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Why are dashes preferred for CSS selectors / HTML attributes?

...ops. Also, using hyphens allows you to take advantage of the |= attribute selector, which selects any element containing the text, optionally followed by a dash: span[class|="em"] { font-style: italic; } This would make the following HTML elements have italic font-style: <span class="em">...
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SublimeText encloses lines in white rectangles

...o do not like the white rectangle, so I opted for fills. { /* Selects the way the lines with errors or warnings are marked; "outline" (default) draws outline boxes around the lines, "fill" fills the lines with the outline color, and "none" disables all outline styles ...
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Socket File “/var/pgsql_socket/.s.PGSQL.5432” Missing In Mountain Lion (OS X Server)

...I was using '127.0.0.1', but then I moved my code to production (Debian 7) and had to change it to ''. It is kind of weird that they give such an error message that leads one to believe that the problem might be somewhere else. – fang_dejavu Dec 29 '14 at 14:1...
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Access restriction on class due to restriction on required library rt.jar?

...ings in the project properties. Remove the JRE System Library Add it back; Select "Add Library" and select the JRE System Library. The default worked for me. This works because you have multiple classes in different jar files. Removing and re-adding the JRE lib will make the right classes be first...
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Difference between File.separator and slash in paths

What is the difference between using File.separator and a normal / in a Java Path-String? 14 Answers ...
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Java: Clear the console

...ws, here is a clarification: Runtime.getRuntime().exec("cls"); This command does not work, for two reasons: There is no executable named cls.exe or cls.com in a standard Windows installation that could be invoked via Runtime.exec, as the well-known command cls is builtin to Windows’ command l...
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How to style SVG with external CSS?

...pport SVG </object> <script> var svgHolder = document.querySelector('object#dynamic-svg'); svgHolder.onload = function () { var svgDocument = svgHolder.contentDocument; var style = svgDocument.createElementNS("http://www.w3.org/2000/svg", "style"); // Now...
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How to read contacts on Android 2.0

..., ContactsContract.Contacts.HAS_PHONE_NUMBER, }; String SELECTION = ContactsContract.Contacts.HAS_PHONE_NUMBER + "='1'"; Cursor contacts = managedQuery(contactUri, PROJECTION, SELECTION, null, null ); The above chunk of code returns a Cursor that points to the resulting query t...
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Difference between wait() and sleep()

What is the difference between a wait() and sleep() in Threads? 33 Answers 33 ...
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Benchmarking (python vs. c++ using BLAS) and (numpy)

I would like to write a program that makes extensive use of BLAS and LAPACK linear algebra functionalities. Since performance is an issue I did some benchmarking and would like know, if the approach I took is legitimate. ...