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What does this square bracket and parenthesis bracket notation mean [first1,last1)?
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234
A bracket means that end of the range is inclusive -- it includes the element listed. A parenth...
C++ preprocessor __VA_ARGS__ number of arguments
....) \
PP_ARG_N(__VA_ARGS__)
#define PP_ARG_N( \
_1, _2, _3, _4, _5, _6, _7, _8, _9,_10, \
_11,_12,_13,_14,_15,_16,_17,_18,_19,_20, \
_21,_22,_23,_24,_25,_26,_27,_28,_29,_30, \
_31,_32,_33,_34,_35,_36,_37,_38,_39,_40, \
_41,_42,_43,_44,_45,_46,_47...
How to use Active Support core extensions
I have Active Support 3.0.3 installed and Rails 3.0.3 with Ruby 1.8.7.
5 Answers
5
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undefined method `source_index' for Gem:Module (NoMethodError)
I'm running a Rails 2.3.5 application and upon running script/server I am shown the following:
5 Answers
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How do I do base64 encoding on iOS?
..., 'p', 'q', 'r', 's', 't', 'u', 'v',
'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/'
};
@implementation NSString (NSStringAdditions)
+ (NSString *) base64StringFromData: (NSData *)data length: (int)length {
unsigned long ixtext, lentext;
long ctremaining;
uns...
How to delete a row by reference in data.table?
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edited Nov 23 '18 at 12:47
Henrik
52.1k1111 gold badges117117 silver badges134134 bronze badges
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Should I use a data.frame or a matrix?
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edited Aug 30 '17 at 0:12
answered Mar 1 '11 at 19:00
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Difference between a Seq and a List in Scala
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edited Sep 6 '18 at 14:39
Community♦
111 silver badge
answered Jun 2 '12 at 23:48
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How do I override nested NPM dependency versions?
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243
You can use npm shrinkwrap functionality, in order to override any dependency or sub-dependency....
How to randomly select an item from a list?
..., 'horse', 'staple']
print(secrets.choice(foo))
secrets is new in Python 3.6, on older versions of Python you can use the random.SystemRandom class:
import random
secure_random = random.SystemRandom()
print(secure_random.choice(foo))
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