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Which equals operator (== vs ===) should be used in JavaScript comparisons?
...n the third rule)
Now it becomes interesting:
var a = "12" + "3";
var b = "123";
alert(a === b); // returns true, because strings behave like value types
But how about this?:
var a = new String("123");
var b = "123";
alert(a === b); // returns false !! (but they are equal and of the same type)
I...
Git 'fatal: Unable to write new index file'
...answered Mar 27 '15 at 15:36
gls123gls123
4,89922 gold badges2424 silver badges2626 bronze badges
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What does “xmlns” in XML mean?
...lt;homecity>
<name>London</name>
<lat>123.000</lat>
<long>0.00</long>
</homecity>
</person>
If our two XMLs were combined into a single document, how would we tell the two names apart? As you can see above, there are tw...
AI助手重构版问题记录 - AI 助手 - 清泛IT社区，为创新赋能！
...atusLabel.Text","value": "正在连接..."},{"set_prop": "ConnectButton.Enabled","value":false}]},{"event": "MQTT1.Connected","do":[{"set_var": "global isConnected","value":true},{"set_prop": "StatusLabel.Text","value":{"join":["已连接到 ",{"get_prop": "ServerTextBox.Text"},": ",{"get_prop": "Po...
Overloading Macro on Number of Arguments
I have two macros FOO2 and FOO3 :
8 Answers
8
...
How do I repeat an edit on multiple lines in Vim?
... to insert something on multiple lines, use Shift-i.
So for the text:
abc123abc
def456def
ghi789ghi
if you hit Ctrl-v with your cursor over the 1, hit j twice to go down two columns, then Shift-i,ESC , your text would look like this:
abc,123abc
def,456def
ghi,789ghi
(the multi-line insert has...
JavaScript/jQuery to download file via POST with JSON data
...ent there, but not sure about a PDF or Excel...
– Marçal Juan
Jan 23 '15 at 11:07
2
You should f...
What is the best way to detect a mobile device?
...nity wiki
11 revs, 11 users 63%Gonçalo Peres
9
...
How to determine whether an object has a given property in JavaScript
...throw new Error("IllegalArgumentException");
}
alert("ok");
}
f({req1: 123}); // error
f({req1: 123, req2: 456}); // ok
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Delete newline in Vim
... answered May 27 '16 at 21:44
Néstor WaldydNéstor Waldyd
53044 silver badges66 bronze badges
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