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No connection could be made because the target machine actively refused it?

Sometimes I get the following error while I was doing HttpWebRequest to a WebService. I copied my code below too. 28 Answer...
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What is the difference between require() and library()?

...parameter of install.packages(), such as install.packages(package, repos="http://cran.us.r-project.org") You can wrap require() and library() in suppressPackageStartupMessages() to, well, suppress package startup messages, and also use the parameters require(..., quietly=T, warn.conflicts=F) if ne...
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How to Vertical align elements in a div?

... css-tricks.com/centering-css-complete-guide <-- some good options presented here, have found myself resorting to the table/table-cell solution most of the time though – shaunhusain Feb 21 '16 at...
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Test if string is a guid without throwing exceptions?

...e-Screen: 10,000 good: 637,633 ticks 10,000 bad: 717,894 ticks COM Interop CLSIDFromString 10,000 good: 126,120 ticks 10,000 bad: 23,134 ticks COM Intertop (Fastest) Answer: /// <summary> /// Attempts to convert a string to a guid. /// </summary> /// <param ...
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How do you run JavaScript script through the Terminal?

...between rhino and spidermonkey (both are Mozilla creations): stackoverflow.com/questions/3563909/rhino-vs-spidermonkey – Kelvin Jun 1 '12 at 16:48 3 ...
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How to deal with “java.lang.OutOfMemoryError: Java heap space” error?

...them in the first place. One option which I have used in the past is "JMP" http://www.khelekore.org/jmp/. If you determine that you are allocating these objects for a reason and you need to keep around references (depending on what you are doing this might be the case), you will just need to increa...
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Launch an app from within another (iPhone)

... As Kevin points out, URL Schemes are the only way to communicate between apps. So, no, it's not possible to launch arbitrary apps. But it is possible to launch any app that registers a URL Scheme, whether it's Apple's, yours, or another developer's. The docs are here: Commu...
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Check whether user has a Chrome extension installed

...JS classes for extensions), but an indirect method (until something better comes along): Have your Chrome extension look for a specific DIV or other element on your page, with a very specific ID. For example: <div id="ExtensionCheck_JamesEggersAwesomeExtension"></div> Do a getElemen...
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PHP abstract properties

...vate in the parent it will remain private and not available to the child. http://www.php.net//manual/en/language.oop5.static.php abstract class AbstractFoo { public $bar; final public function __construct() { $this->bar = static::BAR; } } class Foo extends AbstractFoo {...
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How to determine the version of the C++ standard used by the compiler?

...w do you determine what version of the C++ standard is implemented by your compiler? As far as I know, below are the standards I've known: ...