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What's the opposite of chr() in Ruby?
... languages there's a pair of functions, chr() and ord() , which convert between numbers and character values. In some languages, ord() is called asc() .
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Technically what is the main difference between Oracle JDK and OpenJDK? [duplicate]
I have been using OpenJDK for ages, initially for small projects where it has no problems. But since I started to play with it for big toys, I started to notice random/unknown fatal error and crashes (with H.264 codecs, etc.), and it was a nightmare till then to get ride of system crash+fatal errors...
How to implement a queue using two stacks?
Suppose we have two stacks and no other temporary variable.
20 Answers
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Find TODO tags in Eclipse
... methods were auto-generated and include // TODO Auto-generated method stub
5 Answers
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Is cout synchronized/thread-safe?
...ng. However, do things like cout get special treatment in the standard library?
4 Answers
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How to unzip a list of tuples into individual lists? [duplicate]
...nts from all inputs, starting with the first values, then the second, etc. By using *l you apply all tuples in l as separate arguments to the zip() function, so zip() pairs up 1 with 3 with 8 first, then 2 with 4 and 9. Those happen to correspond nicely with the columns, or the transposition of l.
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Passing Data between View Controllers
I'm new to iOS and Objective-C and the whole MVC paradigm and I'm stuck with the following:
46 Answers
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Why does `True == False is False` evaluate to False? [duplicate]
I get some rather unexpected behavior on an expression that works with == but not with is :
4 Answers
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Adding a new SQL column with a default value
I am looking for the syntax to add a column to a MySQL database with a default value of 0
10 Answers
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ESP8285接入App Inventor 2深度调研：4种连接方案+是否需要开发拓展 - 创客...
...ot;：
参数ESP8285ESP8266CPUTensilica L106, 80/160MHz相同WiFi802.11 b/g/n相同Flash内置 1MB外部 SPI FlashSRAM~50KB 用户可用相同GPIO最多 17 个相同接口UART, SPI, I2C, PWM, ADC相同封装QFN32 (5x5mm)更大
核心结论：ESP8285软件生态与ESP8266 100%兼容，可用Ard...