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“std::endl” vs “\n”
...ch is what you get unless you ask for binary. The compiled program will write out the correct thing for the system compiled for.
The only difference is that std::endl flushes the output buffer, and '\n' doesn't. If you don't want the buffer flushed frequently, use '\n'. If you do (for example, i...
Advantages and disadvantages of GUID / UUID database keys
...s. I've considered going down this path a few times, but there's always a bit of uncertainty, especially around performance and un-read-out-over-the-phone-able URLs.
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How to get just the responsive grid from Bootstrap 3?
I need to add responsive design features to my web application using Twitter Bootstrap. I just want the responsive behavior, I'm not interested in the typography, components or any other stuff included in Bootstrap.
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How to get all possible combinations of a list’s elements?
I have a list with 15 numbers in, and I need to write some code that produces all 32,768 combinations of those numbers.
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R memory management / cannot allocate vector of size n Mb
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Consider whether you really need all this data explicitly, or can the matrix be sparse? There is good support in R (see Matrix package for e.g.) for sparse matrices.
Keep all other processes and objects in R to a minimum when you need to make objects of this size. Use gc() to...
Not showing placeholder for input type=“date” field
...a phonegap app. When I am trying type="date" input field as shown below, it shows date picker in iPhone as I expected but it doesn't show the placeholder I have given. I found the same issue here in SO, but no solution anywhere.
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How to duplicate sys.stdout to a log file?
Edit: Since it appears that there's either no solution, or I'm doing something so non-standard that nobody knows - I'll revise my question to also ask: What is the best way to accomplish logging when a python app is making a lot of system calls?
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Can I use mstest.exe without installing Visual Studio?
I want to use mstest.exe to run my unit test on build server, but I don't want to install Visual Studio on the build server. Can I just install MSTest without Visual Studio?
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PDO closing connection
Just a rather simple question with regards to PDO compared to MySQLi.
5 Answers
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How to get the index of an element in an IEnumerable?
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The whole point of getting things out as IEnumerable is so you can lazily iterate over the contents. As such, there isn't really a concept of an index. What you are doing really doesn't make a lot of sense for an IEnumerable. If you need something that supports access by index, put it in an actual ...