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When should I use mmap for file access?
...rovide at least two ways of accessing files. There's the standard system calls open() , read() , write() , and friends, but there's also the option of using mmap() to map the file into virtual memory.
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How does the Amazon Recommendation feature work?
...nce. Typical fields of study revolve around market basket analysis (also called affinity analysis) which is a subset of the field of data mining. Typical components in such a system include identification of primary driver items and the identification of affinity items (accessory upsell, cross sel...
Open file dialog box in JavaScript
...xtensions. Many browsers support the accept attribute on file inputs. This allows you to limit the file types displayed in the file browser dialog. Fine Uploader provides access to this functionality via the acceptFiles property of the validation option. See the validation section of the options doc...
Begin, Rescue and Ensure in Ruby?
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Yes, ensure ensures that the code is always evaluated. That's why it's called ensure. So, it is equivalent to Java's and C#'s finally.
The general flow of begin/rescue/else/ensure/end looks like this:
begin
# something which might raise an exception
rescue SomeExceptionClass => some_variab...
How to convert index of a pandas dataframe into a column?
...vel) and creates an int index from 0 to len(df)-1
– BallpointBen
Jan 10 '19 at 19:52
2
Assignment...
Python: How would you save a simple settings/config file?
...) as f:
sample_config = f.read()
config = ConfigParser.RawConfigParser(allow_no_value=True)
config.readfp(io.BytesIO(sample_config))
# List all contents
print("List all contents")
for section in config.sections():
print("Section: %s" % section)
for options in config.options(section):
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C/C++ maximum stack size of program
...presents graph nodes) So assuming worst case, depth of recursive function calls can go upto 10000 with each call taking upto say 20 bytes. So is it feasible means is there a possibility of stackoverflow?
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How do you usually Tag log entries? (android)
I assume most of you are aware of android.util.Log
All logging methods accept 'String tag' as a first argument.
13 Answers
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How to automatically start a service when running a docker container?
I have a Dockerfile to install MySQL server in a container, which I then start like this:
11 Answers
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How to show a GUI message box from a bash script in linux?
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I believe Zenity will do what you want. It's specifically designed for displaying GTK dialogs from the command line, and it's available as an Ubuntu package.
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