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adding directory to sys.path /PYTHONPATH
... or manipulating sys.path directly. See, for example, the answers to this question.
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Why can I add named properties to an array as if it were an object?
...n it. This should be considered harmful though. Arrays are for numerically indexed data - for non-numeric keys, use an Object.
Here's a more concrete example why non-numeric keys don't "fit" an Array:
var myArray = Array();
myArray['A'] = "Athens";
myArray['B'] = "Berlin";
alert(myArray.length);
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Using semicolon (;) vs plus (+) with exec in find
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Dumb q: I notice that + associated with -exec is always escaped, but + associated with -mtime is not. Do you know the reason? I guess it is habit from escaping ; associated with -exec.
– kevinarpe
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Hidden features of Python [closed]
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Wrap an iterable with enumerate and it will yield the item along with its index.
For example:
>>> a = ['a', 'b', 'c', 'd', 'e']
>>> for index, item in enumerate(a): print index, item
...
0 a
1 b
2 c
3 d
4 e
>>>
References:
Python tutorial—looping techniques
Pytho...
How do I redirect to the previous action in ASP.NET MVC?
...nathanridley: This does not work for POST requests. Say the user is on GET Index then GET Edit. The referring URL then is Index but then when the user does POST Edit the referrer is now Edit from the preceding GET request. How can I make sure POST Edit knows the URL that referred the user to GET Edi...
How to convert a private key to an RSA private key?
Let me explain my question first. I bought a certificate from a CA and used the following format to generate the csr and the private key:
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Can modules have properties the same way that objects can?
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Q: Would there be any particular advantage(s) to deriving the instance's class from types.ModuleType as shown in @Unknown's otherwise very similar answer?
– martineau
May 24 '11 at 8:53
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How to write DataFrame to postgres table?
...rt/database')
df.head(0).to_sql('table_name', engine, if_exists='replace',index=False) #truncates the table
conn = engine.raw_connection()
cur = conn.cursor()
output = io.StringIO()
df.to_csv(output, sep='\t', header=False, index=False)
output.seek(0)
contents = output.getvalue()
cur.copy_from(out...
Send a pull request on GitHub for only latest commit
...o my local master and pushing to origin on github. I want to send a pull request, but only want to include the last commit. The pull request UI on github.com shows the last 9 commits and I don't know how to filter that down.
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Is it possible to pass a flag to Gulp to have it run tasks in different ways?
...... and ended up with this utility function:
function getArg(key) {
var index = process.argv.indexOf(key);
var next = process.argv[index + 1];
return (index < 0) ? null : (!next || next[0] === "-") ? true : next;
}
It eats an argument-name and will search for this in process.argv. If not...