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I didn't find “ZipFile” class in the “System.IO.Compression” namespace

...the project node and click Add Reference. In the Add Reference dialog box, select the tab indicating the type of component you want to reference. Select the components you want to reference, and then click OK. From the MSDN Article, How to: Add or Remove References By Using the Add Reference Dialo...
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How can I get Eclipse to show .* files?

...there is a little down arrow. Tool tip will say view menu. From that menu, select filters From there, uncheck .* resources. So Package Explorer -> View Menu -> Filters -> uncheck .* resources. With Eclipse Kepler and OS X this is a bit different: Package Explorer -> Customize View ...
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Delete column from pandas DataFrame

...the original data can be modified without creating a copy. Popped Column selection, addition, deletion Delete column column-name: df.pop('column-name') Examples: df = DataFrame.from_items([('A', [1, 2, 3]), ('B', [4, 5, 6]), ('C', [7,8, 9])], orient='index', columns=['one', 'two', 'three']) ...
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HttpUtility does not exist in the current context

...e" in the Solution Explorer Choose "Add Reference" Check the ".NET" tab is selected. Search for, and add "System.Web". share | improve this answer | follow | ...
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How to check if a model has a certain column/attribute?

... For bonus points use Hash#select: number_hash.select { |key, value| Number.column_names.include? key } – hgmnz Nov 10 '09 at 18:31 ...
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CSS selector for text input fields?

How can I target input fields of type 'text' using CSS selectors? 9 Answers 9 ...
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How to check if activity is in foreground or in visible background?

...stem dialogue box pops-up and I only want to finish() ; once the user has selected an option from the dialogue box? 23 An...
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#define macro for debug printing in C?

...GS__) : 0)) This leaves the program fragment shown as valid. The (void) cast prevents it being used in contexts where a value is required — but it could be used as the left operand of a comma operator where the do { ... } while (0) version cannot. If you think you should be able to embed debug...
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Is it possible to embed animated GIFs in PDFs?

...mes by making a fake loop. Open the Gif in Photoshop View the timeline Select all the instances and duplicate them (I did it 10 times) Export as a MP4 Open up your PDF and go to TOOLS> RICH MEDIA>ADD VIDEO> then place the video of your gif where you would want it A window comes up, be s...
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Is it true that one should not use NSLog() on production code?

...ions to control the defining (or lack of defining) the DEBUG_MODE. If you select "Debug" active configuration, DEBUG_MODE will be defined, and the macro expands to the full NSLog definition. Selecting the "Release" active configuration will not define DEBUG_MODE and your NSLogging is omitted from ...