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Size of Matrix OpenCV
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Vlad
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answered Dec 25 '12 at 6:29
Michael OMichael O
2,89911 gold...
how to change default python version?
I have installed python 3.2 in my mac. After I run /Applications/Python 3.2/Update Shell Profile.command , it's confusing that when I type python -V in Terminal it says that Python 2.6.1 , how can I change the default python version?
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Fastest way to reset every value of std::vector to 0
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353
std::fill(v.begin(), v.end(), 0);
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Can't get rid of header X-Powered-By:Express
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13 Answers
13
Active
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How do I get a plist as a Dictionary in Swift?
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In swift 3.0 Reading from Plist.
func readPropertyList() {
var propertyListFormat = PropertyListSerialization.PropertyListFormat.xml //Format of the Property List.
var plistData: [String: AnyObject] = [:] //Our data
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Remap values in pandas column with a dict
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373
You can use .replace. For example:
>>> df = pd.DataFrame({'col2': {0: 'a', 1: 2, 2:...
How do I compare two hashes?
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163
You can compare hashes directly for equality:
hash1 = {'a' => 1, 'b' => 2}
hash2 = {'a' =...
Force R not to use exponential notation (e.g. e+10)?
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233
This is a bit of a grey area. You need to recall that R will always invoke a print method, and...
How to enumerate an enum with String type?
...ch {
print($0.rawValue)
}
Compatibility with earlier Swift versions (3.x and 4.x)
If you need to support Swift 3.x or 4.0, you may mimic the Swift 4.2 implementation by adding the following code:
#if !swift(>=4.2)
public protocol CaseIterable {
associatedtype AllCases: Collection where ...
Can the Unix list command 'ls' output numerical chmod permissions?
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344
it almost can ..
ls -l | awk '{k=0;for(i=0;i<=8;i++)k+=((substr($1,i+2,1)~/[rwx]/) \
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