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Why is it bad practice to call System.gc()?
...ng this, you shouldn't"
EDIT to address a few concerns from the other thread:
After reading the thread you linked, there's a few more things I'd like to point out.
First, someone suggested that calling gc() may return memory to the system. That's certainly not necessarily true - the Java heap i...
SQL - Query to get server's IP address
...wered Qs for a while, so policy&rules here might have changed (will go read them up now...)
– Martin S. Stoller
Feb 25 '15 at 19:53
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How can I measure the actual memory usage of an application or process?
...ed for it
can be misleading if pages are shared, for example by several threads or by using dynamically linked libraries
If you really want to know what amount of memory your application actually uses, you need to run it within a profiler. For example, Valgrind can give you insights about the amo...
Get OS-level system information
...pu cores, then do not use this solution. I have a dual-core CPU with two threads for each core. The JVM does not return the hardware cores, but rather the software cores/threads.
– F_Schmidt
Jun 19 at 10:28
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Why would one use REST instead of SOAP based services? [closed]
...verhead (no SOAP envelope to wrap every call in)
Less duplication (HTTP already represents operations like DELETE, PUT, GET, etc. that have to otherwise be represented in a SOAP envelope).
More standardized - HTTP operations are well understood and operate consistently. Some SOAP implementations ...
What's the fastest way to convert String to Number in JavaScript?
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Implicit marked the fastest on 3 browsers, but it makes the code hard to read… So choose whatever you feel like it!
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Open new Terminal Tab from command line (Mac OS X)
...b eval "ls \$HOME/Library/Application\ Support; echo Press a key to exit.; read -s -n 1; exit"
# Open new tab and execute script.
newtab /path/to/someScript
# Open new tab, execute script, close tab.
newtab exec /path/to/someScript
# Open new tab and execute script, but don't activate th...
Iterating through a range of dates in Python
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@Ber: I don't like it at all; it's DOUBLY bad. You ALREADY had an iteration! By wrapping the complained-about constructs in a generator, you have added even more execution overhead plus diverted the user's attention to somewhere else to read your 3-liner's code and/or docs. -2
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retrieve links from web page using python and BeautifulSoup [closed]
....urlopen('http://www.nytimes.com')
dom = lxml.html.fromstring(connection.read())
for link in dom.xpath('//a/@href'): # select the url in href for all a tags(links)
print link
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Is it acceptable and safe to run pip install under sudo?
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Yes, it will, but it has already happened, so he needs to fix it before continuing.
– hd1
Feb 22 '13 at 16:33
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