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How do I find out which keystore was used to sign an app?

... First, unzip the APK and extract the file /META-INF/ANDROID_.RSA (this file may also be CERT.RSA, but there should only be one .RSA file). Then issue this command: keytool -printcert -file ANDROID_.RSA You will get certificate fingerprints like this: MD5: B3:4F:BE:07:AA:7...
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Configure Flask dev server to be visible across the network

... Add below lines to your project if __name__ == '__main__': app.debug = True app.run(host = '0.0.0.0',port=5005) share | improve this answer ...
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Separation of business logic and data access in django

...ule and each command is represented as a function. services.py def activate_user(user_id): user = User.objects.get(pk=user_id) # set active flag user.active = True user.save() # mail user send_mail(...) # etc etc Using forms The other way is to use a Django Form for e...
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How to get a variable name as a string in PHP?

... You could use get_defined_vars() to find the name of a variable that has the same value as the one you're trying to find the name of. Obviously this will not always work, since different variables often have the same values, but it's the only...
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How do I capture SIGINT in Python?

...ignal like this: #!/usr/bin/env python import signal import sys def signal_handler(sig, frame): print('You pressed Ctrl+C!') sys.exit(0) signal.signal(signal.SIGINT, signal_handler) print('Press Ctrl+C') signal.pause() Code adapted from here. More documentation on signal can be found here....
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STL中map容器使用自定义key类型报错详解 - C/C++ - 清泛网 - 专注C/C++及内核技术

...定义一个结构体来试试:[cpp]view plaincopystructa{char*pName;intm_a;} 引言 STL的map容器中,key的类型是不是随意的呢? 实践 编写测试代码 定义一个结构体来试试: struct a { char* pName; int m_a; }; ... map<a, int> mp; a ...
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How to crop circular area from bitmap in Android

...createBitmap(bitmap.getWidth(), bitmap.getHeight(), Config.ARGB_8888); Canvas canvas = new Canvas(output); final int color = 0xff424242; final Paint paint = new Paint(); final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight()); paint.setAntiAlias(true...
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Repeat string to certain length

... def repeat_to_length(string_to_expand, length): return (string_to_expand * ((length/len(string_to_expand))+1))[:length] For python3: def repeat_to_length(string_to_expand, length): return (string_to_expand * (int(length/len(s...
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Build the full path filename in Python

... This works fine: os.path.join(dir_name, base_filename + "." + filename_suffix) Keep in mind that os.path.join() exists only because different operating systems use different path separator characters. It smooths over that difference so cross-platform code d...
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Iterating C++ vector from the end to the beginning

... The best way is: for (vector&lt;my_class&gt;::reverse_iterator i = my_vector.rbegin(); i != my_vector.rend(); ++i ) { } rbegin()/rend() were especially designed for that purpose. (And yes, incrementing a reverse_interator moves it backward.) Now...