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How do I remove a property from a JavaScript object?
...d values. The delete operator is used to remove these keys, more commonly known as object properties, one at a time.
var obj = {
myProperty: 1
}
console.log(obj.hasOwnProperty('myProperty')) // true
delete obj.myProperty
console.log(obj.hasOwnProperty('myProperty')) // false
T...
How to revert multiple git commits?
...not delete these, you will have to do it manually. I applied this strategy now, thanks Jakub
– oma
Mar 31 '11 at 14:56
18
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Better way to get type of a Javascript variable?
...
Ah, I'd forgotten about that - thank you, it's now included.
– Vix
Feb 26 '16 at 9:20
1
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When is “Try” supposed to be used in C# method names?
...
This is known as the TryParse pattern and has been documented by Microsoft. The official Exceptions and Performance MSDN page says:
Consider the TryParse pattern for members that may throw exceptions in common scenarios to avoid p...
How to get POSTed JSON in Flask?
I'm trying to build a simple API using Flask, in which I now want to read some POSTed JSON. I do the POST with the Postman Chrome extension, and the JSON I POST is simply {"text":"lalala"} . I try to read the JSON using the following method:
...
Error Code: 2013. Lost connection to MySQL server during query
... Following stackoverflow.com/q/16877574/395857, this issue is now solved (bugs.mysql.com/bug.php?id=69395)
– Franck Dernoncourt
Jun 18 '13 at 3:46
4
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Creating anonymous objects in php
As we know, creating anonymous objects in JavaScript is easy, like the code below:
12 Answers
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Reconnection of Client when server reboots in WebSocket
... ws.onclose = function(){
console.log('closed!');
//reconnect now
check();
};
}
function check(){
if(!ws || ws.readyState == 3) start();
}
start();
setInterval(check, 5000);
});
This will retry as soon as the server closes the connection, and it will chec...
What is the good python3 equivalent for auto tuple unpacking in lambda?
...s, key=lambda p: (lambda x,y: (x*x + y*y))(*p))
update Python 3.8
As of now, Python 3.8 alpha1 is available, and PEP 572- assignment expressions are implemented.
So, if one uses a trick to execute multiple expressions inside a lambda - I usually do that by creating a tuple and just returning the...
Validation of radio button group using jQuery validation plugin
...
This is now the best answer for me with the updates to jQuery. +1.
– Kieran Andrews
Feb 21 '11 at 1:46
6
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