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Find MongoDB records where array field is not empty
All of my records have a field called "pictures". This field is an array of strings.
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Find the Smallest Integer Not in a List
An interesting interview question that a colleague of mine uses:
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What is the difference between a weak reference and an unowned reference?
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How to see which commits in one branch aren't in the other?
I have two branches devel and next . In devel I have a more or less huge amount of commits. Some of the commits are cherry picked in next . Also I added some commits to next which are merged to devel .
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Why is SELECT * considered harmful?
Why is SELECT * bad practice? Wouldn't it mean less code to change if you added a new column you wanted?
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Why it's not possible to use regex to parse HTML/XML: a formal explanation in layman's terms
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Null vs. False vs. 0 in PHP
I am told that good developers can spot/utilize the difference between Null and False and 0 and all the other good "nothing" entities.
What is the difference, specifically in PHP? Does it have something to do with === ?
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What does it mean to “program to an interface”?
I have seen this mentioned a few times and I am not clear on what it means. When and why would you do this?
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What exactly is Type Coercion in Javascript?
What exactly is type coercion in Javascript?
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