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When should I use the HashSet type?
I am exploring the HashSet<T> type, but I don't understand where it stands in collections.
11 Answers
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How can I have ruby logger log output to stdout as well as file?
...IO responds to those and proxies them to the real IO objects, this should work.
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How to use FormData for AJAX file upload?
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For correct form data usage you need to do 2 steps.
Preparations
You can give your whole form to FormData() for processing
var form = $('form')[0]; // You need to use standard javascript object here
var formData = new Form...
Generating random whole numbers in JavaScript in a specific range?
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There are some examples on the Mozilla Developer Network page:
/**
* Returns a random number between min (inclusive) and max (exclusive)
*/
function getRandomArbitrary(min, max) {
return Math.random() * (max - min) + min;
}
/**
* Returns a random integer between min (i...
Launch an app on OS X with command line
...nch an app on OSX from a script. I need pass it command line arguments. Unfortunately, open doesn't accept command line args.
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git diff between cloned and original remote repository
I have cloned a github repository and made no changes locally. Github repository moved forward with commits on the same branch.
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send Content-Type: application/json post with node.js
How can we make a HTTP request like this in NodeJS? Example or module appreciated.
6 Answers
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Using Position Relative/Absolute within a TD?
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This is because according to CSS 2.1, the effect of position: relative on table elements is undefined. Illustrative of this, position: relative has the desired effect on Chrome 13, but not on Firefox 4. Your solution here is to add a div around...
Can someone explain __all__ in Python?
I have been using Python more and more, and I keep seeing the variable __all__ set in different __init__.py files. Can someone explain what this does?
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how do I insert a column at a specific column index in pandas?
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see docs: http://pandas.pydata.org/pandas-docs/stable/generated/pandas.DataFrame.insert.html
using loc = 0 will insert at the beginning
df.insert(loc, column, value)
df = pd.DataFrame({'B': [1, 2, 3], 'C': [4, 5, 6]})
df
Out:
B C
0 1 4
1 2 ...