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Formatting Decimal places in R

... Background: Some answers suggested on this page (e.g., signif, options(digits=...)) do not guarantee that a certain number of decimals are displayed for an arbitrary number. I presume this is a design feature in R whereby good scientific ...
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Are negative array indexes allowed in C?

I was just reading some code and found that the person was using arr[-2] to access the 2nd element before the arr , like so: ...
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A type for Date only in C# - why is there no Date type?

In our C# project we have the need for representing a date without a time. I know of the existence of the DateTime, however, it incorporates a time of day as well. I want to make explicit that certain variables and method-arguments are date-based . Hence I can't use the DateTime.Date property ...
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ios Upload Image and Text using HTTP POST

...app to post an image to our web server: // Dictionary that holds post parameters. You can set your post parameters that your server accepts or programmed to accept. NSMutableDictionary* _params = [[NSMutableDictionary alloc] init]; [_params setObject:[NSString stringWithString:@"1.0"] forKey:[NSStr...
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How do I do a bulk insert in mySQL using node.js

How would one do a bulk insert into mySQL if using something like https://github.com/felixge/node-mysql 12 Answers ...
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The transaction manager has disabled its support for remote/network transactions

...cal DTC) for which you want to enable Network MS DTC Access. On the Action menu, click Properties. Click the Security tab and make the following changes: In Security Settings, select the Network DTC Access check box. In Transaction Manager Communication, select the Allow Inbound and Allow Outbound ...
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How to make fill height

... Work for me in IE11 only when I also set div to inline-block. Thanks! – Danny C Sep 24 '15 at 12:06 5 ...
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Open another application from your own (intent)

...eActivityInfo you're interested in From the ActivityInfo, get the packageName and name Finally, create another intent with with category=LAUNCHER, action=MAIN, componentName = new ComponentName(packageName, name) and setFlags(Intent.FLAG_ACTIVITY_NEW_TASK) Finally, context.startActivity(newIntent) ...
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What is an Android PendingIntent?

I am a newbie to Android. I read the Android Documentation but I still need some more clarification. Can anyone tell me what exactly a PendingIntent is? ...
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Is this the right way to clean-up Fragment back stack when leaving a deeply nested stack?

I'm using the Android Compatibility library to implement fragments and have extended the layout sample so that a fragment contains a button which fires off another fragment. ...