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How to find the largest file in a directory and its subdirectories?
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outputs
-rw-r--r-- 1 nneonneo staff 9274991 Apr 11 02:29 ./devel/misc/test.out
If you just want the filename:
find . -type f | xargs ls -1S | head -n 1
This avoids using awk and allows you to use whatever flags you want in ls.
Caveat. Because xargs tries to avoid building overlong command...
Is the C# static constructor thread safe?
...n is thread safe for the initial construction, that is, no locking or null testing is required for constructing the Singleton object. However, this does not mean that any use of the instance will be synchronised. There are a variety of ways that this can be done; I've shown one below.
public class ...
Python's json module, converts int dictionary keys to strings
... isinstance(v, unicode) else v) for k,v in x.items()}
return x
Which tests the instance of the values and casts them only if they are strings objects (unicode to be exact).
Both functions assumes keys (and values) to be integers.
Thanks to:
How to use if/else in a dictionary comprehension?...
Better techniques for trimming leading zeros in SQL Server?
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From my testing (and experience) this is a relatively costly operation in comparison with the accepted answer. For performance reasons, it's best to avoid changing data types, or comparing data of different types, if it is within you...
How do you pass custom environment variable on Amazon Elastic Beanstalk (AWS EBS)?
...heck the documentation here:
http://docs.aws.amazon.com/elasticbeanstalk/latest/dg/customize-containers-ec2.html#customize-containers-format-options
Update
To prevent committing to your repository values like API keys, secrets and so on, you can put a placeholder value.
option_settings:
- opti...
CSV file written with Python has blank lines between each row
... about to post about this -- lineterminator='\n' worked for me in a simple test.
– Dan Breslau
Jul 27 '10 at 22:39
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Is there a decorator to simply cache function return values?
...y answer to show a decorator function, which works for methods (I actually tested this one).
– Nathan Kitchen
May 3 '09 at 6:08
1
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HTML form readonly SELECT tag/input
...tion>
<option value="9">Country9</option>
</select>
Tested and working in IE 6, 7 & 8b2, Firefox 2 & 3, Opera 9.62, Safari 3.2.1 for Windows and Google Chrome.
share
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jQuery checkbox event handling
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There are several useful answers, but none seem to cover all the latest options. To that end all my examples also cater for the presence of matching label elements and also allow you to dynamically add checkboxes and see the results in a side-panel (by redirecting console.log).
Listening f...
How to determine whether a Pandas Column contains a particular value
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I did a few simple tests:
In [10]: x = pd.Series(range(1000000))
In [13]: timeit 999999 in x.values
567 µs ± 25.6 µs per loop (mean ± std. dev. of 7 runs, 1000 loops each)
In [15]: timeit x.isin([999999]).any()
9.54 ms ± 291 µs per loo...