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How can I efficiently select a Standard Library container in C++11?

...ecause list is not such a good container in general, and neither is forward_list. Both lists are very specialized containers for niche applications. To build such a chart, you just need two simple guidelines: Choose for semantics first When several choices are available, go for the simplest Wor...
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“sending 'const NSString *' to parameter of type 'NSString *' discards qualifiers” warning

I have Constants NSString, that I want to call like: 3 Answers 3 ...
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How to work around the lack of transactions in MongoDB?

...iewpoint (I have only worked with SQL databases so far), or whether it actually can't be done. 10 Answers ...
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How do I check if an element is really visible with JavaScript? [duplicate]

In JavaScript, how would you check if an element is actually visible? 16 Answers 16 ...
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Placeholder in IE9

It seems it's a very well known problem but all the solutions I found on Google don't work on my newly downloaded IE9. 11 A...
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How to present popover properly in iOS 8

... you talk to the view controller inside of it to set the content size, by calling the property preferredContentSize share | improve this answer | follow | ...
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How to initialize an array's length in JavaScript?

... Why do you want to initialize the length? Theoretically there is no need for this. It can even result in confusing behavior, because all tests that use the length to find out whether an array is empty or not will report that the array is not empty. Some tests show that settin...
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Load and execution sequence of a web page?

...ng is downloaded and loads into #img The $(document).ready() event is actually the event fired when all page components are loaded and ready. Read more about it: http://docs.jquery.com/Tutorials:Introducing_$(document).ready() Edit - This portion elaborates more on the parallel or not part: By defa...
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Sort a text file by line length including spaces

...ou change one field. I guess it's not crazy behaviour. It has this: "Finally, there are times when it is convenient to force awk to rebuild the entire record, using the current value of the fields and OFS. To do this, use the seemingly innocuous assignment:" $1 = $1 # force record to be recon...
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Split comma-separated strings in a column into separate rows

...solution, and two additional variants of Jaap's data.table methods. Overall 8 different methods were benchmarked on 6 different sizes of data frames using the microbenchmark package (see code below). The sample data given by the OP consists only of 20 rows. To create larger data frames, these 20...