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Set cookie and get cookie with JavaScript [duplicate]

...okie = name +'=; Path=/; Expires=Thu, 01 Jan 1970 00:00:01 GMT;'; } Now, calling functions setCookie('ppkcookie','testcookie',7); var x = getCookie('ppkcookie'); if (x) { [do something with x] } Source - http://www.quirksmode.org/js/cookies.html They updated the page today so everything in th...
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Why do some functions have underscores “__” before and after the function name?

...rms using leading or trailing underscores are recognized (these can generally be combined with any case convention): _single_leading_underscore: weak "internal use" indicator. E.g. from M import * does not import objects whose name starts with an underscore. single_trailing_underscore_: ...
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How to achieve function overloading in C?

...sociation list that looks a bit like a switch block. _Generic gets the overall type of the expression and then "switches" on it to select the end result expression in the list for its type: _Generic(1, float: 2.0, char *: "2", int: 2, default: get_two_object()); ...
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Can I create links with 'target=“_blank”' in Markdown?

...rget="_blank">Hello, world!</a> Most Markdown engines I've seen allow plain old HTML, just for situations like this where a generic text markup system just won't cut it. (The StackOverflow engine, for example.) They then run the entire output through an HTML whitelist filter, regardless, ...
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Show current assembly instruction in GDB

...x │ │0x7ffff740d769 <__libc_start_main+233> callq *0x18(%rsp) │ >│0x7ffff740d76d <__libc_start_main+237> mov %eax,%edi │ │0x7ffff740d76f <__libc_start_main+239> callq 0x7ffff7427970 <exit> ...
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How to configure XAMPP to send mail from localhost?

...mail\sendmail.exe\" -t" Now Open C:\xampp\sendmail\sendmail.ini. Replace all the existing code in sendmail.ini with following code [sendmail] smtp_server=smtp.gmail.com smtp_port=587 error_logfile=error.log debug_logfile=debug.log auth_username=my-gmail-id@gmail.com auth_password=my-gmail-passwo...
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Can I mix Swift with C++? Like the Objective-C .mm files

... No. When you switch from .m to .mm you are actually switching from Objective-C to a different language (which has many subtle differences) called Objective-C++. So you're not really using C++; you're using Objective-C++ which accepts most C++ as input (in the same way tha...
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detach all packages while working in R

...*) is not necessary but can be useful to prevent the NULL reply from vertically spamming the R window. (edit: 9/20/2019) In version 3.6.1 It may be helpful to convert loaded only names(sessionInfo()$loadedOnly) to explicitly attached packages first, and then detach the packages, as so. lapply(names(...
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How do I achieve the theoretical maximum of 4 FLOPs per cycle?

... while (i < 1000){ // Here's the meat - the part that really matters. r0 = _mm_mul_pd(r0,rC); r1 = _mm_add_pd(r1,rD); r2 = _mm_mul_pd(r2,rE); r3 = _mm_sub_pd(r3,rF); r4 = _mm_mul_pd(r4,rC); r5 = _mm_add_pd(r5...
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What is the instanceof operator in JavaScript?

...ce p inherits from Person.prototype. Per the OP's request I've added a small example with some sample code and an explanation. When you declare a variable you give it a specific type. For instance: int i; float f; Customer c; The above show you some variables, namely i, f, and c. The type...