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When to use symbols instead of strings in Ruby?
If there are at least two instances of the same string in my script, should I instead use a symbol?
4 Answers
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psql: FATAL: Ident authentication failed for user “postgres”
I have installed PostgreSQL and pgAdminIII on my Ubuntu Karmic box.
23 Answers
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When creating HTML emails, should we use html, head, body tags?
In my email views, I usually just do something like...
6 Answers
6
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Can I install the “app store” in an IOS simulator?
The IOS simulator in my computer doesn't have app store. I want to use the app store to test a program I wrote on my simulator.
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EXC_BAD_ACCESS signal received
... I had some accelerometer sampling code that was not vital to my app, which after removal, eliminated the bad access error. Which makes sense considering the simulator does not have an accelerometer. I do find it weird that this code existed, untouched, for a week before causing this e...
Total memory used by Python process?
...il.Process(os.getpid())
print(process.memory_info().rss) # in bytes
On my current Python 2.7 install with psutil 5.6.3, the last line should be
print(process.memory_info()[0])
instead (there was a change in the API).
Note: do pip install psutil if it is not installed yet.
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How to compile a 32-bit binary on a 64-bit linux machine with gcc/cmake
... that you have the 32-bit versions of all required libraries installed (in my case all I needed on Fedora was glibc-devel.i386)
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Saving interactive Matplotlib figures
...ars to work reasonable well - almost like a Matlab ".fig" figure file. See my answer below (for now?) for an example of how to do it.
– Demis
Jan 30 '16 at 9:43
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Eclipse hangs on loading workbench
My eclipse stops loading workbench. I tried already starting with ./eclipse --clean
22 Answers
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Margin while printing html page
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Firstly said, I try to force all my users to use Chrome when printing because other browsers create different layouts.
An answer from this question recommends:
@page {
size: 210mm 297mm;
/* Chrome sets own margins, we change these printer settings *...