大约有 46,000 项符合查询结果（耗时：0.0345秒） [XML]
What is the use of static constructors?
...tatic string urlFragment = "foo/bar";
static string firstPart= "http://www.example.com/";
static string fullUrl= firstPart + urlFragment;
}
When you access fullUr, it will be "http://www.example.com/foo/bar".
Months later you're cleaning up your code and alphabetize the fields (let's say ...
How to display PDF file in HTML?
...y for chrome browser « Chrome PDF viewer using plugin. pluginspage=http://www.adobe.com/products/acrobat/readstep2.html.
<embed type="application/pdf"
src="http://www.oracle.com/events/global/en/java-outreach/resources/java-a-beginners-guide-1720064.pdf"
width="100%" height="500" alt="pdf" p...
Why does sed not replace all occurrences?
... sed -e 's:dog:log:g'
For a fantastic documentation on sed, check http://www.grymoire.com/Unix/Sed.html. This global flag is explained here: http://www.grymoire.com/Unix/Sed.html#uh-6
The official documentation for GNU sed is available at http://www.gnu.org/software/sed/manual/
...
Convert an image to grayscale in HTML/CSS
...F-8"?>
<svg version="1.1"
baseProfile="full"
xmlns="http://www.w3.org/2000/svg">
<filter id="desaturate">
<feColorMatrix type="matrix" values="0.3333 0.3333 0.3333 0 0
0.3333 0.3333 0.3333 0 0
...
How to pass a user defined argument in scrapy spider
...__init__(self, category='', **kwargs):
self.start_urls = [f'http://www.example.com/{category}'] # py36
super().__init__(**kwargs) # python3
def parse(self, response)
self.log(self.domain) # system
Taken from the Scrapy doc: http://doc.scrapy.org/en/latest/topics/spi...
How to go to a URL using jQuery? [duplicate]
...HTTP redirect (back button will not work )
window.location.replace("http://www.google.com");
//like if you click on a link (it will be saved in the session history,
//so the back button will work as expected)
window.location.href = "http://www.google.com";
...
Truncating long strings with CSS: feasible yet?
...ml file contents
<?xml version="1.0"?>
<bindings
xmlns="http://www.mozilla.org/xbl"
xmlns:xbl="http://www.mozilla.org/xbl"
xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
>
<binding id="ellipsis">
<content>
<xul:wind...
Java and SQLite [closed]
... good tutorial to use JDBC driver for SQLite. (it works at least !) http://www.ci.uchicago.edu/wiki/bin/view/VDS/VDSDevelopment/UsingSQLite
Cross-platform JDBC driver which uses embedded native SQLite libraries on Windows, Linux, OS X, and falls back to pure Java implementation on other OSes: https:...
Serving favicon.ico in ASP.NET MVC
... to point to another directory:
<link rel="SHORTCUT ICON" href="http://www.mydomain.com/content/favicon.ico"/>
You can also use non-ico files for browsers other than IE, for which I'd maybe use the following conditional statement to serve a PNG to FF,etc, and an ICO to IE:
<link rel="ic...
Installing Python 3 on RHEL
...:
Download (there may be newer releases on Python.org):
$ wget https://www.python.org/ftp/python/3.4.3/Python-3.4.3.tar.xz
Unzip
$ tar xf Python-3.*
$ cd Python-3.*
Prepare compilation
$ ./configure
Build
$ make
Install
$ make install
OR if you don't want to overwrite the python execu...