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What does “not run” mean in R help pages?

...urpose of illustration, it’s often useful to include code that causes an error. \dontrun{} allows you to include code in the example that is never used. There are two other special commands. \dontshow{} is run, but not shown in the help page: this can be useful for informal tests. \donttest{} is r...
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What's the reason I can't create generic array types in Java?

...; Object[] oa = bsa; oa[0] = new Box<Integer>(3); // error not caught by array store check String s = bsa[0].x; // BOOM! } } We had proposed to resolve this problem using statically safe arrays (aka Variance) bute that was rejected for Tiger. -- gaf...
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How to format a float in javascript?

...est for ex. 451.175 it will be ok - 451.18. So it's difficult to spot this error at a first glance. The problem is with multiplying: try 551.175 * 100 = 55117.49999999999 (ups!) So my idea is to treat it with toFixed() before using Math.round(); function roundFix(number, precision) { var mult...
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SVN: Folder already under version control but not comitting?

...t; Team -> Add to Version Control) You will see the following Eclipse error message: org.apache.subversion.javahl.ClientException: Entry already exists svn: 'PathToYouProject' is already under version control After that you have to open your workspace directory in your explorer, select your ...
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MLKitSmartReply 拓展:智能回复建议(仅英语) · App Inventor 2 中文网

...对话发生的先后顺序喂入消息,再生成建议。 when 按钮_收到消息.Click() { SmartReply1.AddRemoteMessage("Are you free this weekend?", "friend") SmartReply1.SuggestReplies() } when SmartReply1.GotSuggestions(count, suggestions) { 列表显示框_建议.Elements = suggestio...
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Difference between @import and link in CSS

...se it seems MSIE9 issues two incorrect requests to the server, getting 404 errors I could do without: [ip] - - [21/Dec/2019:05:49:28 +0000] "GET /screen.css HTTP/1.1" 200 2592 "https://ssb22.user.srcf.net/zhimo/"; "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0; Trident/5.0)" ssb22...
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?: operator (the 'Elvis operator') in PHP

...the variable in the parenthesis exists though, or you're going to raise an error. PHP will not just assume it having a value of null or anything. Just sayin' – DanMan Aug 13 '15 at 11:10 ...
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What are the differences between json and simplejson Python modules?

...plejson from timeit import repeat NUMBER = 100000 REPEAT = 10 def compare_json_and_simplejson(data): """Compare json and simplejson - dumps and loads""" compare_json_and_simplejson.data = data compare_json_and_simplejson.dump = json.dumps(data) assert json.dumps(data) == simplejson...
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What in the world are Spring beans?

...er. – Flame of udun Oct 5 '18 at 16:05 I've realized today that "object objects" (and therefore object instances) actu...
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Permutations in JavaScript?

...lementation to the following benchmark.js test suite: function permute_SiGanteng(input) { var permArr = [], usedChars = []; function permute(input) { var i, ch; for (i = 0; i < input.length; i++) { ch = input.splice(i, 1)[0]; usedChars.push(ch); if...