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What is sr-only in Bootstrap 3?

...span></a></b></li> </ul> You see which one is selected (sr-only part is hidden): Default Static top Fixed top You hear which one is selected if you use screen reader: Default Static top Fixed top (current) As a result of this technique blind people supposed to na...
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How can I match on an attribute that contains a certain string?

I am having a problem selecting nodes by attribute when the attributes contains more than one word. For example: 10 Answer...
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Remove rows with all or some NAs (missing values) in data.frame

...na.omit is nicer for just removing all NA's. complete.cases allows partial selection by including only certain columns of the dataframe: > final[complete.cases(final[ , 5:6]),] gene hsap mmul mmus rnor cfam 2 ENSG00000199674 0 2 2 2 2 4 ENSG00000207604 0 NA NA ...
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IIS Express Windows Authentication

... and the <UseGlobalApplicationHostFile> option in the project file selects the default or solution-specific config file. share | improve this answer | follow ...
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How can I determine what font a browser is actually using to render some text?

...that, but Safari needs you to copy some text and investigate that. First, select some text. In Firefox, the Page Inspector has a Fonts view: This will also tell you if fonts were downloaded, and which style is used, such as Regular, ExtraLight, Italic, BoldItalic and all. For Chrome, go into De...
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How to reset a form using jQuery with .reset() method

... no conflicting ID :( i'm trying to select layer by layer and check if the click works – yvonnezoe May 9 '13 at 2:16 1 ...
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How to git-cherry-pick only changes to certain files?

... You can also unstage selectively with git reset -p HEAD. It's the equivalent of add -p but very few know that it exists. – Patrick Schlüter Mar 14 '17 at 9:09 ...
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What is a NullReferenceException, and how do I fix it?

... to find out where the reference is or isn't set, right-click its name and select "Find All References". You can then place a breakpoint at every found location and run your program with the debugger attached. Every time the debugger breaks on such a breakpoint, you need to determine whether you exp...
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How to deal with SettingWithCopyWarning in Pandas?

...owing, which does not always work as expected, particularly when the first selection returns a copy. [see GH5390 and GH5597 for background discussion.] df[df['A'] > 2]['B'] = new_val # new_val not set in df The warning offers a suggestion to rewrite as follows: df.loc[df['A'] > 2, 'B'] =...
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How to convert TimeStamp to Date in Java?

... .atStartOfDay( ZoneId.of( "Africa/Tunis" ) ) .toEpochSecond() … "SELECT * FROM orders WHERE placed >= ? AND placed < ? ; " … myPreparedStatement.setObject( 1 , start ) myPreparedStatement.setObject( 2 , stop ) java.time You are using troublesome old date-time classes that are...