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.NET / C# - Convert char[] to string
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Joel CoehoornJoel Coehoorn
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How can I get a collection of keys in a JavaScript dictionary? [duplicate]
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Use Object.keys() or shim it in older browsers...
const keys = Object.keys(driversCounter);
If you wanted values, there is Object.values() and if you want key and value, you can use Object.entries(), often paired with Array.prototype...
Can you get the column names from a SqlDataReader?
... Rob Stevenson-LeggettRob Stevenson-Leggett
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How do I get the row count of a pandas DataFrame?
...up=lambda n: pd.DataFrame(np.arange(n * 3).reshape(n, 3)),
n_range=[2**k for k in range(25)],
kernels=[
lambda data: data.shape[0],
lambda data: data[0].count(),
lambda data: len(data.index),
],
labels=["data.shape[0]", "data[0].count()", "len(data.index)"],
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How can I check if a file exists in Perl?
...at that path, but it will also fire for a directory, a named pipe, a symlink, or a more exotic possibility. See the documentation for details.
Given the extension of .TGZ in your question, it seems that you expect a plain file rather than the alternatives. The -f file-test operator asks whether a p...
How do I read / convert an InputStream into a String in Java?
...commons IOUtils to copy the InputStream into a StringWriter... something like
StringWriter writer = new StringWriter();
IOUtils.copy(inputStream, writer, encoding);
String theString = writer.toString();
or even
// NB: does not close inputStream, you'll have to use try-with-resources for that
Str...
What is the equivalent of bigint in C#?
...or you get if you use something smaller and the full size is needed? A stack overflow! Yay!
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How to write header row with csv.DictWriter?
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mechanical_meatmechanical_meat
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How to create an alias for a command in Vim?
...to.'") : ("'.a:from.'"))'
endfun
call SetupCommandAlias("W","w")
This checks that the command type is : and the command is W, so it’s safer than just cnoreabbrev W w.
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Redirecting to a relative URL in JavaScript
... answered Oct 31 '09 at 17:50
KobiKobi
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