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Getting visitors country from their IP

... Follow on: this is an issue when testing a site on localhost. Any way to fix for testing purposes? Uses the standard 127.0.0.1 localhost IP – Nick Feb 6 '17 at 14:18 ...
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App Inventor 2 实现上传文件到服务器全方案总结 · App Inventor 2 中文网

...制流保存为图片 img = request.get_data() with open("test.png", "wb") as f: f.write(img) return 0 # 后面的路径可以自己定义 api.add_resource(receive_pic,'/test') if __name__ == '__main__': app_port = 8081 app.run(host="0.0.0.0", po...
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How do I use a Boolean in Python?

...s snippet is a bit misleading... you still need to define "checker" before testing it. While OP defines it earlier, in your example checker = None is absolutely necessary or you will get a UnboundLocalError – dprogramz Jan 13 '14 at 18:04 ...
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Static class initializer in PHP

...ate constructor and getInstance()... You're going to make it VERY hard to test effectively... At least make it protected so that you have options... – ircmaxell Jul 22 '10 at 20:31 ...
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How do I use extern to share variables between source files?

... for the variable is allocated in another file. Say you have two .c-files test1.c and test2.c. If you define a global variable int test1_var; in test1.c and you'd like to access this variable in test2.c you have to use extern int test1_var; in test2.c. Complete sample: $ cat test1.c int test1_va...
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TypeScript and field initializers

... a class and 2. @JackWester is right, bob is not an instanceof Person. Try alert(bob instanceof Person); In this code example Person is there for Type Assertion purposes only. – Jacques Oct 13 '15 at 10:42 ...
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How do I add a linker or compile flag in a CMake file?

...I try to compile a simple "Hello, World!" program it compiles fine. When I test it by adding a simple exception handling in that code it works too (after adding -fexceptions .. I guess it is disabled by default). ...
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Proper way to catch exception from JSON.parse

...se) { try { a = JSON.parse(response); } catch(e) { alert(e); // error in the above string (in this case, yes)! } } share | improve this answer | ...
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Dynamically updating plot in matplotlib

...e code below: import joystick as jk import numpy as np import time class test(jk.Joystick): # initialize the infinite loop decorator _infinite_loop = jk.deco_infinite_loop() def _init(self, *args, **kwargs): """ Function called at initialization, see the doc ""...
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What is the purpose of using -pedantic in GCC/G++ compiler?

...ening stage when GCC was too noisy (for my liking) with -pedantic. I just tested about 300 source files — some library code, some commands, some SO test programs — and there was just the one to-be-expected problem. Currently using GCC 4.8.2 on Mac OS X 10.9.2. – Jonathan ...