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Forward declaration of nested types/classes in C++
...they're not my nested classes. I was hoping to avoid a huge library header file dependency with a little forward reference. I wonder if C++11 fixed it?
– Marsh Ray
Nov 7 '11 at 0:57
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How to convert byte array to string and vice versa?
...I was observing this problem when I was trying to create byte[] from a pdf file and then converting it to String and then taking the String as input and converting back to file.
So make sure your encoding and decoding logic is same as I did. I explicitly encoded the byte[] to Base64 and decoded it...
Eclipse executable launcher error: Unable to locate companion shared library
... When it booted back up, eclipse had completely vanished - all the program files have completely disappeared. When I try to reinstall it, I get an error message that says
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Python circular importing?
...import SomeClass). There's some more subtlety when a package's __init__.py file is involved in the circular import, but the issue is both rare, and probably a bug in the import implementation. See Python bug 23447, which I submitted a patch for (which alas has been languishing).
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Is there a git-merge --dry-run option?
...xed but you are still merging". Calling git checkout . doesn't revert the files to pre-merge status.
– J-bob
Dec 8 '14 at 16:38
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How to do a recursive find/replace of a string with awk or sed?
...ter, rather than a new line. In the unlikely event that your directory has files with newlines in the names, this still lets xargs work on the correct filenames.
\( -type d -name .git -prune \) is an expression which completely skips over all directories named .git. You could easily expand it, if y...
How to add folder to assembly search path at runtime in .NET?
...resource or type from another DLL (in the same folder), the loading fails (FileNotFound).
Is it possible to add the folder where my DLLs are located to the assembly search path programmatically (from the root DLL)? I am not allowed to change the configuration files of the application.
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Assign output of a program to a variable using a MS batch file
I need to assign the output of a program to a variable using a MS batch file.
9 Answers
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PostgreSQL Crosstab Query
...you might have attributes of different kind and output text, date, numeric etc. for respective attributes. There is a code example at the end of the chapter crosstab(text, text) in the manual.
db<>fiddle here
Advanced examples
Pivot on Multiple Columns using Tablefunc - also demonstrating...
What happens to a detached thread when main() exits?
...ishes destroying static objects, running atexit handlers, flushing streams etc. it returns control to the host environment, i.e. the process exits. If a detached thread is still running (and has somehow avoided undefined behaviour by not touching anything outside its own thread) then it just disappe...