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Efficient way to determine number of digits in an integer
What is a very efficient way of determining how many digits there are in an integer in C++?
28 Answers
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Malloc vs new — different padding
I'm reviewing someone else's C++ code for our project that uses MPI for high-performance computing (10^5 - 10^6 cores). The code is intended to allow for communications between (potentially) different machines on different architectures. He's written a comment that says something along the lines of:...
Byte order mark screws up file reading in Java
I'm trying to read CSV files using Java. Some of the files may have a byte order mark in the beginning, but not all. When present, the byte order gets read along with the rest of the first line, thus causing problems with string compares.
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is there an virtual environment for node.js?
I've searched the wiki modules page, but I can't find anything similar to virtualenv (python) or rvm.
7 Answers
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Preferred order of writing latitude & longitude tuples in GIS services
When dealing with GIS source code you often need to write latitude and longitude coordinate tuples.
9 Answers
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C++ multiline string literal
Is there any way to have multi-line plain-text, constant literals in C++, à la Perl? Maybe some parsing trick with #include ing a file? I can't think of one, but boy, that would be nice. I know it'll be in C++0x.
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Convert String[] to comma separated string in java
i have one String[]
23 Answers
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How to enter quotes in a Java string?
I want to initialize a String in Java, but that string needs to include quotes; for example: "ROM" . I tried doing:
10 Ans...
Can you use reflection to find the name of the currently executing method?
Like the title says: Can reflection give you the name of the currently executing method.
15 Answers
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How do I make Git ignore file mode (chmod) changes?
I have a project in which I have to change the mode of files with chmod to 777 while developing, but which should not change in the main repo.
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