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How to pip or easy_install tkinter on Windows

... edited Jan 10 at 19:42 User123 25322 silver badges1717 bronze badges answered Nov 18 '13 at 9:52 IcyFlame...
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Capturing Groups From a Grep RegEx

...he following examples and more, which may not be what you're looking for: 123_abc_d4e5 xyz123_abc_d4e5 123_abc_d4e5.xyz xyz123_abc_d4e5.xyz To eliminate the second and fourth examples, make your regex like this: ^[0-9]+_([a-z]+)_[0-9a-z]* which says the string must start with one or more digit...
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How to query nested objects?

...r is a subdocument that contains only the field company with the value 'ABC123' and the field address with the value '123 Street', in the exact order: db.inventory.find( { producer: { company: 'ABC123', address: '123 Street' } }); ...
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Check if a string contains a number

...RE_D.search(string) # Output from iPython # In [18]: %timeit f1('assdfgag123') # 1000000 loops, best of 3: 1.18 µs per loop # In [19]: %timeit f2('assdfgag123') # 1000000 loops, best of 3: 923 ns per loop # In [20]: %timeit f3('assdfgag123') # 1000000 loops, best of 3: 384 ns per loop ...
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Decimal number regular expression, where digit after decimal is optional

...pace & comments in regular expression) For example, it will match: 123 23.45 34. .45 -123 -273.15 -42. -.45 +516 +9.8 +2. +.5 And will reject these non-numbers: . (single decimal point) -. (negative decimal point) +. (plus decimal point) (empty string) The simpler solutions can incorre...
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社交应用组件 · App Inventor 2 中文网

...框组件可能不适用于所有手机。例如,在3.0之前的Android系统上,它无法选择电话号码,并且电子邮件地址列表将仅包含一封电子邮件。 属性 背景颜色 设置联系人选择框的背景颜色,使用RGBA数值表示,如果设置了图像属性...
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How did I get a value larger than 8 bits in size from an 8-bit integer?

...th c = c - 1 and the values remained within the range [-128 ... 127]: c: -123 c: -124 c: -125 c: -126 c: -127 c: -128 // about to overflow c: 127 // woop c: 126 c: 125 c: 124 c: 123 c: 122 Freaky ey? I don't know much about what the compiler does to expressions like i++ or i--. It's likely promo...
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[精华] VC中BSTR、Char和CString类型的转换 - C/C++ - 清泛网 - 专注C/C++及内核技术

...scpy)的第二个参数是 const wchar_t* (Unicode)或const char* (ANSI),系统编译器将会自动对其进行转换。 方法三,使用CString::GetBuffer。例如: CString s(_T("This is a test ")); LPTSTR p = s.GetBuffer(); // 在这里添加使用p的代码 if(p != NULL) *p = _T('...
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HTML.ActionLink vs Url.Action in ASP.NET Razor

... @Html.ActionLink("link text", "someaction", "somecontroller", new { id = "123" }, null) generates: <a href="/somecontroller/someaction/123">link text</a> and Url.Action("someaction", "somecontroller", new { id = "123" }) generates: /somecontroller/someaction/123 There is also Ht...
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Query-string encoding of a Javascript Object

..."); } console.log(serialize({ foo: "hi there", bar: { blah: 123, quux: [1, 2, 3] } })); // foo=hi%20there&bar%5Bblah%5D=123&bar%5Bquux%5D%5B0%5D=1&bar%5Bquux%5D%5B1%5D=2&bar%5Bquux%5D%5B2%5D=3 ...