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What does 'require: false' in Gemfile mean?
...just set :require => false and then in your code have a require 'library_name_here'
– Rob Di Marco
Jan 5 '14 at 13:38
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Using GPU from a docker container?
...ocker container you just launched.
Install CUDA samples:
$ cd /opt/nvidia_installers
$ ./cuda-samples-linux-6.5.14-18745345.run -noprompt -cudaprefix=/usr/local/cuda-6.5/
Build deviceQuery sample:
$ cd /usr/local/cuda/samples/1_Utilities/deviceQuery
$ make
$ ./deviceQuery
If everything wor...
How can I append a string to an existing field in MySQL?
I want to update the code on all my record to what they currently are plus _standard any ideas?
2 Answers
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What's the difference between size_t and int in C++?
In several C++ examples I see a use of the type size_t where I would have used a simple int . What's the difference, and why size_t should be better?
...
How do you test running time of VBA code?
...st call .StartCounter and .TimeElapsed
Option Explicit
Private Type LARGE_INTEGER
lowpart As Long
highpart As Long
End Type
Private Declare Function QueryPerformanceCounter Lib "kernel32" (lpPerformanceCount As LARGE_INTEGER) As Long
Private Declare Function QueryPerformanceFrequency Lib ...
How do I expand the output display to see more columns of a pandas DataFrame?
....options.display.width = 0. (For older versions see at bottom.)
pandas.set_printoptions(...) is deprecated. Instead, use pandas.set_option(optname, val), or equivalently pd.options.<opt.hierarchical.name> = val. Like:
import pandas as pd
pd.set_option('display.max_rows', 500)
pd.set_option('...
Python's json module, converts int dictionary keys to strings
...on they must be immutable types, or they must be objects which implement a __hash__ method. (The Lua docs suggest that it automatically uses the object's ID as a hash/key even for mutable objects and relies on string interning to ensure that equivalent strings map to the same objects).
In Perl, J...
Reload an iframe with jQuery
...
This Jquery worked like a charm for me: $('#map_iframe').attr('src', $('#map_iframe').attr('src'));
– Topher Hunt
Jul 1 '14 at 19:00
add a comment
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“:” (colon) in C struct - what does it mean? [duplicate]
...erstand why test4: 4 and I got test4: 2 on Darwin Kernel Version 17.0.0 x86_64
– Aleksey
Oct 5 '17 at 10:14
1
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Why are function pointers and data pointers incompatible in C/C++?
...ill couldn't convert between the two pointers (short of using non-standard __near and __far modifiers).
Additionally there's no guarantee that even if the pointers are the same size, that they point to the same thing - in the DOS Small memory model, both code and data used near pointers, but they p...