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Parsing HTML using Python
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So that I can ask it to get me the content/text in the div tag with class='container' contained within the body tag, Or something similar.
try:
from BeautifulSoup import BeautifulSoup
except ImportError:
from bs4 import BeautifulSou...
startActivityForResult() from a Fragment and finishing child Activity, doesn't call onActivityResult
FirstActivity.Java has a FragmentA.Java which calls startActivityForResult() .
SecondActivity.Java call finish() but onActivityResult never get called which is
written in FragmentA.Java .
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Why does the arrow (->) operator in C exist?
... language (which I will refer as CRM for "C Reference Manual", which came with 6th Edition Unix in May 1975), operator -> had very exclusive meaning, not synonymous with * and . combination
The C language described by CRM was very different from the modern C in many respects. In CRM struct membe...
How can a windows service programmatically restart itself?
I need to write robust code in .NET to enable a windows service (server 2003) to restart itself. What is the best way to so this? Is there some .NET API to do it?
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Are Java static calls more or less expensive than non-static calls?
Is there any performance benefit one way or another? Is it compiler/VM specific? I am using Hotspot.
12 Answers
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How do I make a list of data frames?
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This isn't related to your question, but you want to use = and not <- within the function call. If you use <-, you'll end up creating variables y1 and y2 in whatever environment you're working in:
d1 <- data.frame(y1 <- c(1, 2, 3), y2 <- c(4, 5, 6))
y1
# [1] 1 2 3
y2
# [1] 4 5 6
T...
Handling a colon in an element ID in a CSS selector [duplicate]
... that colon looks like the beginning of a pseudo-element to the browser so it gets marked invalid and ignored. Is there anyway to escape the colon or something?
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How do I implement __getattribute__ without an infinite recursion error?
...ble in a class, but return all others normally. How do I accomplish this with __getattribute__ ?
6 Answers
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How to attach debugger to iOS app after launch?
... Process by PID or Name
In the dialog sheet, enter the name of your app as it appears in the Debug navigator when started via Xcode.
If the app is already running, the debugger will attach to the running process. If it isn't running, it will wait for the app to launch and then attach.
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Conditional Variable vs Semaphore
When should one use a semaphore and when should one use a conditional variable (CondVar) ?
6 Answers
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