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Pinging servers in Python

... This function works in any OS (Unix, Linux, macOS, and Windows) Python 2 and Python 3 EDITS: By @radato os.system was replaced by subprocess.call. This avoids shell injection vulnerability in cases where your hostname string might not be validated. i...
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Clearing purchases from iOS in-app purchase sandbox for a test user

...t you don't really have to verify your test user email. you can simply put 123@123.com with specify password(that you are still going to use the password in sandbox mode) and it still work. I just tested last night. – sooon May 1 '14 at 12:24 ...
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How do I create a URL shortener?

...on f. This is necessary so that you can find a inverse function g('abc') = 123 for your f(123) = 'abc' function. This means: There must be no x1, x2 (with x1 ≠ x2) that will make f(x1) = f(x2), and for every y you must be able to find an x so that f(x) = y. How to convert the ID to a shortened...
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JavaScript equivalent of jQuery's extend method

...42, prop3: true, prop4: 20.16, }; const obj2 = { prop4: 77.123, propNew1: 'newVal1', propNew2: 71, }; assert.deepEqual(utils.extend(obj1, obj2), { prop1: 'val1', prop2: 42, prop3: true, prop4: 77.123, propNew1: 'newVal1', propNew2: 71, }); }); i...
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How do I use JDK 7 on Mac OSX?

... Oracle has released JDK 7 for OS X. share | improve this answer | follow | ...
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App Inventor 2开发简单计算器 - App Inventor 2 中文网 - 清泛IT论坛,有思想、有深度

...建点击数字过程按照计算器的使用习惯,如果要输入数字123,会依次点击三个数字键,但三个数字的排列要用程序来处理,这里存在两种情况:当后数=0时,即,当用户输入第一个数字时,让后数直接等于输入的数字;当用户接...
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Get css top value as number not as string?

...css(prop)) || 0; }; Usage: $('#elem').cssInt('top'); // e.g. returns 123 as an int $('#elem').cssFloat('top'); // e.g. Returns 123.45 as a float Test fiddle on http://jsfiddle.net/TrueBlueAussie/E5LTu/ share ...
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How to open the default webbrowser using java

... is this a cross-platform solution or Windows only? other answers in this thread suggest to use the Runtime class for Linux – isapir Oct 23 '13 at 4:05 ...
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Access data in package subdirectory

... You can use __file__ to get the path to the package, like this: import os this_dir, this_filename = os.path.split(__file__) DATA_PATH = os.path.join(this_dir, "data", "data.txt") print open(DATA_PATH).read() share ...
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Using Caps Lock as Esc in Mac OS X

How do I make Caps Lock work like Esc in Mac OS X? 14 Answers 14 ...