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Converting an integer to a hexadecimal string in Ruby
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327
You can give to_s a base other than 10:
10.to_s(16) #=> "a"
Note that in ruby 2.4 FixNu...
How to empty/destroy a session in rails?
...ides.rubyonrails.org/security.html#session-expiry
– m33lky
Feb 24 '12 at 7:14
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SQL query for today's date minus two months
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Abe MiesslerAbe Miessler
73.5k8282 gold badges266266 silver badges436436 bronze badges
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How to navigate through a vector using iterators? (C++)
...g>::iterator it; // declare an iterator to a vector of strings
int n = 3; // nth element to be found.
int i = 0; // counter.
// now start at from the beginning
// and keep iterating over the element till you find
// nth element...or reach the end of vector.
for(it = myvector.begin(); it != my...
Force R to stop plotting abbreviated axis labels - e.g. 1e+00 in ggplot2
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137
I think you are looking for this:
require(ggplot2)
df <- data.frame(x=seq(1, 1e9, length.ou...
Should I use document.createDocumentFragment or document.createElement
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edited Aug 3 '14 at 13:39
answered Aug 3 '10 at 14:04
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Getting thread id of current method call
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230
NSLog(@"%@", [NSThread currentThread]);
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R apply function with multiple parameters
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3 Answers
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How do I specify a single test in a file with nosetests?
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answered Aug 20 '13 at 10:19
michaeljosephmichaeljoseph
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Unique combination of all elements from two (or more) vectors
... expand.grid(a,b)
Var1 Var2
1 ABC 2012-05-01
2 DEF 2012-05-01
3 GHI 2012-05-01
4 ABC 2012-05-02
5 DEF 2012-05-02
6 GHI 2012-05-02
7 ABC 2012-05-03
8 DEF 2012-05-03
9 GHI 2012-05-03
10 ABC 2012-05-04
11 DEF 2012-05-04
12 GHI 2012-05-04
13 ABC 2012-05-05
14 DEF 2012-05-...