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How to pass a user defined argument in scrapy spider
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190
Spider arguments are passed in the crawl command using the -a option. For example:
scrapy cra...
Populate XDocument from String
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561
You can use XDocument.Parse for this.
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Moq mock method with out specifying input parameter
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edited Mar 19 '14 at 12:10
tronda
3,71444 gold badges3030 silver badges5353 bronze badges
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Flask vs webapp2 for Google App Engine
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138
Disclaimer: I'm the author of tipfy and webapp2.
A big advantage of sticking with webapp (or ...
Combine :after with :hover
... #alertlist li:hover:after
{
position:absolute;
top: 0;
right:-10px;
bottom:0;
border-top: 10px solid transparent;
border-bottom: 10px solid transparent;
border-left: 10px solid #303030;
content: "";
}
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What is the difference between __dirname and ./ in node.js?
...ntly executing script resides (see this). So if you typed __dirname into /d1/d2/myscript.js, the value would be /d1/d2.
By contrast, . gives you the directory from which you ran the node command in your terminal window (i.e. your working directory) when you use libraries like path and fs. Technicall...
const vs constexpr on variables
...ename them so that we can talk about them more easily:
const double PI1 = 3.141592653589793;
constexpr double PI2 = 3.141592653589793;
Both PI1 and PI2 are constant, meaning you can not modify them. However only PI2 is a compile-time constant. It shall be initialized at compile time. PI1 m...
WPF Button with Image
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answered Apr 23 '10 at 9:15
wpfwannabewpfwannabe
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Casperjs/PhantomJs vs Selenium
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184
They are attacking different problems. Since PhantomJS runs perfectly on the command-line, it ...
How to change the CHARACTER SET (and COLLATION) throughout a database?
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371
change database collation:
ALTER DATABASE <database_name> CHARACTER SET utf8 COLLATE utf8m...