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Objective-C: Where to remove observer for NSNotification?
I have an objective C class. In it, I created a init method and set up a NSNotification in it
14 Answers
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Close file without quitting VIM application?
I use the :e and :w commands to edit and to write a file. I am not sure if there is "close" command to close the current file without leaving Vim?
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Plot smooth line with PyPlot
...ate import spline
# 300 represents number of points to make between T.min and T.max
xnew = np.linspace(T.min(), T.max(), 300)
power_smooth = spline(T, power, xnew)
plt.plot(xnew,power_smooth)
plt.show()
spline is deprecated in scipy 0.19.0, use BSpline class instead.
Switching from spl...
Converting string to title case
I have a string which contains words in a mixture of upper and lower case characters.
23 Answers
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Face recognition Library [closed]
...acial Recognition SDK. This is a company founded by a University Professor and as such their website looks unprofessional. There's no pricing information or demo that you can download. You'll need to contact them for pricing information.
NeuroTechnology - Information on their Facial Recognition SDK....
What is a good Hash Function?
What is a good Hash function? I saw a lot of hash function and applications in my data structures courses in college, but I mostly got that it's pretty hard to make a good hash function. As a rule of thumb to avoid collisions my professor said that:
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What is the difference between related SQLite data-types like INT, INTEGER, SMALLINT and TINYINT?
... has no data types, there are storage classes in a manifest typing system, and yeah, it's confusing if you're used to traditional RDBMSes. Everything, internally, is stored as text. Data types are coerced/converted into various storage locations based on affinities (ala data types assigned to column...
How do I check if an object has a specific property in JavaScript?
...king for. If you want to know if an object physically contains a property (and it is not coming from somewhere up on the prototype chain) then object.hasOwnProperty is the way to go. All modern browsers support it. (It was missing in older versions of Safari - 2.0.1 and older - but those versions of...
Get underlined text with Markdown
I am using BlueCloth as a Markdown library for Ruby, and I can't find any syntax for getting a text underlined. What is it?
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AngularJS : What is a factory?
I've been doing a lot of work on Angular.js and overall I find it to be an interesting and powerful framework.
4 Answers
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