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When is it better to use String.Format vs string concatenation?
I've got a small piece of code that is parsing an index value to determine a cell input into Excel. It's got me thinking...
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Xcode: issue “file xxx.png is missing from working copy” at project building
...ot remove the errors. So then I did Xcode > Source Control > Discard ALL Changes, and it cleaned up all the errors for me.
– EdwardM
Jan 24 '17 at 18:29
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Do you (really) write exception safe code? [closed]
...hen, answer the hidden question behind them.
Answering questions
Do you really write exception safe code?
Of course, I do.
This is the reason Java lost a lot of its appeal to me as a C++ programmer (lack of RAII semantics), but I am digressing: This is a C++ question.
It is, in fact, necessary whe...
Why must we define both == and != in C#?
...tors is present, it will use the default reference equality operator, that all objects have, there is not an overload for it.1
Knowing that this is the case, the real question is: Why was this designed in this way and why doesn't the compiler figure it out on its own? A lot people are saying this ...
Remove directory from remote repository after adding them to .gitignore
...h to rewrite the history - there is a helpful guide to that here.
Additionally, note the output from git rm -r --cached some-directory will be something like:
rm 'some-directory/product/cache/1/small_image/130x130/small_image.jpg'
rm 'some-directory/product/cache/1/small_image/135x/small_image.jpg...
How are “mvn clean package” and “mvn clean install” different?
...exactly are the differences between mvn clean package and mvn clean install ? When I run both of these commands, they both seem to do the same thing.
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Disadvantages of Test Driven Development? [closed]
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Several downsides (and I'm not claiming there are no benefits - especially when writing the foundation of a project - it'd save a lot of time at the end):
Big time investment. For the simple case you lose about 20% of the actual implementation, but for complicated cases you lose much more.
Ad...
How to get the absolute coordinates of a view
...solute screen pixel coordinates of the top left corner of a view. However, all methods I can find such as getLeft() and getRight() don't work as they all seem to be relative to the parent of the view, thus giving me 0 . What is the proper way to do this?
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Good MapReduce examples [closed]
...ibuted manner
Here is a wikipedia article explaining what map-reduce is all about
Another good example is Finding Friends via map reduce can be a powerful example to understand the concept, and
a well used use-case.
Personally, found this link quite useful to understand the concept
Copying th...
Count all occurrences of a string in lots of files with grep
...a bunch of log files. I need to find out how many times a string occurs in all files.
15 Answers
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