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Concat all strings inside a List using LINQ

... I am all for LINQ solutions but this is more efficient than LINQ and the Aggregate() method. – andleer Feb 20 '09 at 18:29 ...
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Can I disable a CSS :hover effect via JavaScript?

... and CSS a little bit, it saves you having to reset every CSS property manually via JavaScript. HTML <body class="nojQuery"> CSS /* Limit the hover styles in your CSS so that they only apply when the nojQuery class is present */ body.nojQuery ul#mainFilter a:hover { /* CSS-only hove...
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How can I make pandas dataframe column headers all lowercase?

I want to make all column headers in my pandas data frame lower case 5 Answers 5 ...
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Configure Log4net to write to multiple files

...value="true" /> </appender> <root> <level value="ALL" /> <appender-ref ref="SomeName" /> </root> <logger additivity="false" name="Summary"> <level value="DEBUG"/> <appender-ref ref="Summary" /> </logger> </log4net&...
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Tool for adding license headers to source files? [closed]

...tures: handles UTF headers (important for most IDEs) recursively updates all files in target directory passing given mask (modify the .endswith parameter for the filemask of your language (.c, .java, ..etc) ability to overwrite previous copyright text (provide old copyright parameter to do this) o...
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select * vs select column

... It always pulls a tuple (except in cases where the table has been vertically segmented - broken up into columns pieces), so, to answer the question you asked, it doesn't matter from a performance perspective. However, for many other reasons, (below) you should always select specifically those co...
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Using an RDBMS as event sourcing storage

...state-based persistence). Therefore I wouldn't recommend option 1 and 2 at all. Below is the schema as used in Ncqrs. As you can see, the table "Events" stores the related data as a CLOB (i.e. JSON or XML). This corresponds to your option 3 (Only that there is no "ProductEvents" table because you o...
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Build Android Studio app via command line

... Android Studio automatically creates a Gradle wrapper in the root of your project, which is how it invokes Gradle. The wrapper is basically a script that calls through to the actual Gradle binary and allows you to keep Gradle up to date, which makes...
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Print content of JavaScript object? [duplicate]

Typically if we just use alert(object); it will show as [object Object] . How to print all the content parameters of an object in JavaScript? ...
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How do I give text or an image a transparent background using CSS?

... The first hex number defines the alpha value of the color. Full solution all browsers: .alpha60 { /* Fallback for web browsers that doesn't support RGBa */ background: rgb(0, 0, 0) transparent; /* RGBa with 0.6 opacity */ background: rgba(0, 0, 0, 0.6); /* For IE 5.5 - 7*/ ...