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NumPy or Pandas: Keeping array type as integer while having a NaN value
...un into issues that join columns are converted into either ints or floats, based on the existence of a NA value in the original list. (Creating issues later on when trying to merge these dataframes)
– Carst
Jul 23 '13 at 21:36
...
Basic HTTP authentication with Node and Express 4
... '').split(' ')[1] || ''
const [login, password] = Buffer.from(b64auth, 'base64').toString().split(':')
// Verify login and password are set and correct
if (login && password && login === auth.login && password === auth.password) {
// Access granted...
return n...
How do I convert an integer to binary in JavaScript?
...work because you are getting the input from text. Use this: function decToBase(dec, base){ return parseInt(dec).toString(base); } alert(decToBase(dec, 2));
– Magus
May 29 '15 at 13:47
...
How do I decode HTML entities in Swift?
...("20ac", 16) --> "€"
func decodeNumeric(_ string : Substring, base : Int) -> Character? {
guard let code = UInt32(string, radix: base),
let uniScalar = UnicodeScalar(code) else { return nil }
return Character(uniScalar)
}
// De...
What's the difference between using CGFloat and float?
...by Command-double-clicking on "CGFloat" in Xcode — it will jump to the CGBase.h header where the typedef is defined. The same approach is used for NSInteger and NSUInteger as well.
These types were introduced to make it easier to write code that works on both 32-bit and 64-bit without modificatio...
使用虚拟现实和App Inventor进行实验 · App Inventor 2 中文网
...可以虚拟游览国家、博物馆，甚至探索水下。结合适当的声音伴奏，这试图使虚拟游览尽可能接近现实。
以下是演示在智能手机上的显示方式，显示了火星探测器拍摄的一幅全景图，以及从秘鲁遗址马丘比丘拍摄的另一幅全景...
google oauth2 redirect_uri with several parameters
...a json string of your parameters ->
{ "a" : "b" , "c" : 1 }
/2. do a base64UrlEncode , to make it URL safe ->
stateString = base64UrlEncode('{ "a" : "b" , "c" : 1 }');
This is a PHP example of base64UrlEncoding & decoding (http://en.wikipedia.org/wiki/Base64#URL_applications) :
fu...
How to detect Windows 64-bit platform with .NET?
...plex.com/SourceControl/changeset/view/39074#842775 .I also have a solution based on that code listed at the bottom of this page, that uses extension methods if you care about reusing the code.
– dmihailescu
Feb 2 '11 at 18:29
...
How to escape single quotes in MySQL
...escape_string($var);
?>
This will solve your problem, because the database can't detect the special characters of a string.
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Virtual Memory Usage from Java under Linux, too much memory used
...ng-standing complaint with Java, but it's largely meaningless, and usually based on looking at the wrong information. The usual phrasing is something like "Hello World on Java takes 10 megabytes! Why does it need that?" Well, here's a way to make Hello World on a 64-bit JVM claim to take over 4 giga...