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How do I check if a type is a subtype OR the type of an object?
...will also give you false positives. As Eric Lippert has pointed out in the comments, while the method will indeed return True for the two above questions, it will also return True for these, which you probably don't want:
void Main()
{
typeof(Base).IsAssignableFrom(typeof(Derived)).Dump();
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How to delete an old/unused Data Model Version in Xcode
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Is there any difference between the `:key => “value”` and `key: “value”` hash notations?
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Generating PDF files with JavaScript
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I came across this question before I started writing it and thought I'd come back and let you know :)
Generate PDFs in Javascript
Example create a "Hello World" PDF file.
// Default export is a4 paper, portrait, using milimeters for units
var doc = new jsPDF()
doc.text('Hello world!', ...
Batch file to copy files from one folder to another folder
...s.
/k - copy read-only attributes along with files. otherwise, all files become read-write.
/x - if you care about permissions, you might want /o or /x.
/y - don't prompt before overwriting existing files.
/z - if you think the copy might fail and you want to restart it, use this. It places a marker...
pip issue installing almost any library
...TLS v1.2, you must upgrade your interpreter. See for example https://news.ycombinator.com/item?id=13539034, http://pyfound.blogspot.ca/2017/01/time-to-upgrade-your-python-tls-v12.html and https://bugs.python.org/issue17128.
Update Feb 2019:
For some it may be sufficient to upgrade pip. If the abov...
Can you list the keyword arguments a function receives?
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php $_POST array empty upon form submission
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toptal.com/php/…
– ankitr
Jun 2 '16 at 13:12
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Is 0 a decimal literal or an octal literal?
...ery octal literal could be interpreted as a decimal literal. I can see the compile error, now: ERROR: 0 is ambiguous, could be octal zero or could be decimal zero. Consider using (1 - 1) to disambiguate.
– CB Bailey
Aug 1 '11 at 9:25
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Override compile flags for single files
I would like to use a global set of flags for compiling a project, meaning that at my top-level CMakeLists.txt file I have specified:
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