref) {
ref = {}; // this code does _not_ affect the object passed
}
function update(ref) {
ref.key = 'newvalue'; // this code _does_ affect the _contents_ of the object
}
var a = { key: 'value' };
replace(a); // a still has its original value - it's un...
How to hide keyboard in swift on pressing return key?
...miss the keyboard using the following function
func textFieldShouldReturn(_ textField: UITextField) -> Bool {
self.view.endEditing(true)
return false
}
Here is a full example to better illustrate that:
//
// ViewController.swift
//
//
import UIKit
class ViewController: UIViewContro...
Range references instead values
...{
field string
}
func main() {
var array [10]MyType
for idx, _ := range array {
array[idx].field = "foo"
}
for _, e := range array {
fmt.Println(e.field)
fmt.Println("--")
}
}
...
If threads share the same PID, how can they be identified?
... +---------+
| process |
_| pid=42 |_
_/ | tgid=42 | \_ (new thread) _
_ (fork) _/ +---------+ \
/ +---------+
+---------+ | ...
How do I get only directories using Get-ChildItem?
...tainer. You want to select only those items.
Get-ChildItem -Recurse | ?{ $_.PSIsContainer }
If you want the raw string names of the directories, you can do
Get-ChildItem -Recurse | ?{ $_.PSIsContainer } | Select-Object FullName
For PowerShell 3.0 and greater:
dir -Directory
...
“Unknown provider: aProvider
...iable name was you can change how uglify mangles the variables:
../node_modules/grunt-contrib-uglify/node_modulesuglify-js/lib/scope.js
SymbolDef.prototype = {
unmangleable: [...],
mangle: function(options) {
[...]
this.mangled_name = s.next_mangled(options, this)+"_orig_"+this.ori...
Get value from SimpleXMLElement Object
...
Just noticed if you json_encode the xml object and then json_decode it you get a nested stdObject to deal with, quite handy for when you're being lazy & working with simple structures :D
– Louis
Sep 20 '13 ...
How to use pull to refresh in Swift?
...refresh")
refreshControl.addTarget(self, action: #selector(self.refresh(_:)), for: .valueChanged)
tableView.addSubview(refreshControl) // not required when using UITableViewController
}
@objc func refresh(_ sender: AnyObject) {
// Code to refresh table view
}
At some point you could en...
Apply multiple functions to multiple groupby columns
...ame, you can use a normal function and supply a custom name to the special __name__ attribute like this:
def max_min(x):
return x.max() - x.min()
max_min.__name__ = 'Max minus Min'
df.groupby('group').agg({'a':['sum', 'max'],
'b':'mean',
'c'...
How do I localize the jQuery UI Datepicker?
...ta();
$.datepicker.regional['user'] = {
monthNames: momentLocaleData._months,
monthNamesShort: momentLocaleData._monthsShort,
dayNames: momentLocaleData._weekdays,
dayNamesShort: momentLocaleData._weekdaysMin,
dayNamesMin: momentLocaleData._weekdaysMin,
firstDay: momentLoca...