大约有 40,000 项符合查询结果(耗时:0.0714秒) [XML]

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What's the best way to use R scripts on the command line (terminal)?

...e command line. However, running R from bash scripts is not convenient at all. The ideal might be something like 11 Answe...
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How do I grant myself admin access to a local SQL Server instance?

I installed SQL Server 2008 R2 to my local machine. But, I can't create a new database because of rights (or lack of). 6 An...
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How to create a string with format?

...his could help you: let timeNow = time(nil) let aStr = String(format: "%@%x", "timeNow in hex: ", timeNow) print(aStr) Example result: timeNow in hex: 5cdc9c8d share | improve this answer ...
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Add one row to pandas DataFrame

... Consider adding the index to preallocate memory (see my answer) – FooBar Jul 23 '14 at 14:22 34 ...
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Determine Whether Two Date Ranges Overlap

... Proof: Let ConditionA Mean that DateRange A Completely After DateRange B _ |---- DateRange A ------| |---Date Range B -----| _ (True if StartA > EndB) Let ConditionB Mean that DateRange A is Completely Before DateRange B |---- DateRange A ...
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How to clear a chart from a canvas so that hover events cannot be triggered?

...I tried .destroy() and I tried setting my chart reference to null What finally fixed the issue for me: deleting the <canvas> element and then reappending a new <canvas> to the parent container My specific code (obviously there's a million ways to do this): var resetCanvas = function...
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How do I perform a Perl substitution on a string while keeping the original?

... I was wondering if something like my $new = $_ for $old =~ s/foo/bar; would work? – Benoit Apr 30 '14 at 17:11 ...
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How do I make a semi transparent background?

...oft.gradient(startColorstr=#AARRGGBBAA,endColorstr=#AARRGGBBAA); its basically a gradient of a static color but with transparency. – Tarun Jan 27 '11 at 5:23 ...
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Loading cross-domain endpoint with AJAX

... API URL. (Supports https: see github repository) If you want to automatically enable cross-domain requests when needed, use the following snippet: $.ajaxPrefilter( function (options) { if (options.crossDomain && jQuery.support.cors) { var http = (window.location.protocol === 'http:'...
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VBoxManage: error: Failed to create the host-only adapter

I am running vagrant 1.4 and virtual box 4.3 on fedora 17 machine. When I do "vagrant up", I get this error: 32 Answers...