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jQuery checkbox event handling

...mall tip. You will get a performance boost by using input:checkbox in your selector instead of just :checkbox since the latter is translated to the universal selector *:checkbox. – jimmystormig Feb 1 '12 at 15:28 ...
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How to Correctly Use Lists in R?

...dresses the question of the difference between [] and [[]]. In short [[]] selects a single item from a list and [] returns a list of the selected items. In your example, x = list(1, 2, 3, 4)' item 1 is a single integer but x[[1]] returns a single 1 and x[1] returns a list with only one value. &gt...
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Working with time DURATION, not time of day

...rmula, =A1, then highlight the cell, go into the formatting dropdown menu, select Custom, and type in dddd. Repeat all this in the row below. Finally, say you want to display that duration in cell D2. Enter the formula, =(a2+b2)-(a1+b1). If you want this displayed as "22h 30m", select the cell, ...
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R memory management / cannot allocate vector of size n Mb

...a whole. To use Readyboost, right click on the drive, go to properties and select 'ReadyBoost' and select 'use this device' radio button and click apply or ok to configure.
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Why is reading lines from stdin much slower in C++ than Python?

I wanted to compare reading lines of string input from stdin using Python and C++ and was shocked to see my C++ code run an order of magnitude slower than the equivalent Python code. Since my C++ is rusty and I'm not yet an expert Pythonista, please tell me if I'm doing something wrong or if I'm mis...
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Convert XLS to CSV on command line

... The code converts only the active worksheet. To select another worksheet, add the following line after the oExcel.Workbooks.Open line with the desired index of the worksheet (starts at 1): oBook.Worksheets(1).Activate – humbads Oct 3...
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Xcode Product -> Archive disabled

... Select active scheme to Generic iOs Device. share | improve this answer | follow | ...
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How to loop through all the files in a directory in c # .net?

... It's called searchPattern and it's a filter by which files are selected. In this case it will select all files ending in "ProfileHandler.cs". Have a look at MDSN – Migwell Oct 13 '16 at 23:10 ...
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Which rows are returned when using LIMIT with OFFSET in MySQL?

... OFFSET is nothing but a keyword to indicate starting cursor in table SELECT column FROM table LIMIT 18 OFFSET 8 -- fetch 18 records, begin with record 9 (OFFSET 8) you would get the same result form SELECT column FROM table LIMIT 8, 18 visual representation (R is one record in the table i...
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How do emulators work and how are they written? [closed]

... Emulation is a multi-faceted area. Here are the basic ideas and functional components. I'm going to break it into pieces and then fill in the details via edits. Many of the things I'm going to describe will require knowledge of the inner workings of processors -- assembly knowledge ...