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What are the Dangers of Method Swizzling in Objective-C?
...iting a bunch of code that's working directly with the Objective-C runtime API (in C), then it's nice to be able to call it C style for consistency. The only reason I can think of besides this is if you wrote something in pure C, then it's more still callable. There's no reason you can't do it all i...
What are the differences between Deferred, Promise and Future in JavaScript?
...var mostRecentShortUrl = shortUrls[0];
return expandUrlUsingTwitterApi(mostRecentShortUrl); // promise-returning async function
})
.then(doHttpRequest) // promise-returning async function
.then(
function (responseBody) {
console.log("Most recent link text:", r...
How to generate a random number in C++?
...e? (Except that you don't use %6.) And if you decided to use std::rand C++ API of rand C library function then why not use std::time and std::srand for the sake of C++ style consistency?
– Serge Dundich
Jun 8 at 16:44
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What are some (concrete) use-cases for metaclasses?
...d_slice = wrap_pylab_newplot(add_slice)
This method doesn't keep up with API changes and so on, but one that iterates over the class attributes in __init__ before re-setting the class attributes is more efficient and keeps things up to date:
class _Interactify(type):
def __init__(cls, name, b...
Reading/writing an INI file
...
Watch out using this deprecated Win32 API functions. More info: stackoverflow.com/questions/11451641/…
– Pedro77
Jun 21 '14 at 22:28
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How does facebook, gmail send the real time notification?
... I will use jQuery:
function pollTask() {
$.ajax({
url: '/api/Polling',
async: true, // by default, it's async, but...
dataType: 'json', // or the dataType you are working with
timeout: 10000, // IMPORTANT! this is a 10 seconds timeo...
PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
...N response. The app can be accessed at https://uniquestrings.herokuapp.com/api/token?length=15
I hope this helps.
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Split (explode) pandas dataframe string entry to separate rows
...as heard by the pandas gods, they've installed a.explode() method into the API (also see this answer).
– cs95
Jul 20 '19 at 7:23
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What's the best online payment processing solution? [closed]
... 4-6 weeks to protect against this. If you sell services or goods with no capital outlay (software for instance), then you can afford this. If on the other hand, you really are having to pay your luxury car importer to provide you with stock, then cash flow becomes very important and you're going to...
淘宝网采用什么技术架构来实现网站高负载的 - 更多技术 - 清泛网 - 专注C/C...
...少对底层数据库的访问,比如 统计商品的访问次数,统 计API的 调用量等等,可 以采用先写内存缓存然后延迟持久化到数据库，这样可以大大减少对数据库的写压力。
OK，我以店铺线的系统为例，在用户浏览店铺的时候，比如店铺...