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Read an Excel file directly from a R script

...ow in reading Excel files, and this problem is only exacerbated for larger tables. Two draws of openxlsx are 1) its extensive other methods (readxl is designed to do only one thing, which is probably part of why it's so fast), especially its write.xlsx function, and 2) (more of a drawback for readx...
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100% width Twitter Bootstrap 3 template

...Note that .container-fluid was re-introduced in 3.1. Full width on mobile/tablet, 1/4 screen on desktop <div class="container-fluid"> <!-- Adds 15px left/right padding --> <div class="row"> <!-- Adds -15px left/right margins --> <div class="col-md-4 col-md-offset-...
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Best way to detect Mac OS X or Windows computers with JavaScript or jQuery

... The property is also read-only I could came up with the following table Mac Computers Mac68K Macintosh 68K system. MacPPC Macintosh PowerPC system. MacIntel Macintosh Intel system. iOS Devices iPhone iPhone. iPod iPo...
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Are the days of passing const std::string & as a parameter over?

...rs. I think people's skepticism and insistence that you have to check your table of compiler support for RVO is mostly obsolete nowadays. In short, C++11 doesn't really change anything in this regard
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Storing Image Data for offline web application (client-side storage database)

... iOS and Android. It looks like it should work though: var sql = ["CREATE TABLE", idbModules.util.quote(storeName), "(key BLOB", createOptions.autoIncrement ? ", inc INTEGER PRIMARY KEY AUTOINCREMENT" : "PRIMARY KEY", ", value BLOB)"].join(" ") Source ...
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Are global variables bad? [closed]

...top of my head is dealing with inherently global objects such as interrupt tables. Things like DB connection seem to be global, but ain't. share | improve this answer | follo...
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What is the maximum amount of RAM an app can use?

...significant determinant, as larger resolutions mean larger bitmaps, and so tablets and high-resolution phones will tend to have higher values yet. For example, you will see devices with 48MB heaps, and I wouldn't be surprised if there are values higher than that. How is it possible that apps exc...
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What is the difference between a process and a thread?

...s needed to execute a program. A process has a virtual address space, executable code, open handles to system objects, a security context, a unique process identifier, environment variables, a priority class, minimum and maximum working set sizes, and at least one thread of execution. Each process i...
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When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?

... Or that memory just has been freed by HeapFree(). Disclaimer: the table is from some notes I have lying around - they may not be 100% correct (or coherent). Many of these values are defined in vc/crt/src/dbgheap.c: /* * The following values are non-zero, constant, odd, large, and atypica...
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Is there any way to put malicious code into a regular expression?

... spent begging the operating system for more space, and the attendant page-table set-up costs, can sometimes nudge the balancing scale further the other way and make the conversion from time to space less attractive than it would be. – tchrist Jan 19 '11 at 18:...