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What do querySelectorAll and getElementsBy* methods return?
...Name (and similar functions like getElementsByTagName and querySelectorAll ) work the same as getElementById or do they return an array of elements?
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What are database normal forms and can you give examples? [closed]
...piece of information, and there can be no duplicate rows.
2NF and 3NF are all about being dependent on the primary key. Recall that a primary key can be made up of multiple columns. As Chris said in his response:
The data depends on the key [1NF], the whole key [2NF] and nothing but the key [3NF] ...
Detecting an “invalid date” Date instance in JavaScript
...
Here's how I would do it:
if (Object.prototype.toString.call(d) === "[object Date]") {
// it is a date
if (isNaN(d.getTime())) { // d.valueOf() could also work
// date is not valid
} else {
// date is valid
}
} else {
// not a date
}
Update [2018-05-31]: If you...
How to download a file from server using SSH? [closed]
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This actually works with .ssh/config, whereas scp doesn't seem to follow the ssh configuration
– user1115652
Feb 23 '17 at 0:50
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Difference between webdriver.Dispose(), .Close() and .Quit()
...ose the browser window that the driver has focus of
webDriver.Quit() - Calls Dispose()
webDriver.Dispose() Closes all browser windows and safely ends the session
The code below will dispose the driver object, ends the session and closes all browsers opened during a test whether the test fa...
Convert UTC/GMT time to local time
...teTimeKind.Utc
Now, once the system knows its in UTC time, you can just call ToLocalTime:
DateTime dt = convertedDate.ToLocalTime();
This will give you the result you require.
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Can't start site in IIS (use by another process)
...d that process, restart IIS and you are done. (Note: if you have Skype installed, try exiting that process first.)
In a modern Task Manager, you need to go on the Details tab to search for the PID. Or, as mentioned by @Nikita G in the comments, you can use this command to find the task from your co...
Why does CSS work with fake elements?
... Why doesn't my professor want me to use made-up elements?
They are not allowed by the HTML specification
They might conflict with future standard elements with the same name
There is probably an existing HTML element that is better suited to the task
Also; why didn't he know that made-up el...
Entity framework self referencing loop detected [duplicate]
...en this is sufficient, and I'd say better if you're doing MVVM, because it allows you to specify the ViewModel on the server. if you want to use this service as part of an N-Tier API, consumed by other .net services, then the other answer is more appropriate, because it keeps the database contract i...
How do you disable viewport zooming on Mobile Safari?
I've tried all three of these to no avail:
15 Answers
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