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How do I measure the execution time of JavaScript code with callbacks?
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What does this add to the accepted answer?
– Dan Dascalescu
Jul 5 '18 at 23:11
3
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partial string formatting
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This does not work for more advanced formattings like {bar:1.2f}
– MaxNoe
Jan 27 '16 at 11:14
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How to use gitignore command in git
...o need to touch the file first. >> is synonymous to > if the file does not exist already. echo appends a newline on the end of the output. You can stop that with -n. If you need various ignores, either do various echos, or use -e, as following: echo -e "**/cache/\n**.pyc" >> .gitignor...
How to append to a file in Node?
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Does anyone know if fs.appendFile keeps a link to the file open so appends are faster? (rather than open/close each write) nodejs.org/api/…
– nelsonic
Oct 30 '12 at 14:16
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How to pass parameters on onChange of html select
...normal behavior may be to say
newSelect.onchange = changeitem;
But this does not really allow you to specify that argument passed in, so instead you may do this:
newSelect.setAttribute('onchange', 'changeitem(this)');
And you are able to set the parameter. If you do it the first way, then the...
Regex to validate password strength
...})(?=.*[!@#$&*])(?=.*[0-9])(?=.*\p{Ll}.*\p{Ll})
If your 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].
share
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Cross-Origin Request Headers(CORS) with PHP headers
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Access-Control-Allow-Headers does not allow * as accepted value, see the Mozilla Documentation here.
Instead of the asterisk, you should send the accepted headers (first X-Requested-With as the error says).
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URL: Username with @
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This works splendid now that bitbucket does not allow plain usernames any more, but requires username@example.org style usernames.
– Jeroen Wiert Pluimers
May 26 '17 at 15:45
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What's the difference between assignment operator and copy constructor?
...efore the copying can occur, the copy constructor is used.
If a new object does not have to be created before the copying can occur, the assignment operator is used.
Example for assignment operator:
Base obj1(5); //calls Base class constructor
Base obj2; //calls Base class default constructor
obj...
class method generates “TypeError: … got multiple values for keyword argument …”
...nswered Jul 24 '14 at 20:27
joe_doejoe_doe
48144 silver badges22 bronze badges
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