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How can I determine the current line number in JavaScript?
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var thisline = new Error().lineNumber
If that doesn't work in whatever environment you're using, you can try:
var stack = new Error().stack
Then hunt through the stack for the line number.
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np.mean() vs np.average() in Python NumPy?
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answered Nov 18 '13 at 17:51
HammerHammer
8,94911 gold badge3131 silver badges4747 bronze badges
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WebSockets vs. Server-Sent events/EventSource
...er action. A few examples would be friends' status updates, stock tickers, news feeds, or other automated data push mechanisms (e.g. updating a client-side Web SQL Database or IndexedDB object store). If you'll need to send data to a server, XMLHttpRequest is always a friend.
SSEs are sent over...
Show pending migrations in rails
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theIVtheIV
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Iterating a JavaScript object's properties using jQuery
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Is it safe to resolve a promise multiple times?
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If you need to change the return value of promise, simply return new value in then and chain next then/catch on it
var p1 = new Promise((resolve, reject) => { resolve(1) });
var p2 = p1.then(v => {
console.log("First then, value is", v);
return 2;
});
p2.the...
Difference between a theta join, equijoin and natural join
...problem with "natural" joined column isn't about changing names but adding new ones that must not conflict between all possibly joined tables in the system. Take very common columns such as "name", "description", ... Using "natural join" will make them joined whereas it makes nonsense and more is ag...
“The 'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine” Error in importing
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Broken link, please share the new one.
– Venkat
Oct 11 '19 at 5:16
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Is there a Google Voice API? [closed]
... John NagleJohn Nagle
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How can you find out which process is listening on a port on Windows?
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New answer, powershell
Get-Process -Id (Get-NetTCPConnection -LocalPort YourPortNumberHere).OwningProcess
Old answer, cmd
C:\> netstat -a -b
(Add -n to stop it trying to resolve hostnames, which will make it a lot faste...