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Remove carriage return in Unix
...ose tools installed on your box, you've got bigger problems than trying to convert files :-)
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What is the memory consumption of an object in Java?
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Mindprod points out that this is not a straightforward question to answer:
A JVM is free to store data any way it pleases internally, big or little endian, with any amount of padding or overhead, though primitives must behave as if ...
How to create a new object instance from a Type
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@KonradRudolph Ah sorry, misinterpreted "such an operation" to mean instantiating a type that's only known at runtime; instead of meaning using a runtime type as a generic type parameter.
– AnorZaken
May 31 '17 at ...
How do I set default values for functions parameters in Matlab?
... to work with such property/value pairs, parse_pv_pairs.m. It helps you to convert property/value pairs into a matlab structure. It also enables you to supply default values for each parameter. Converting an unwieldy list of parameters into a structure is a VERY nice way to pass them around in MATLA...
Find a pair of elements from an array whose sum equals a given number
Given array of n integers and given a number X, find all the unique pairs of elements (a,b), whose summation is equal to X.
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Split data frame string column into multiple columns
...ing columns will have correct types and improve performance by adding type.convert and fixed arguments (since "_and_" isn't really a regex)
setDT(before)[, paste0("type", 1:2) := tstrsplit(type, "_and_", type.convert = TRUE, fixed = TRUE)]
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How to read a file without newlines?
...t would help in some circumstances, on my system \r\n line endings are not converted to \n, whether read as text or binary, so os.linesep would work where \n does not. But splitlines is clearly the better choice, in the case you mention where the file does not match the os. Really I mostly mentioned...
Swift 编程语言入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...学习应该从打印"Hello, world"开始。在Swift，就是一行:
println("Hello, world")
如果你写过C或Objective-C代码，这个语法看起来很熟悉，在Swift，这就是完整的程序了。你无需导入(import)一个单独的库供输入输出和字符串处理。全局范...
POST request via RestTemplate in JSON
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Can Spring use the message converters to automatically convert the Java Object to json like it did in Restful API with RestTemplate?
– fall
Aug 10 '17 at 10:21
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Determining the size of an Android view at runtime
...nually:
view.measure(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED);
int width=view.getMeasuredWidth();
int height=view.getMeasuredHeight();
If you know the size of the container:
val widthMeasureSpec = View.MeasureSpec.makeMeasureSpec(maxWidth, View.MeasureSpec.AT_MOST)
val heigh...