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Javascript calculate the day of the year (1 - 366)
...new Date(this);
j1.setMonth(0, 0);
return Math.round((this-j1)/8.64e7);
}
alert(new Date().dayOfYear())
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How do I declare and initialize an array in Java?
...oArray(); // From 0 to 100
int [] myIntArray = IntStream.of(12,25,36,85,28,96,47).toArray(); // The order is preserved.
int [] myIntArray = IntStream.of(12,25,36,85,28,96,47).sorted().toArray(); // Sort
For classes, for example String, it's the same:
String[] myStringArray = new String[3];
Strin...
What's the difference between “git reset” and “git checkout”?
...nch (i.e. you’re currently on the master branch),
running git reset 9e5e6a4 will start by making master point to
9e5e6a4. [emphasis added]
See also VonC's answer for a very helpful text and diagram excerpt from the same article, which I won't duplicate here.
Of course there are a lot more d...
Java string to date conversion
...xt AD
y Year Year 1996; 96
Y Week year Year 2009; 09
M/L Month in year Month July; Jul; 07
w Week in year Number 27
W Week in month Numb...
Get all unique values in a JavaScript array (remove duplicates)
...
96 Answers
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Normalize data in pandas
...C -5.569493 4.672679 -2.168464 -9.315900
D 8.892368 0.932785 4.535396 0.598124
In [93]: df_norm = (df - df.mean()) / (df.max() - df.min())
In [94]: df_norm
Out[94]:
a b c d
A 0.085789 -0.394348 0.337016 -0.109935
B -0.463830 0.164926 -0.650963 0.25671...
How do you UrlEncode without using System.Web?
...4" Data "%C3%94"
'Õ' -> Uri "%C3%95" Data "%C3%95"
'Ö' -> Uri "%C3%96" Data "%C3%96"
.....
EscapeUriString is to be used to encode URLs, while EscapeDataString is to be used to encode for example the content of a Cookie, because Cookie data must not contain the reserved characters '=' and ...
Multiple linear regression in Python
... for weighted multivariate regression as well?
– user961627
May 1 '14 at 15:43
1
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Regex to validate date format dd/mm/yyyy
...])(00|04|08|12|16|20|24|28|32|36|40|44|48|52|56|60|64|68|72|76|80|84|88|92|96)$)
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Add st, nd, rd and th (ordinal) suffix to a number
...8th
89 89th
90 90th
91 91st
92 92nd
93 93rd
94 94th
95 95th
96 96th
97 97th
98 98th
99 99th
100 100th
101 101st
102 102nd
103 103rd
104 104th
105 105th
106 106th
107 107th
108 108th
109 109th
110 110th
111 111th
112 112th
113 113th
114 114th
115 115th
...