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Java ByteBuffer to String
...atin1Buffer.array());
First we create a channel and read it in a buffer
Then decode method decodes a Latin1 buffer to a char buffer
We can then put the result, for instance, in a String
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What is the best way to convert an array to a hash in Ruby
...is. If your keys and values are paired as in [[key1,value1],[key2,value2]] then just pass it to Hash[] without fattening. Hash[a2] == Hash[*a2.flatten]. If the array is already flattened as in, [key1, value1, key2, value2] then just prefix the var with *, Hash[*a1]
– Cluster
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Filtering for empty or NULL names in a queryset
... In the general case, it's probably more correct to think of chaining as a THEN, i.e. exclude(A) THEN exclude(B). Sorry about the harsh language above. Your answer really is good, but I'm worried about new developers taking your answer too generally.
– shezi
F...
Is there a null-coalescing (Elvis) operator or safe navigation operator in javascript?
...ed if the expression/left operand is defined and falsy. In both cases you then have to go x === undefined.
– mike rodent
Jan 20 '18 at 17:56
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Why do you use typedef when declaring an enum in C++?
...haven't written any C++ in years and now I'm trying to get back into it. I then ran across this and thought about giving up:
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How to pass parameters on onChange of html select
...er helpful, and just to add to it, if you programatically create a select, then there is an important way to get this behavior that may not be obvious. Let's say you have a function and you create a new select:
var changeitem = function (sel) {
console.log(sel.selectedIndex);
}
var newSelect = d...
Regex to validate password strength
...our regex engine doesn't support the \p notation and pure ASCII is enough, then you can replace \p{Lu} with [A-Z] and \p{Ll} with [a-z].
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Cross-Origin Request Headers(CORS) with PHP headers
... thus potentially stealing a session from a user who logged into your site then viewed an attacker's page. You either want to send '*' (which will disallow cookies thus preventing session stealing) or the specific domains for which you want the site to work.
– Jules
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How to duplicate object properties in another object?
...ntil they stop, because your objects became more complex over time. Except then it breaks mysteriously in an unrelated part of the code because too much was copied. And you don't have any context for debugging. JS sucks like that, so careful coding to prevent such problems from occurring is prudent....
git: undo all working dir changes including new files
...lag (this is basically a test-run). When you are ready to actually delete, then remove the -n flag:
git clean -nfd
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