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What Ruby IDE do you prefer? [closed]
... Aptana seems to be the best IDE for Ruby, but I hate how it changes all my key mappings for the various editors (e.g., they remap <ctrl>-1 in the Java editor), and I hate how it writes databases in whatever directory I happen to be in when I start the IDE. Yuck. They're obviously not ...
Which is better, return value or out parameter?
...ery rare exception to this rule.)
Aside from anything else, it stops the caller from having to declare the variable separately:
int foo;
GetValue(out foo);
vs
int foo = GetValue();
Out values also prevent method chaining like this:
Console.WriteLine(GetValue().ToString("g"));
(Indeed, that...
Regular expression to allow spaces between words
I want a regular expression that prevents symbols and only allows letters and numbers. The regex below works great, but it doesn't allow for spaces between words.
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Handling an empty UITableView. Print a friendly message
... change the height of your cell to accommodate the empty message. This is all doable but it seems like band-aid on top of band-aid.
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Efficient way to apply multiple filters to pandas DataFrame or Series
...s to apply several filters to a Pandas DataFrame or Series object. Essentially, I want to efficiently chain a bunch of filtering (comparison operations) together that are specified at run-time by the user.
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RE error: illegal byte sequence on Mac OS X
...t a valid UTF-8 char.
Note that, by contrast, GNU sed (Linux, but also installable on macOS) simply passes the invalid byte through, without reporting an error.
Using the formerly accepted answer is an option if you don't mind losing support for your true locale (if you're on a US system and you ne...
How to print a percentage value in python?
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Is float(1) really more pythonic than 1.?
– Tobias Kienzler
Jul 17 '13 at 7:58
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How can I use numpy.correlate to do autocorrelation?
...olution, C(t)=∑ -∞ < i < ∞ aivt+i where -∞ < t < ∞, allows for results from -∞ to ∞, but you obviously can't store an infinitely long array. So it has to be clipped, and that is where the mode comes in. There are 3 different modes: full, same, & valid:
"full" mode r...
Strip spaces/tabs/newlines - python
I am trying to remove all spaces/tabs/newlines in python 2.7 on Linux.
7 Answers
7
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Get names of all keys in the collection
I'd like to get the names of all the keys in a MongoDB collection.
21 Answers
21
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