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What is the performance of Objects/Arrays in JavaScript? (specifically for Google V8)

...; var lastLongI = 1; for(var i=0;i<10000;i++) { var before = Date.now(); for(var j=0;j<arrayCount;j++) dynamicArrays[j][i] = i; var span = Date.now() - before; if (span > 10) { console.log(i + ": " + span + "ms" + " " + (i / lastLongI)); lastLongI =...
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What is the difference between JSON and Object Literal Notation?

...literals, number literals or identifier names as keys (since ES6, keys can now also be computed, which introduces yet another syntax). The values can be any valid JavaScript expression, including function definitions and undefined. Duplicate keys produce defined, specified results (in loose mode, th...
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How to disable the highlight control state of a UIButton?

... Any chance you know what the programmatic version of this would be? Right now I've got it working hackishly by making it disabled, and dressing it up as being selected. – kbanman Feb 17 '10 at 6:50 ...
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Difference between Role and GrantedAuthority in Spring Security

...s added, a profile is assigned to it (having all permissible permissions). Now when ever user try to perform some action, permission/role for that action is checked against user grantedAuthorities. Also the defaultn RoleVoter uses prefix ROLE_, so any authority starting with ROLE_ is considered as ...
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How can I send an email by Java application using GMail, Yahoo, or Hotmail?

... I'd like to know more about that spam limit... I do have to send several emails, should I split them in groups? wait for a specified amount of time? Anybody knows the details of google mails limitations? – opensas ...
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Auto column width in EPPlus

... I know this is an old question, but I use the code below and it seems to directly address what you have tried to do. using (var xls = new ExcelPackage()) { var ws = xls.Workbook.Worksheets.Add("Some Name"); //**Add Col...
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How to handle Back button with in the dialog?

... I know I'm too late, but thought to point to something. This additionally will also get triggered when the user clicks somewhere outside the dialog. So if you need to only override the back press option then this is not what you...
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Can't access RabbitMQ web management interface after fresh install

... test administrator rabbitmqctl set_permissions -p / test ".*" ".*" ".*" Now you can access using test test. share | improve this answer | follow | ...
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Can you change what a symlink points to after it is created?

... alternately. Editor's note: This is how Capistrano has done it for years now, ever since ~2.15. See this pull request. share | improve this answer | follow |...
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.NET / C# - Convert char[] to string

...r just above is my 2nd high-est voted answer on the site. In fact I'm here now because someone just voted it again, almost 10 years later. And the two answers aren't really any different... but mine was posted 17 seconds faster, and that's meant a 500 vote difference :/ – Joel ...