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How to request Google to re-crawl my website? [closed]
Does someone know a way to request Google to re-crawl a website? If possible, this shouldn't last months. My site is showing an old title in Google's search results. How can I show it with the correct title and description?
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What is the pythonic way to avoid default parameters that are empty lists?
Sometimes it seems natural to have a default parameter which is an empty list. Yet Python gives unexpected behavior in these situations .
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Templated check for the existence of a class member function?
Is it possible to write a template that changes behavior depending on if a certain member function is defined on a class?
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How does facebook, gmail send the real time notification?
...e pointless requests, because nothing has happened.
The way Facebook does it is using the comet approach, rather than polling on an interval, as soon as one poll completes, it issues another one. However, each request to the script on the server has an extremely long timeout, and the server only r...
How to upgrade PowerShell version from 2.0 to 3.0
...is Windows 7, and the PowerShell version that is installed here is 2.0. Is it possible for me to upgrade it to version 3.0 or 4.0?
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Should Jquery code go in header or footer?
...ut Jquery code (or separate Jquery file)? Will pages load faster if I put it in the footer?
9 Answers
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Uses for Optional
Having been using Java 8 now for 6+ months or so, I'm pretty happy with the new API changes. One area I'm still not confident in is when to use Optional . I seem to swing between wanting to use it everywhere something may be null , and nowhere at all.
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How does a language expand itself? [closed]
...am learning C++ and I've just started learning about some of Qt 's capabilities to code GUI programs. I asked myself the following question:
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How to create a windows service from java app
I've just inherited a java application that needs to be installed as a service on XP and vista. It's been about 8 years since I've used windows in any form and I've never had to create a service, let alone from something like a java app (I've got a jar for the app and a single dependency jar - log4j...
What is recursion and when should I use it?
...ems to come up regularly on mailing lists and online discussions is the merits (or lack thereof) of doing a Computer Science Degree. An argument that seems to come up time and again for the negative party is that they have been coding for some number of years and they have never used recursion.
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