大约有 47,000 项符合查询结果（耗时：0.0230秒） [XML]
What's the best way to get the last element of an array without deleting it?
...))[0]; || NULL | NULL | NULL | string(1) "d" | string(1) "c" | int(99) | int(99999) || NULL | NULL | NULL | string(1) "d" | string(1) "c" | int(99) | int(99999) || NULL | NULL | NULL |...
Escape angle brackets in a Windows command prompt
I need to echo a string containing angle brackets (< and >) to a file on a Windows machine. Basically what I want to do is the following:
echo some string < with angle > brackets >>myfile.txt
...
Javascript Shorthand for getElementById
...
To save an extra character you could pollute the String prototype like this:
pollutePrototype(String, '绎', {
configurable: false, // others must fail
get: function() {
return document.getElementById(this);
},
set: function(element) {
eleme...
Get battery level and state in Android
...ntent.getIntExtra(BatteryManager.EXTRA_LEVEL, 0);
batteryTxt.setText(String.valueOf(level) + "%");
}
};
@Override
public void onCreate(Bundle b) {
super.onCreate(b);
setContentView(R.layout.main);
batteryTxt = (TextView) this.findViewById(R.id.batteryTxt);
this.regis...
jQuery vs document.querySelectorAll
... of ID
if ( elem.id === match[3] ) {
return makeArray( [ elem ], extra );
}
} else {
return makeArray( [], extra );
}
And if all else fails it will return the result of oldSizzle(query, context, extra, seed).
...
“Deprecation warning: moment construction falls back to js Date” when trying to convert RFC2822 date
...rning, you need to either:
Pass in an ISO formatted version of your date string:
moment('2014-04-23T09:54:51');
Pass in the string you have now, but tell Moment what format the string is in:
moment('Wed, 23 Apr 2014 09:54:51 +0000', 'ddd, DD MMM YYYY HH:mm:ss ZZ');
Convert your string to a JavaS...
@selector() in Swift?
...ed in the ObjC runtime). In that case, you can construct a Selector from a string: e.g. Selector("dynamicMethod:") — though you lose the compiler's validity checking. When you do that, you need to follow ObjC naming rules, including colons (:) for each parameter.
Selector availability: The method ...
Clone Object without reference javascript [duplicate]
...uments[ i ] || {};
i++;
}
// Handle case when target is a string or something (possible in deep copy)
if ( typeof target !== "object" && !jQuery.isFunction(target) ) {
target = {};
}
// extend jQuery itself if only one argument is passed
if ( i === l...
How to run SQL script in MySQL?
...ssword="yourpassword" < "filepath"
I use it this way because when you string it with "" you avoiding wrong path and mistakes with spaces and - and probably more problems with chars that I did not encounter with.
With @elcuco comment I suggest using this command with [space] before so it tell...
Why can I access TypeScript private members when I shouldn't be able to?
... even detected outside of the containing class.
class Person {
#name: string
constructor(name: string) {
this.#name = name;
}
greet() {
console.log(`Hello, my name is ${this.#name}!`);
}
}
let jeremy = new Person("Jeremy Bearimy");
jeremy.#name
// ~~~~~
/...