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What is the optimal length for an email address in a database?
...tion if you calculate the number of cars driving to RED such that you have time vs. number of cars driving to red in the axes.
– Léo Léopold Hertz 준영
Jul 29 '09 at 11:01
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Replace non-ASCII characters with a single space
...ommon for people as @dotancohen who deal with non-ascii characters all the time.
– Alvaro Fuentes
Feb 24 '16 at 19:13
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Cannot install packages using node package manager in Ubuntu
....11
v0.11.12
v0.11.13
v0.11.14
As you can see, the newest version at the time of this writing is v0.11.14. You can install that by typing:
nvm install 0.11.14
Usually, nvm will switch to use the most recently installed version. You can explicitly tell nvm to use the version we just downloaded b...
Why is it string.join(list) instead of list.join(string)?
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@TimeSheep: A list of integers doesn't have a meaningful join, even though it's iterable.
– recursive
Mar 28 '18 at 17:21
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Convert nested Python dict to object?
... that matter are very slow. They consumed about 1/3 and 1/2 of my request time respectively when they saw frequent use in our application. Definitely not something to ignore. Talk more about it stackoverflow.com/a/31569634/364604.
– JayD3e
Jul 22 '15 at 17:0...
Does using “new” on a struct allocate it on the heap or stack?
...constructors. (Fetch the constructors of a value type with reflection some time - you won't find a parameterless one.)
It makes sense for C# to treat the "initialize a value with zeroes" as a constructor, because it keeps the language consistent - you can think of new(...) as always calling a const...
How do I use the includes method in lodash to check if an object is in the collection?
...ill return the entry that matches. Even if the entry exists
* multiple time, it is only returned once.
*/
_.find(numbers, (o) => { return _.isMatch(o, entry) });
// output: {to: 1, from: 2}
/*
* 3. This will return an array of objects containing all the matches.
* If an entry exists ...
How does the new automatic reference counting mechanism work?
... consistently, but even the most experienced Cocoa developers slip up from time to time.
With the Clang Static Analyzer, the LLVM developers realized that these rules were reliable enough that they could build a tool to point out memory leaks and overreleases within the paths that your code takes.
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Is it sometimes bad to use ?
Is it sometimes bad to use <BR/> tags?
15 Answers
15
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How do you remove duplicates from a list whilst preserving order?
...local variable. seen.add could have changed between iterations, and the runtime isn't smart enough to rule that out. To play it safe, it has to check the object each time.
If you plan on using this function a lot on the same dataset, perhaps you would be better off with an ordered set: http://code....