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Escaping regex string

...this: 4.2.3 re Module Contents escape(string) Return string with all non-alphanumerics backslashed; this is useful if you want to match an arbitrary literal string that may have regular expression metacharacters in it. A simplistic example, search any occurence of the provided string opt...
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Why can't I use background image and color together?

...ou set the background-color and background-image styles. If the image is smaller than the element, you need to use the background-position style to place it to the right, and to keep it from repeating and covering the entire background you use the background-repeat style: background-color: green; b...
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Input placeholders for Internet Explorer

HTML5 introduced the placeholder attribute on input elements, which allows to display a greyed-out default text. 17 Ans...
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How to disable HTML button using JavaScript?

I’ve read that you can disable (make physically unclickable) an HTML button simply by appending disable to its tag, but not as an attribute, as follows: ...
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Check whether a path is valid in Python without creating a file at the path's target

... I need to test if the file-name is a valid, e.g. if the file-system will allow me to create a file with such a name. The file-name has some unicode characters in it. ...
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Visual Studio support for new C / C++ standards?

I keep reading about C99 and C++11 and all these totally sweet things that are getting added to the language standard that might be nice to use someday. However, we currently languish in the land of writing C++ in Visual Studio. ...
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Visual Studio popup: “the operation could not be completed”

...ed in the solution file (like the starting project) and other things. Normally you can delete the .suo file without problems. You might have to set the StartUp Project for your solution afterwards. Just to stay on the safe way, you can rename the .suo file, and then retry to start the solution, to...
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How to use if - else structure in a batch file?

...stion about if - else structure in a batch file. Each command runs individually, but I couldn't use "if - else" blocks safely so these parts of my programme doesn't work. How can I do make these parts run? Thank you. ...
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Markup XML解析库下载(Markup.h 和 Markup.cpp) - 源码下载 - 清泛网 - 专注C/C++及内核技术

... Markup Release 11.1 // Copyright (C) 2009 First Objective Software, Inc. All rights reserved // Go to www.firstobject.com for the latest CMarkup and EDOM documentation // Use in commercial applications requires written permission // This software is provided "as is", with no warranty. #if !d...
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Use a normal link to submit a form

...ipt fails, it can break the whole website (e.g. using a CDN without local fallback and the third-party domain is blocked). If there is an HTML error, you can still use the website. Developers should follow progressive enhancement principle instead. – baptx Oct ...