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What tools are there for functional programming in C?
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Sadly, this doesn’t work in practice: if you want the closure to capture anything, it requires an executable stack, which is a terrible security practice. Personally, I don’t think it is useful at all.
– Demi
Aug 2 '17 at...
How to call Android contacts list?
... without READ permission on my 4.0+ Android phone but not on 1.6. Anybody know at what version did this functionality come about?
– amit
Jul 22 '12 at 7:05
1
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How do I look inside a Python object?
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I beg to differ. dir() is just so much quicker and in 99% of the cases let's you find out what you need in combination with help().
– bayer
Jun 17 '09 at 17:22
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Remove blank attributes from an Object in Javascript
... test3 : 3,
}
function clean(obj) {
for (var propName in obj) {
if (obj[propName] === null || obj[propName] === undefined) {
delete obj[propName];
}
}
}
clean(test);
If you're concerned about this property removal not running up object's proptype chain, you can also:
funct...
JavaScript is in array
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Try this:
if(blockedTile.indexOf("118") != -1)
{
// element found
}
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follo...
Convert a row of a data frame to vector
...tly more explicit way to get to the same result.
As @Josh comments below, if you have a not-completely-numeric (alphabetic, factor, mixed ...) data frame, you need as.character(df[1,]) instead.
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How to get line count of a large file cheaply in Python?
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num_lines = sum(1 for line in open('myfile.txt') if line.rstrip()) for filter empty lines
– Honghe.Wu
Mar 3 '14 at 9:26
62
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How to output in CLI during execution of PHP Unit tests?
...t (or conf file has beStrictAboutOutputDuringTests="true") - documentation now says "A test that emits output, for instance by invoking print in either the test code or the tested code, will be marked as risky when this check is enabled." phpunit.readthedocs.io/en/8.4/risky-tests.html#risky-tests
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Allowed characters in Linux environment variable names
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@checksum, UPPERCASE is explicitly specified for variable names with meaning to POSIX-specified tools, including the shell; names with at least one lower-case character are explicitly reserved for application use. Thus, best practice is actually to include at leas...
How to filter array in subdocument with MongoDB [duplicate]
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Does the aggregation operation modify the document or does it just perform a selection ?
– Cherif
Oct 27 '13 at 22:18
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