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How does the Java 'for each' loop work?
...'re almost equivalent, but with collections, iterator wins.
*This post is based on two answers I wrote on Stack Overflow:
Uses and syntax for for-each loop in Java
Should I use an Iterator or a forloop to iterate?
Some more information: Which is more efficient, a for-each loop, or an iterator?
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Swift performSelector:withObject:afterDelay: is unavailable [duplicate]
...2
let dispatchTime: dispatch_time_t = dispatch_time(DISPATCH_TIME_NOW, Int64(0.1 * Double(NSEC_PER_SEC)))
dispatch_after(dispatchTime, dispatch_get_main_queue(), {
// your function here
})
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decimal vs double! - Which one should I use and when? [duplicate]
... have 16 digits - that is only the number of meaningful digits. Floats are based around exponents in base 2 math - some base 10 numbers are corrupted because they are an infinite series if converted to a base 2 exp, in binary float math 0.1 * 0.1 != 0.01 because 0.1 cannot be represented exactly. Ma...
Win32汇编--使用MASM - C/C++ - 清泛网 - 专注C/C++及内核技术
...大，可以有很多种类型，在DOS的可执行程序中，有只用到64KB的.com文件，也有大大小小的.exe文件。到了Win32环境下，又有了可以用4GB内存的PE格式可执行文件，编写不同类型的可执行文件要用.model语句定义不同的参数，具体如下 ...
How to get all of the immediate subdirectories in Python
... return the directory with the final slash (as unix would) while most path based solutions will omit the final slash.
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Print number of keys in Redis
...uild_id:b63575307aaffe0a
redis_mode:standalone
os:Linux 5.4.0-1017-aws x86_64
arch_bits:64
multiplexing_api:epoll
atomicvar_api:atomic-builtin
gcc_version:9.3.0
process_id:2854672
run_id:90a5246f10e0aeb6b02cc2765b485d841ffc924e
tcp_port:6379
uptime_in_seconds:2593097
uptime_in_days:30
hz:10
configur...
count the frequency that a value occurs in a dataframe column
...columns you can use:
df.apply(pd.value_counts)
This will apply a column based aggregation function (in this case value_counts) to each of the columns.
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Add native files from NuGet package to project output directory
...les in all child directories of the build directory. So to add an x86 and x64 version of a native library used by an Any CPU managed assembly you would end up with a directory structure similar to the following:
build
x86
NativeLib.dll
NativeLibDependency.dll
x64
NativeLib.dll
NativeLibDepe...
How to reformat JSON in Notepad++?
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A 64-bit version can be downloaded directly from here: notepad-plus-plus.org/community/topic/13064/…
– brentlightsey
Aug 14 '17 at 21:20
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Calculating arithmetic mean (one type of average) in Python
...red Dec 28 '13 at 22:38
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