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Why is the clone() method protected in java.lang.Object?
What is the specific reason that clone() is defined as protected in java.lang.Object ?
11 Answers
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What's the best way to join on the same table twice?
...umber = t.PhoneNumber1
JOIN Table2 t2 ON t2.PhoneNumber = t.PhoneNumber2
What i did:
No need to specify INNER - it's implied by the fact that you don't specify LEFT or RIGHT
Don't n-suffix your primary lookup table
N-Suffix the table aliases that you will use multiple times to make it obvious
...
How do you know what to test when writing unit tests? [closed]
...enge, but
remember – challenges can be overcome.
Only Test For What You Expect
I had real problems when I first
started because I was constantly sat
there trying to figure out every
possible problem that could occur and
then trying to test for it and fix.
This is a quick w...
How can I convert an image into Base64 string using JavaScript?
... dataUrl)
})
This code example could also be implemented using the WHATWG fetch API:
const toDataURL = url => fetch(url)
.then(response => response.blob())
.then(blob => new Promise((resolve, reject) => {
const reader = new FileReader()
reader.onloadend = () ...
What is the most effective way to get the index of an iterator of an std::vector?
...e shown, there are good reasons for both. Which one is "better" depends on what behavior you want: Do you want to guarantee constant-time behavior, or do you want it to fall back to linear time when necessary?
it - vec.begin() takes constant time, but the operator - is only defined on random access...
Using an ORM or plain SQL? [closed]
...e days is ibatis. It's a pretty thin wrapper around SQL that does 90%+ of what JPA can do (it can even do lazy-loading of relationships although its not well-documented) but with far less overhead (in terms of complexity and actual code).
This came up last year in a GWT application I was writing. ...
(Mac) -bash: __git_ps1: command not found
... @designer84: thanks for the extra information - I think it's clear now what the problem is, and I've updated my answer with an explanation.
– Mark Longair
Oct 13 '12 at 19:41
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Accessing nested JavaScript objects and arays by string path
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what happes if the objet is not found?
– DDave
Oct 31 '17 at 16:58
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What's the difference between NOT EXISTS vs. NOT IN vs. LEFT JOIN WHERE IS NULL?
...
And what do you propose as workaround when you actually need NOT?
– dnoeth
Apr 6 '16 at 7:57
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Meaning of …interface{} (dot dot dot interface)
Below is a piece of Go code I have question about.
Specifically, what is a in this function?
2 Answers
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