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Replace a value if null or undefined in JavaScript
...lter1 = "abc"
// filter2 = "Smith"
More Detailed Tutorial
Browser Support 92% July 2020
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Setting up a deployment / build / CI cycle for PHP projects
... community wiki
4 revs, 3 users 92%Steen
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Remove duplicates from an array of objects in JavaScript
...t you want to not be duplicated. Now can this be done through reducer for e6 standards?
– Christian Matthew
Sep 16 '19 at 19:09
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How can I reconcile detached HEAD with master/origin?
...git rev-parse refs/heads/master yield 17a02998078923f2d62811326d130de991d1a95a
That commit is the current tip or “head” of the master branch.
git rev-parse HEAD also yields 17a02998078923f2d62811326d130de991d1a95a
This is what it means to be a “symbolic ref”. It points to an object through s...
Test for equality among all elements of a single vector
...'s solution is ~10x for x, ~3x faster for y and slightly slower for runif(1e6).
– Joshua Ulrich
Jan 21 '11 at 18:34
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How to assign a Git SHA1's to a file without Git?
...cter string.
For example, the hash of an empty file:
sha1("blob 0\0") = "e69de29bb2d1d6434b8b29ae775ad8c2e48c5391"
$ touch empty
$ git hash-object empty
e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
Another example:
sha1("blob 7\0foobar\n") = "323fae03f4606ea9991df8befbb2fca795e648fa"
$ echo "foob...
How can I transform between the two styles of public key format, one “BEGIN RSA PUBLIC KEY”, the oth
...7,334,197,581,225,628,107,021,573,849,359,042,679,698,093,131,908,015,712,695,688,944,173,317,630,555,849,768,647,118,986,535,684,992,447,654,339,728,777,985,990,170,679,511,111,819,558,063,246,667,855,023,730,127,805,401,069,042,322,764,200,545,883,378,826,983,730,553,730,138,478,384,327,116,513,14...
Can promises have multiple arguments to onFulfilled?
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You can use E6 destructuring:
Object destructuring:
promise = new Promise(function(onFulfilled, onRejected){
onFulfilled({arg1: value1, arg2: value2});
})
promise.then(({arg1, arg2}) => {
// ....
});
Array destructuring:
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How to filter Pandas dataframe using 'in' and 'not in' like in SQL
... answered Apr 7 '19 at 0:43
cs95cs95
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pandas GroupBy columns with NaN (missing) values
... answered May 20 at 21:10
cs95cs95
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