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Batch file to copy files from one folder to another folder

... xcopy.exe is definitely your friend here. It's built into Windows, so its cost is nothing. Just xcopy /s c:\source d:\target You'd probably want to tweak a few things; some of the options we also add include these: /s/e - recursive copy, including copying empty directories. /v - ad...
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UIWebView open links in Safari

...ng Safari) is closed. If you want to get back to your app when the user is done browsing, don't open up Safari, just use the UIWwbView and a "Done"-button. – geon Jul 8 '11 at 16:03 ...
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Is it possible to change only the alpha of a rgba background colour on hover?

...ound-color: rgba(var(--rgb), 1); } To understand how this works, see How do I apply opacity to a CSS color variable? If custom properties are not an option, see the original answer below. Unfortunately, no, you'll have to specify the red, green and blue values again for each individual class: ...
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MVC4 DataType.Date EditorFor won't display date value in Chrome, fine in Internet Explorer

... What would be the way of doing this "globally" for all properties marked [DataType(DataType.Date)] so I wouldn't have to mark all these properties separately with the risk of missing some? – Marjan Venema Jul 20...
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What is the best way to implement constants in Java? [closed]

... You can even 'import static MaxSeconds.MAX_SECONDS;' so that you don't have to spell it MaxSeconds.MAX_SECONDS – Aaron Maenpaa Sep 15 '08 at 19:42 23 ...
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How to remove a field from params[:something]

...OUT destroying the original passed in params (which is NOT a good thing to do as it will make debugging and maintenance of your code very hard over time). Or you could just pass directly without copying eg: @person.update(params[:person].except(:admin)) The extract! (has the ! bang operator) wi...
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CROSS JOIN vs INNER JOIN in SQL

... Cross join does not combine the rows, if you have 100 rows in each table with 1 to 1 match, you get 10.000 results, Innerjoin will only return 100 rows in the same situation. These 2 examples will return the same result: Cross join s...
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Multiline string literal in C#

...l: string query = @"SELECT foo, bar FROM table WHERE id = 42"; You also do not have to escape special characters when you use this method, except for double quotes as shown in Jon Skeet's answer. share | ...
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php $_POST array empty upon form submission

... @ŁukaszBachman How to do that if dataobject is something like........title=something&body=anything. I want to get the vale of title & body. $dataobject["title"] returns empty. In my case $_POST is empty. And the only way to get it using fi...
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Convert base class to derived class [duplicate]

...pt a base class object as a parameter and copy over the property values. I don't really like this idea, so I'd like to avoid it if possible. ...