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What is the most efficient way to deep clone an object in JavaScript?
...tring representation of the date in ISO format, which JSON.parse() doesn't convert back to a Date object. See this answer for more details.
Additionally, please note that, in Chrome 65 at least, native cloning is not the way to go. According to JSPerf, performing native cloning by creating a new fu...
What is PECS (Producer Extends Consumer Super)?
...t.add("prem");
List<Object> listObject=list; //Type mismatch: cannot convert from List<String> to List<Object> at Compiletime
more examples
bounded(i.e. heading toward somewhere) wildcard : There are 3 different flavours of wildcards:
In-variance/Non-variance: ? or ? ex...
Who architected / designed C++'s IOStreams, and would it still be considered well-designed by today'
... does it the other way around by using stringstream as the standard way of converting to a string.
Poor support for i18n
Iostream-based output splits string literals into pieces.
cout << "My name is " << name << " and I am " << occupation << " from " << hometow...
Redis key naming conventions?
..., toystring) {
var toy = JSON.parse(toystring);
...
}
No need to convert slashes to colons and vice versa. Convenient, don't you think?
Note: always ensure that user is able to access only things you intended. The raw URL-to-key approach above is able to fetch user/1/password as well, as ...
Where do I find the current C or C++ standard documents?
...he standard is maintained as LaTeX sources on Github. These sources can be converted to HTML using cxxdraft-htmlgen. The following sites maintain HTML pages so generated:
Tim Song - Current working draft - C++11 - C++14 - C++17
Eelis - Current working draft
Tim Song also maintains generated HTML...
Why is rbindlist “better” than rbind?
...t shines are
Fast vectorized merge of list of data.frames by row
Trouble converting long list of data.frames (~1 million) to single data.frame using do.call and ldply
These have benchmarks that show how fast it can be.
rbind.data.frame is slow, for a reason
rbind.data.frame does lots of check...
$.ajax - dataType
...a.
So what you get in success handler is proper javascript object(JQuery converts the json object for you)
whereas
contentType: "application/json",
dataType: "text",
Here you are sending json data, since you haven't mentioned the encoding, as per the JQuery docs,
If no charset is specified...
How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?
...argument is 'mine'; it is fully expanded to 'mine'; it is then substituted into the replacement string:
EVALUATOR(mine, VARIABLE)
Now the macro EVALUATOR is discovered, and the arguments are isolated as 'mine' and 'VARIABLE'; the latter is then fully expanded to '3', and substituted into the repl...
What's with 181783497276652981 and 8682522807148012 in Random (Java 7)?
...
Was this number simply mis-copied into Java?
Yes, seems to be a typo.
Does 181783497276652981 have an acceptable merit?
This could be determined using the evaluation algorithm presented in the paper. But the merit of the "original" number is probably h...
How can I change my Cygwin home folder after installation?
...f %USERPROFILE% or C:\Users\$USERNAME. Of course, the Windows directory is converted to POSIX-style by Cygwin.
cygwin AD only: The user's home directory is set to the POSIX path given in the cygwinHome attribute from the cygwinUser auxiliary class. See also the section called “The cygwin schema”...