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How to print a debug log?

... A lesser known trick is that mod_php maps stderr to the Apache log. And, there is a stream for that, so file_put_contents('php://stderr', print_r($foo, TRUE)) will nicely dump the value of $foo into the Apache error log. ...
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Python requests - print entire http request (raw)?

...f pretty_print_POST(req): """ At this point it is completely built and ready to be fired; it is "prepared". However pay attention at the formatting used in this function because it is programmed to be pretty printed and may differ from the actual request. """ print...
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How to push to a non-bare Git repository?

I usually work on a remote server via ssh (screen and vim), where I have a Git repository. Sometimes I'm not online, so I have a separate repository (cloned from my remote) on my laptop. ...
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How to get controls in WPF to fill available space?

...eriving from Panel implements distinct layout logic performed in Measure() and Arrange(): Measure() determines the size of the panel and each of its children Arrange() determines the rectangle where each control renders The last child of the DockPanel fills the remaining space. You can disable ...
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Why is HttpClient BaseAddress not working?

...luding or excluding trailing or leading forward slashes on the BaseAddress and the relative URI passed to the GetAsync method -- or whichever other method of HttpClient -- only one permutation works. You must place a slash at the end of the BaseAddress, and you must not place a slash at the beginni...
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How do I tell if a regular file does not exist in Bash?

... The test command ([ here) has a "not" logical operator which is the exclamation point (similar to many other languages). Try this: if [ ! -f /tmp/foo.txt ]; then echo "File not found!" fi ...
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Should all Python classes extend object?

...w-style classes. Finally, old-style classes have disappeared in Python 3, and inheritance from object has become implicit. So, always prefer new style classes unless you need backward compat with old software. share ...
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Converting string to Date and DateTime

...YYY (for example, 10-16-2003), how do I properly convert that to a Date and then a DateTime in the format of YYYY-mm-dd ? The only reason I ask for both Date and DateTime is because I need one in one spot, and the other in a different spot. ...
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How is it possible to declare nothing inside main() in C++ and yet have a working application after

...uted where you can do anything — in this case, compute fibonacci numbers and print them! A similar thing I've shown in the following question (which I had asked long back): Is main() really start of a C++ program? Note that such code is not safe and should be best avoided in general. For exam...
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Is it possible to have a multi-line comments in R? [duplicate]

... You can, if you want, use standalone strings for multi-line comments — I've always thought that prettier than if (FALSE) { } blocks. The string will get evaluated and then discarded, so as long as it's not the last line in a function nothing will happ...