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Difference between BeautifulSoup and Scrapy crawler?
...an specify constraints on how many (number of) URLs you want to crawl and fetch,etc. It is a complete framework for web-scraping or crawling.
While
BeautifulSoup is a parsing library which also does a pretty good job of fetching contents from URL and allows you to parse certain parts of them witho...
How to add /usr/local/bin in $PATH on Mac
...on OS X are built using /usr/libexec/path_helper, called from the default /etc/profile. Start at man path_helper then add your paths in files in /etc/paths.d. You will find that pretty much every path setting example from other OSs includes $PATH because none of them seem to be able to commit to bei...
Conditional HTML Attributes using Razor MVC3
...on, and one users named himself '/><script>$.post('changepassword.php?password=123')</script> and now any other user who views this page has their password instantly changed to a password that the malicious user knows.
...
How to make --no-ri --no-rdoc the default for gem install?
... Anyway to make this a system wide default without editing /etc/skel and every user's home directory?
– Hackeron
Jan 13 '11 at 3:43
42
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Javascript regex returning true.. then false.. then true.. etc [duplicate]
.... In JavaScript, global regexen have state: you call them (with exec, test etc.) the first time, you get the first match in a given string. Call them again and you get the next match, and so on until you get no match and it resets to the start of the next string. You can also write regex.lastIndex= ...
Python != operation vs “is not”
...
@MatrixFrog: In PHP or JavaScript we would say that is is like === (very equal), and conversely is not is like !== (not exactly equal).
– Orwellophile
Apr 2 '17 at 1:43
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Is there any way to put malicious code into a regular expression?
...ar Expression Matching Can Be Simple And Fast
(but is slow in Java, Perl, PHP, Python, Ruby, ...) talks about ways that most modern NFAs, which all seem to derive from Henry Spencer’s code, suffer severe performance degradation, but where a Thompson‐style NFA has no such problems.
If you only ...
C# listView, how do I add items to columns 2, 3 and 4 etc?
...iew1.Items.Add , this works fine but how do I add items to columns 2 and 3 etc?
7 Answers
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Make a program run slowly
...ate less (and possibly shorter) execution time frames, preempt more often, etc. See Process Scheduling (Chapter 10) of Understanding the Linux Kernel for more details on scheduling.
You may want to increase the timer interrupt frequency to put more load on the kernel, which will in turn slow everyth...
How do I run a spring boot executable jar in a Production environment?
...r use a systemd script.
init.d example:
$ln -s /var/yourapp/yourapp.jar /etc/init.d/yourapp
This allows you to start, stop and restart your application like:
$/etc/init.d/yourapp start|stop|restart
Or use a systemd script:
[Unit]
Description=yourapp
After=syslog.target
[Service]
ExecStart=/...