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MySQL ON DUPLICATE KEY UPDATE for multiple rows insert in single query
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Use keyword VALUES to refer to new values (see documentation).
INSERT INTO beautiful (name, ag...
Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?
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| Chrome 71.0.3578 | 988 | 1006 | 2902 | 963 | 1008 | 2902 |
| Firefox 65 | 1979 | 1902 | 2197 | 1917 | 1873 | 1953 |
| Edge | 593 | 373 | 952 | 361 | 415 | 444 |
| Exploder 11 | ...
Difference between jQTouch and jQuery mobile
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jQtouch is optimized for WebKit, jQuery Mobile is looking to support all mobile devices; that is...
What does “%” (percent) do in PowerShell?
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edited Apr 3 '14 at 19:41
answered Apr 3 '14 at 19:03
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Why is there an injected class name?
... to refer to the current instantiation. See DR 176 for a change between C++98 and C++03 that clarified that.
The idea of the injected class name was present in C++98, but the terminology was new for C++03.
C++98 says:
A class-name is inserted into the scope in which it is declared immediately ...
What's the difference between “Request Payload” vs “Form Data” as seen in Chrome dev tools Network t
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leflohlefloh
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What does the “@” symbol do in Powershell?
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edited Mar 1 '19 at 21:57
TylerH
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an...
Undo a particular commit in Git that's been pushed to remote repos
...ettAndrew Aylett
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Why does X[Y] join of data.tables not allow a full outer join, or a left join?
...]))
Y[X[J(unique_keys)]]
## t b a
## 1: 1 NA 1
## 2: 2 NA 4
## 3: 3 9 9
## 4: 4 16 16
## 5: 5 25 NA
## 6: 6 36 NA
# The following will give the same with the column order X,Y
X[Y[J(unique_keys)]]
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