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How to check if object (variable) is defined in R?

... looking for exists. Keep in mind that using exists with names used by R's base packages would return true regardless of whether you defined the variable: > exists("data") [1] TRUE To get around this (as pointed out by Bazz; see ?exists), use the inherits argument: > exists("data", inherit...
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Hidden Features of VB.NET?

... 64 Answers 64 Active ...
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HTTP Error 404.3 - Not Found" while browsing wcf service on Windows Server 2008(64bit)

I am developing an application based on .Net Framework 3.5 sp1 and hosted on windows server 2008(64bit). 7 Answers ...
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How to make a phone call using intent in Android?

... This demo will helpful for you... On call button click: Intent intent = new Intent(Intent.ACTION_CALL, Uri.parse("tel:" + "Your Phone_number")); startActivity(intent); Permission in Manifest: <uses-permission android:nam...
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How to get an absolute file path in Python

... Today you can also use the unipath package which was based on path.py: http://sluggo.scrapping.cc/python/unipath/ >>> from unipath import Path >>> absolute_path = Path('mydir/myfile.txt').absolute() Path('C:\\example\\cwd\\mydir\\myfile.txt') >>> str...
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php implode (101) with quotes

..."'%s'", $str); } $csv = implode(',', array_map('add_quotes', $array)); DEMO Also note that there is fputcsv if you want to write to a file. share | improve this answer | ...
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[SOLVED] Can't send payload > 23bytes(MTU setted to 128bytes) - #9 by ...

...or(".preloader-image") if(splashImage){splashImage.src=`data:image/svg+xml;base64,${encodedSvg}` const e=(performance.timing.connectStart||0)+2e3 let s,a const r=()=>{splashWrapper&&splashWrapper.style.setProperty("--animation-state","running"),svgElement&&svgElement.style.setProperty("--animation-s...
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Does ruby have real multithreading?

... with: jruby 1.5.6 (ruby 1.8.7 patchlevel 249) (2014-02-03 6586) (OpenJDK 64-Bit Server VM 1.7.0_75) [amd64-java] The second is with: ruby 2.1.2p95 (2014-05-08) [x86_64-linux-gnu] Interestingly, the CPU is higher for JRuby threads, but the time to completion is slightly shorter for the interpre...
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Adding a parameter to the URL with JavaScript

...rch = params; } This is approximately twice as fast as a regex or search based solution, but that depends completely on the length of the querystring and the index of any match the slow regex method I benchmarked against for completions sake (approx +150% slower) function insertParam2(key,valu...
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Java maximum memory on Windows XP

...oing through your DLL bindings in your JVM process and look at trying to rebase your DLL's in to a more compact address space. Not fun, but if you are desperate... Alternatively, you can just switch to 64-bit Windows and a 64-bit JVM. Despite what others have suggested, while it will chew up more R...