大约有 40,000 项符合查询结果（耗时：0.0529秒） [XML]
twitter bootstrap navbar fixed top overlapping site
...f the <body>. Try out your own values or use our snippet below. Tip: By default, the navbar is 50px high.
body { padding-top: 70px; }
Make sure to include this after the core Bootstrap CSS.
and in the Bootstrap 4 docs...
Fixed navbars use position: fixed, meaning they’re pulled from the
n...
How to create empty text file from a batch file?
...dea of just copying NUL (or type NUL>file) for the purpose of getting 0-byte files. :-)
– Joey
Mar 4 '09 at 3:47
20
...
What is the most accurate way to retrieve a user's correct IP address in PHP?
...IP addresses they registered, and get their IP address banned on your site by doing bad things, because I figure out you honor the HTTP forwards. The list is endless.
Then there is, as you guessed, internal IP addresses such as the college network I metioned before. A lot use a 10.x.x.x format. So ...
What's a quick way to test to see a file exists?
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
Web Application Problems (web.config errors) HTTP 500.19 with IIS7.5 and ASP.NET v2
...lution to a new server that did not yet have the module on and it was only by chance I stumbled across this answer so thanks a bunch as I was tearing my hair out!
– ProNotion
Aug 22 '14 at 7:59
...
XPath: How to check if an attribute exists?
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
How do I change the working directory in Python?
... directory when you're done. This can be done in an exception-safe manner by wrapping your chdir call in a context manager, like Brian M. Hunt did in his answer.
Changing the current working directory in a subprocess does not change the current working directory in the parent process. This is tr...
LINQ query to return a Dictionary
...ionary method directly.
var result =
// as Jon Skeet pointed out, OrderBy is useless here, I just leave it
// show how to use OrderBy in a LINQ query
myClassCollection.OrderBy(mc => mc.SomePropToSortOn)
.ToDictionary(mc => mc.KeyProp.ToString(),
...
Truncate number to two decimal places without rounding
...ate.
Basing the update on the well written regex from the accepted answer by @Gumbo, this new toFixed function will always work as expected.
Old answer, not always accurate.
Roll your own toFixed function:
function toFixed(num, fixed) {
fixed = fixed || 0;
fixed = Math.pow(10, fixed);
...
The 'json' native gem requires installed build tools
I have ruby 1.9.2p180 (2011-02-18) [i386-mingw32] installed on my windows 7 machine. Now I tried to install the JSON gem using the command, "gem install json" and got the following error.
...