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Require returns an empty object
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edited Feb 27 '16 at 1:10
answered May 26 '14 at 17:42
B ...
What does it mean for a data structure to be “intrusive”?
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107
An intrusive data structure is one that requires help from the elements it intends to store in ...
Using a constant NSString as the key for NSUserDefaults
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207
You should use:
NSString * const kPolygonNumberOfSides = @"..."; // const pointer
instead of...
Post an empty body to REST API via HttpClient
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answered Oct 26 '11 at 20:06
Alexander ZeitlerAlexander Zeitler
6,83777 gold badges4141 silver badges7979 bronze badges
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Error while pull from git - insufficient permission for adding an object to repository database .git
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260
Assuming @ChrisHayes is right about an accidental sudo, this should fix it. From inside your rep...
What makes Lisp macros so special?
...le syntax for a common case. The line
divisibleByTwo = [x for x in range(10) if x % 2 == 0]
yields a list containing all even numbers between 0 and 9. Back in the Python 1.5 days there was no such syntax; you'd use something more like this:
divisibleByTwo = []
for x in range( 10 ):
if x % 2 ...
Convert data.frame column format from character to factor
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201
Hi welcome to the world of R.
mtcars #look at this built in data set
str(mtcars) #allows you ...
How Many Seconds Between Two Dates?
...ger values meaning the day of the month.
var t1 = new Date(YYYY, MM, DD, 0, 0, 0, 0);
var t2 = new Date(ZZZZ, NN, EE, 0, 0, 0, 0);
var dif = t1.getTime() - t2.getTime();
var Seconds_from_T1_to_T2 = dif / 1000;
var Seconds_Between_Dates = Math.abs(Seconds_from_T1_to_T2);
A handy source for futur...
A list of indices in MongoDB?
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answered May 7 '10 at 22:52
mdirolfmdirolf
6,63822 gold badges2020 silver badges1515 bronze badges
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PostgreSQL Connection URL
...ser:secret@localhost
postgresql://other@localhost/otherdb?connect_timeout=10&application_name=myapp
postgresql://localhost/mydb?user=other&password=secret
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