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Can scrapy be used to scrape dynamic content from websites that are using AJAX?
...equests, jQuery craziness).
However, if you use Scrapy along with the web testing framework Selenium then we are able to crawl anything displayed in a normal web browser.
Some things to note:
You must have the Python version of Selenium RC installed for this to work, and you must have set up Sel...
John Carmack's Unusual Fast Inverse Square Root (Quake III)
...
Do you have a source? I want to test the runtimes but I don't have an Xbox 360 development kit.
– DucRP
Dec 16 '16 at 6:20
add a com...
Why was the arguments.callee.caller property deprecated in JavaScript?
...ctoring dangers, which only increase as the code base size increases. Unit tests are a line of defense, and I use them, but they're still not an answer that really satiates me personally regarding this hardcoding issue.
– Jasmine Hegman
May 1 '13 at 18:43
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Why does the C# compiler not fault code where a static method calls an instance method?
...SameName(object o) { }
void SameName(string s) { }
public static void Test()
{
SameName("Hi mom");
}
}
This will not compile because the best overload is the one taking a string. But hey, that's an instance method, so compiler complains (instead of taking the second-best overload).
A...
Retaining file permissions with Git
... on solutions for that. Here's something that seems to work, but I've only tested in one case
#!/bin/bash
SELF_DIR=`git rev-parse --show-toplevel`
DATABASE=$SELF_DIR/.permissions
echo -n "Restoring file permissions..."
IFSold=${IFS}
IFS=$
while read -r LINE || [[ -n "$LINE" ]];
do
FILE=`echo $...
Improving bulk insert performance in Entity framework [duplicate]
...from the Context.tt file. This update takes 4 seconds now. I can't wait to test this against production sized data... which is in the hundreds of millions....
– Anthony Mason
May 12 '14 at 1:12
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Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?
...ing PyPy will give a 6.3 times improvement even for the programs they have tested.
There is no claim that PyPy will even run all the programs that CPython runs at all, let alone faster.
share
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imp...
How to avoid “if” chains?
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You can use an && (logic AND):
if (executeStepA() && executeStepB() && executeStepC()){
...
}
executeThisFunctionInAnyCase();
this will satisfy both of your requirements:
executeStep<X>() should evaluate only if the previous one succee...
Javascript web app and Java server, build all in Maven or use Grunt for web app?
...a of using Bower for Dependency Management and Grunt for building, running tests etc. ( Yeoman )
5 Answers
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How to declare a structure in a header that is to be used by multiple files in c?
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You're right. I tested recently a C99 and was surprised to see that my untypedefed struct was not recognized when used the C++ way. I searched for compiler options, and then, in all standard documents I could put my hands on, but found nothi...