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How to print an exception in Python?
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edited Aug 16 '18 at 8:01
Jan
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answered Sep...
Read a file in Node.js
I'm quite puzzled with reading files in Node.js.
8 Answers
8
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Useful code which uses reduce()? [closed]
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The other uses I've found for it besides + and * were with and and or, but now we have any and all to replace those cases.
foldl and foldr do come up in Scheme a lot...
Here's some cute usages:
Flatten a list
Goal: turn [[1, 2, 3], [4, 5], [6, 7, 8]...
Reference: What is variable scope, which variables are accessible from where and what are “undefined
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What is "variable scope"?
Variables have a limited "scope", or "places from which they are accessible". Just because you wrote $foo = 'bar'; once somewhere in your application doesn't mean you can refer to $foo from everywhere else inside the application. The variable $f...
c#: getter/setter
I saw something like the following somewhere, and was wondering what it meant. I know they are getters and setters, but want to know why the string Type is defined like this. Thanks for helping me.
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How to call a PHP function on the click of a button
...reated a page called functioncalling.php that contains two buttons, Submit and Insert .
12 Answers
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Storing SHA1 hash values in MySQL
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I would use VARCHAR for variable length data, but not with fixed length data. Because a SHA-1 value is always 160 bit long, the VARCHAR would just waste an additional byte for the length of the fixed-length field.
And I also wouldn’t store the value the SHA1 is returning. Beca...
Efficient way to apply multiple filters to pandas DataFrame or Series
...'col1'] <=1 )]
Out[13]:
col1 col2
1 1 11
If you want to write helper functions for this, consider something along these lines:
In [14]: def b(x, col, op, n):
return op(x[col],n)
In [15]: def f(x, *b):
return x[(np.logical_and(*b))]
In [16]: b1 = b(df, '...
Unix's 'ls' sort by name
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edited Apr 1 '19 at 14:51
answered May 18 '09 at 15:19
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How do I find out what keystore my JVM is using?
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Your keystore will be in your JAVA_HOME---> JRE -->lib---> security--> cacerts. You need to check where your JAVA_HOME is configured, possibly one of these places,
Computer--->Advanced --> Environment variables---> JAVA_HOME
Your server startup batch files.
In your impor...