大约有 16,000 项符合查询结果(耗时:0.0405秒) [XML]

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How do I check OS with a preprocessor directive?

...tform_name() { return (PLATFORM_NAME == NULL) ? "" : PLATFORM_NAME; } int main(int argc, char *argv[]) { puts(get_platform_name()); return 0; } Tested with GCC and clang on: Debian 8 Windows (MinGW) Windows (Cygwin) ...
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Sound alarm when code finishes

.... On Linux and Mac import os duration = 1 # seconds freq = 440 # Hz os.system('play -nq -t alsa synth {} sine {}'.format(duration, freq)) In order to use this example, you must install sox. On Debian / Ubuntu / Linux Mint, run this in your terminal: sudo apt install sox On Mac, run this in...
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Calculate relative time in C#

...return ts.Days + " days ago"; if (delta < 12 * MONTH) { int months = Convert.ToInt32(Math.Floor((double)ts.Days / 30)); return months <= 1 ? "one month ago" : months + " months ago"; } else { int years = Convert.ToInt32(Math.Floor((double)ts.Days / 365)); return years <= 1 ? "one y...
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Pad a string with leading zeros so it's 3 characters long in SQL Server 2008

...e( @pad , @width-len(convert(varchar(100),@x)) ) + convert(varchar(100),@x) However, if you're dealing with negative values, and padding with leading zeroes, neither this, nor other suggested te...
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wget/curl large file from google drive

...content(response, destination) if __name__ == "__main__": import sys if len(sys.argv) is not 3: print("Usage: python google_drive.py drive_file_id destination_file_path") else: # TAKE ID FROM SHAREABLE LINK file_id = sys.argv[1] # DESTINATION FILE ON...
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Programmatically set height on LayoutParams as density-independent pixels

... You need to convert your dip value into pixels: int height = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, <HEIGHT>, getResources().getDisplayMetrics()); For me this does the trick. ...
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ImportError: No module named PIL

...ommand is. The two should match well enough. Or, better: python -c 'import sys; print sys.path' will tell you where your python command looks for modules (print(sys.path), for Python 3). – Eric O Lebigot Oct 26 '17 at 8:34 ...
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All possible array initialization syntaxes

...ven array element type. In the third one, the elements must be implicitly convertible to the element type, and the size is determined from the number of elements given. In the fourth one the type of the array element is inferred by computing the best type, if there is one, of all the given element...
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How to convert a byte array to a hex string in Java?

... I just found javax.xml.bind.DataTypeConverter, part of the standard distribution. Why doesn't this come up when you Google this kind of problem? Lots helpful tools, including String printHexBinary(byte[]) and byte[] parseHexBinary(String). printHexBinary is, ...
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What is the fastest way to send 100,000 HTTP requests in Python?

...from urlparse import urlparse from threading import Thread import httplib, sys from Queue import Queue concurrent = 200 def doWork(): while True: url = q.get() status, url = getStatus(url) doSomethingWithResult(status, url) q.task_done() def getStatus(ourl): ...