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How to clone a case class instance and change just one field in Scala?
...nd it in the Scala specification: scala-lang.org/docu/files/ScalaReference.pdf §5.3.2. It's not in the API because it's not a part of the API ;)
– Nicolas
Aug 30 '11 at 20:44
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URL encoding the space character: + or %20?
...seen "+" in some Web APIs which don't respond with HTML e.g. you request a pdf. I consider it wrong that they dont use "%20".
– The incredible Jan
Oct 12 '17 at 14:09
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How default .equals and .hashCode will work for my classes?
... a good explanation.
For more information, see Effective Java, Chapter 3 (pdf), item 8.
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Is it possible to write data to file using only JavaScript?
...nload a html file as .html in firefox v76 on Windows 10. The download has .pdf appended to the end of it.
– CSchwarz
May 8 at 3:43
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BLE（四）嗅探工具 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...，8KB RAM和其他功能强大的配套特征及外设。CC2540有两种版本：CC2540F128 / F256，分别为128和256 KB的闪存，结合TI的低功耗蓝牙协议栈，CC2540F128 / F256形成了市场上最灵活，性价比也最高的单模式蓝牙BLE解决方案。
CC2540 USB Dongle的实...
AtomicInteger lazySet vs. set
..., the CPU has to be modern enough.
http://sc.tamu.edu/systems/eos/nehalem.pdf
For Nehalem which is a multi-processor platform, the processors have the ability to “snoop” (eavesdrop) the address bus for other processor’s accesses to system memory and to their internal caches. They use this sno...
Weighted random numbers
...but there is an algorithm of the same name. sirkan.iit.bme.hu/~szirmay/c29.pdf and en.wikipedia.org/wiki/Photon_mapping A Monte Carlo method called Russian roulette is used to choose one of these actions it comes up in buckets when googling for it. "russian roulette algorithm". You could argue that ...
Is short-circuiting logical operators mandated? And evaluation order?
...eful
}
Section 6.5.13 Logical AND operator of the C99 specification (PDF link) says
(4). Unlike the bitwise binary & operator, the && operator guarantees
left-to-right evaluation; there is a
sequence point after the evaluation of
the first operand. If the first
operand ...
Which characters are valid/invalid in a JSON key name?
..., etc? The both json.org and the linked official/formal ECMA specification PDF seem to imply that yes, those are valid in JSON, even in their literal forms (not just in the \u four-hex-digits form).
– mtraceur
Jun 16 '16 at 13:13
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How to use phpexcel to read data and insert into database?
...ere I want to read data from excel, Insert into database and then generate pdf reports for specific users.
I searched a lot but nothing specific given about both things.
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