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How to debug Lock wait timeout exceeded on MySQL?
In my production error logs I occasionally see:
11 Answers
11
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When I catch an exception, how do I get the type, file, and line number?
...
import sys, os
try:
raise NotImplementedError("No error")
except Exception as e:
exc_type, exc_obj, exc_tb = sys.exc_info()
fname = os.path.split(exc_tb.tb_frame.f_code.co_filename)[1]
print(exc_type, fname, exc_tb.tb_lineno)
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Sorting Python list based on the length of the string
I want to sort a list of strings based on the string length. I tried to use sort as follows, but it doesn't seem to give me correct result.
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Difference between numpy.array shape (R, 1) and (R,)
...ame issue also occurs column-wise). We will get matrices are not aligned error since M[:,0] is in shape (R,) but numpy.ones((1, R)) is in shape (1, R) .
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Python: Get the first character of the first string in a list?
How would I get the first character from the first string in a list in Python?
4 Answers
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What is the 'cls' variable used for in Python classes?
Why is cls sometimes used instead of self as an argument in Python classes?
5 Answers
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How do I configure different environments in Angular.js?
...pts)
.pipe(concat('app.js'))
.pipe(gulp.dest('app/dist'))
.on('error', function() { });
});
In my config folder I have these files:
ls -l config
total 8
-rw-r--r--+ 1 .. ci.json
-rw-r--r--+ 1 .. development.json
-rw-r--r--+ 1 .. production.json
Then you can run gulp config --env dev...
In which scenario do I use a particular STL container?
...s, because sequential access is precisely what a list does. Rather glaring error there.
– underscore_d
Nov 28 '15 at 13:01
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Red black tree over avl tree
...take two.
– Daniel
Jun 13 '17 at 22:05
3
This should be updated per Ben Pfaff's 2003 analysis of ...
What does f+++++++++ mean in rsync logs?
I'm using rsync to make a backup of my server files, and I have two questions:
4 Answers
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