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MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update
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ok, thats a good idea, but for the pre-existing value it will return an error but NOT the value itself, right?
– Discipol
May 3 '13 at 14:41
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How to deploy an ASP.NET Application with zero downtime
... easily diff files over FTP. I would never do this without BC, you have no idea what you are overwriting.
*Scroll to the bottom to see it :( BTW I would no longer recommend Web Sites because they are slower to build and can crash badly with half compiled temp files. We used them in the past because...
How can I get the sha1 hash of a string in node.js?
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Good idea. Note, however, that all objects (except arrays and null) will have the same sha1sum value since Object.toString() returns [object Object] by default. So sha1sum({}) === sha1sum({"foo":"bar"}) === sha1sum({"a":1}), etc...
Disabling Strict Standards in PHP 5.4
... all of the above but I couldn't disable strict notifications :( any other ideas ?
– ro ko
Aug 27 '12 at 16:44
2
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How to get duration, as int milli's and float seconds from ?
...w what "milliseconds and float seconds" means, but this should give you an idea:
#include <chrono>
#include <thread>
#include <iostream>
int main()
{
auto then = std::chrono::system_clock::now();
std::this_thread::sleep_for(std::chrono::seconds(1));
auto now = std::chrono::...
What are some better ways to avoid the do-while(0); hack in C++?
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I agree, but I think it's a bad idea to write goto-RAII conversion classes and I think it should be stated explicitly.
– idoby
Aug 29 '13 at 12:07
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Proper stack and heap usage in C++?
...eferences.
In the most complicated situations of all, you would take this idea to the general extreme and use a smart pointer class such as shared_ptr which is already in tr1. (Although I'd argue that if you seem to need it, you've possibly moved outside Standard C++'s sweet spot of applicability.)...
How to generate and validate a software license key?
...ause for companies, license keys have almost the same value as real cash.
Ideally, you would want your license keys to have the following properties:
Only your company should be able to generate license keys for your products, even if someone completely reverse engineers your products (which WILL...
How to refresh / invalidate $resource cache in AngularJS
...u automatically, so there's no need to force the cache to be cleared.
The idea is that if you have a resource that you can query, that query response will be cached, but if you save something for that same resource, the previously cached data must be invalid, so it is cleared for you. It makes sen...
Can a JSON value contain a multiline string
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That's a good idea actually. Version control the Hjson and have it transpiled to JSON as needed.
– Lightness Races in Orbit
Aug 2 '19 at 12:22
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