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What is a non-capturing group in regular expressions?
...tutions. Let's try some examples, shall we?
Imagine you have some kind of XML or HTML (be aware that regex may not be the best tool for the job, but it is nice as an example). You want to parse the tags, so you could do something like this (I have added spaces to make it easier to understand):
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Can I have H2 autocreate a schema in an in-memory database?
...generated changesets from liquibase that use the schema name for generated xml.
– Jaime Hablutzel
Jul 11 '11 at 22:21
2
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CSS does the width include the padding?
... "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
...
</html>
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Copy to Output Directory copies folder structure but only want to copy files
... VS2010, VS2015, VS2017, and VS2019. I prefer this solution because:
The XML is reusable in any project
The "RootContent" is chosen as a Build Action in the Visual Studio UI, just like any other "Content"
The "CopyToOutputDirectory" is obeyed, just as you would expect
The RootContent is added to t...
Set value to null in WPF binding
..., TargetNullValue={x:Static sys:String.Empty}}"/>
sys is the imported xml namespace for System in mscorlib:
xmlns:sys="clr-namespace:System;assembly=mscorlib"
Hope that helped.
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Drawing an image from a data URL to a canvas
...ef|image\/jpeg|image\/jpeg|image\/jpeg|image\/pipeg|image\/png|image\/svg\+xml|image\/tiff|image\/x\-cmu\-raster|image\/x\-cmx|image\/x\-icon|image\/x\-portable\-anymap|image\/x\-portable\-bitmap|image\/x\-portable\-graymap|image\/x\-portable\-pixmap|image\/x\-rgb|image\/x\-xbitmap|image\/x\-xpixmap...
CSS: How to have position:absolute div inside a position:relative div not be cropped by an overflow:
...s change, we get:
And here is the full code with this change:
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<style type="text/css">
/* Positioning */
#box1 { overflow: hidden }
#box2 { position: absol...
How do I create test and train samples from one dataframe with pandas?
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Can someone explain purely in python terms what exactly happens in lines in[12], in[13], in[14]? I want to understand the python code itself here
– kuatroka
May 15 '17 at 17:04
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Stylecop vs FXcop
...nings related to: Whitespace, Formatting, Public method documentation via xml-comments, order of method definition within a class.
FxCop violations might include warning related to: Globalization, tight coupling, cyclomatic complexity, potential null dereferences.
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The differences between .build, .create, and .create! and when should they be used?
...tive can be useful in controllers where respond_with is used for API (JSON/XML) responses. In this case the existence of errors on the object will cause the errors to be returned in the response with a status of unprocessable_entity, which is exactly what you want from an API.
I would always use th...