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What are the differences between “generic” types in C++ and Java?

... 32 It's not purely syntactic sugar. The compiler uses this information for checking types. Even though the information isn't available at runt...
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Remove all occurrences of char from string

...cher.quoteReplacement(replacement.toString())); – Sal_Vader_808 Jun 27 '18 at 19:14 add a com...
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https URL with token parameter : how secure is it?

... – Jason Punyon♦ Mar 13 '09 at 17:32 add a comment  |  ...
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Determine the data types of a data frame's columns

...o use ?str(). To explore some examples, let's make some data: set.seed(3221) # this makes the example exactly reproducible my.data <- data.frame(y=rnorm(5), x1=c(1:5), x2=c(TRUE, TRUE, FALSE, FALSE, FALSE), X3=letters[1:5]) ...
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FirstOrDefault: Default value other than null

...3 RB.RB. 32.7k1010 gold badges7878 silver badges116116 bronze badges a...
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What is the purpose of the word 'self'?

... But in __init__(self) method, it accepts self, then even without creating the object, how does it refer to itself? – saurav Jan 28 '18 at 10:10 ...
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记录一些Mac OS X技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术

... sudo launchctl unload -w /System/Library/LaunchDaemons/com.apple.dynamic_pager.plist 禁用以后,磁盘上还保留着这些交换文件,它们已经没用了,也可以删掉: sudo rm /private/var/vm/swapfile* 如果要重新启用虚拟内存的话,可以执行这条命令: ...
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What is the difference between String.Empty and “” (empty string)?

...private hidebysig instance string foo() cil managed { .maxstack 8 L_0000: ldstr "foo" L_0005: ret } .method private hidebysig instance string bar() cil managed { .maxstack 8 L_0000: ldstr "bar" L_0005: ldsfld string [mscorlib]System.String::Empty L_000a: call string [msc...
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Prevent row names to be written to file when using write.csv

...te.csv(data, "baseR_file.csv", row.names = F) 13.8066424 13.8248250 13.9118324 13.8776993 13.9269675 14.3241311 10 ## write_csv(data, "readr_file.csv") 3.6742610 3.7999409 3.8572456 3.8690681 3.8991995 4.0637453 10 ## fwrite(data, "datatable_file.csv") 0.3...
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Convert a string to an enum in C#

... KeithKeith 127k6666 gold badges263263 silver badges379379 bronze badges 18 ...