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What's the difference between F5 refresh and Shift+F5 in Google Chrome browser?
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The difference is not just for Chrome but for most of the web browsers.
F5 refreshes the web page and often reloads the same page from the cached contents of the web browser. However, reloading from cache every time is not guaranteed and it also depends upon the cache expiry.
Sh...
How to prevent scrollbar from repositioning web page?
I have a website with center-aligned DIV. Now, some pages need scrolling, some don't. When I move from one type to another, the appearance of a scrollbar moves the page a few pixels to the side. Is there any way to avoid this without explicitly showing the scrollbars on each page?
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Differences between Perl and PHP [closed]
...ype, of which Perl has three, and the type specifier is part of the name (called a "sigil"), so $foo is a different variable than @foo or %foo.
(related to the previous point) Perl has separate symbol table entries for scalars, arrays, hashes, code, file/directory handles and formats. Each has its o...
How to use npm with node.exe?
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The current windows installer from nodejs.org as of v0.6.11 (2012-02-20) will install NPM along with NodeJS.
NOTES:
At this point, the 64-bit version is your best bet
The install path for 32-bit node is "Program Files (x86)" in 64-bit windows.
Y...
REST API Authentication
...is current request is from an authenticated user. Since REST APIs are typically stateless, the state must be persisted somewhere. Your client consuming the REST APIs is responsible for maintaining that state. Usually, it is in the form of some token that gets passed around since the time the user wa...
What's Pros and Cons: putting javascript in head and putting just before the body close
...p Your Web Site:
The problem caused by scripts is that
they block parallel downloads. The
HTTP/1.1 specification suggests that
browsers download no more than two
components in parallel per hostname.
If you serve your images from multiple
hostnames, you can get more than two
downloa...
How do I retrieve an HTML element's actual width and height?
... done certain DOM modifications to the element recently. You may have to call this code in a setTimeout call after you've modified the element.
– Dan Fabulich
Jan 19 '10 at 5:59
3...
What is a “slug” in Django?
When I read Django code I often see in models what is called a "slug". I am not quite sure what this is, but I do know it has something to do with URLs. How and when is this slug-thing supposed to be used?
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The term 'Update-Database' is not recognized as the name of a cmdlet
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Usually you just need to exit restart VS. See my comments in the original question. On rare occasions you might need to exit/restart VS twice.
– RickAndMSFT
Jul 17 '13 at 1:46
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ByteArray字节数组扩展 · App Inventor 2 中文网
...字段（字节数组）。
UDP扩展已经可以处理字节数组，TCP客户端的更新将很快跟进。
功能概述
字节数组扩展允许对存储的数据进行顺序和随机访问。随机访问的索引基址（第一个元素的索引）可以使用Base属性...