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How do I remove a key from a JavaScript object? [duplicate]
...ect["Cow"];
// Example 3
delete thisIsObject.Cow;
If you're interested, read Understanding Delete for an in-depth explanation.
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Adding event listeners to dynamically added elements using jQuery [duplicate]
...ssible so it doesn't "bubble" up further then it needs to. I recommend you read up on event bubbling to get a better understanding.
– Jack
Jan 2 '19 at 20:26
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AngularJS : The correct way of binding to a service properties
...could just as easily be {{timer.lastUpdated}}, which I might argue is more readable (but let's not argue... I'm giving this point a neutral rating so you decide for yourself)
+1 It may be convenient that the controller acts as a sort of API for the markup such that if somehow the structure of the da...
What do numbers using 0x notation mean?
...00--1999 would represent the negative numbers. My question was about human-readable notation, though knowing how computers do it might help someone else, so thanks :)
– Luc
Mar 7 at 10:07
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Subdomain on different host [closed]
... throwing me off.
Thanks for both of the replies. I 'got it' as soon as I read Bryant's response which was first but Saif kicked it up a notch and added a little more detail.
Thanks!
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CSS media queries: max-width OR max-height
.... It's been a good chance to learn myself! Take the time to systematically read though and I hope it will be helpful.
Media Queries
Media queries essentially are used in web design to create device- or situation-specific browsing experiences; this is done using the @media declaration within a pa...
What is hashCode used for? Is it unique?
...ingerprint. We can use this finger print to identify people of interest.
Read below for more details:
Think of a Hashcode as us trying to To Uniquely Identify Someone
I am a detective, on the look out for a criminal. Let us call him Mr Cruel. (He was a notorious murderer when I was a kid -- he b...
What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?
...ence', 1)
INSERT INTO post_comment (post_id, review, id)
VALUES (2, 'Must-read for Java developers', 2)
INSERT INTO post_comment (post_id, review, id)
VALUES (3, 'Five Stars', 3)
INSERT INTO post_comment (post_id, review, id)
VALUES (4, 'A great reference book', 4)
N+1 query problem with plain ...
Set value to NULL in MySQL
...y,itemname)
VALUES ('$quantity','$itemname')");
I corrected query to read.
mysql_query("INSERT INTO products(quantity,itemname)
VALUES ('".$quantity."','$itemname')");
So the $quantity is outside of the main string.
My sql table now accepted to record null quantity instead of 0
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Why is require_once so bad to use?
Everything I read about better PHP coding practices keeps saying don't use require_once because of speed.
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