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如何查看Android应用.apk是32位还是64位? - App应用开发 - 清泛IT社区,为创新赋能!

...APK文件的信息,包括其支持的架构。 aapt dump badging your_app.apk | grep native-code 这条命令会输出APK支持的架构信息。aapt工具包含在Android SDK的Build-tools中。 请注意,如果一个APK支持多个架构,那么它会被认为是兼容的,因为And...
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Convert decimal to hexadecimal in UNIX shell script

...e=16; 123456" | bc. So the way to deal with arbitrary numbers of integers all on one line is to put each number on its own line: tr ' ' '\015' <input | bc (map blanks to newlines). – Jonathan Leffler Dec 25 '08 at 20:40 ...
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Return HTTP status code 201 in flask

... You can read about it here. return render_template('page.html'), 201 share | improve this answer | follow | ...
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How to get all possible combinations of a list’s elements?

...ave a list with 15 numbers in, and I need to write some code that produces all 32,768 combinations of those numbers. 27 An...
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How do you run a single test/spec file in RSpec?

...tests — for the one file I'm editing, for example. rake spec executes all the specs. My project is not a Rails project, so rake spec:doc doesn't work. ...
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Detect if stdin is a terminal or pipe?

... Summary For many use cases the POSIX function isatty() is all what it is needed to detect if stdin is connected to a terminal. A minimal example: #include <unistd.h> #include <stdio.h> int main(int argc, char **argv) { if (isatty(fileno(stdin))) puts("stdin is co...
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Order discrete x scale by frequency/value

... rearrange it so that it is ordered by the value of the y-axis (i.e., the tallest bar will be positioned on the left). 5 An...
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ThreadStatic v.s. ThreadLocal: is generic better than attribute?

...low is the simple demonstration: public static ThreadLocal<int> _threadlocal = new ThreadLocal<int>(() => { return Thread.CurrentThread.ManagedThreadId; }); public static void Main() { new Thread(() => { ...
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Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?

... If you have several versions of Python installed, /usr/bin/env will ensure the interpreter used is the first one on your environment's $PATH. The alternative would be to hardcode something like #!/usr/bin/python; that's ok, but less flexible. In Unix, an executable f...
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ASP.NET MVC 4 Custom Authorize Attribute with Permission Codes (without roles)

...e : AuthorizeAttribute, IAuthorizationFilter { private readonly string _claim; public ClaimAuthorizeAttribute(string Claim) { _claim = Claim; } public void OnAuthorization(AuthorizationFilterContext context) { var user = context.HttpContext.User; if(...