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How to randomly sort (scramble) an array in Ruby?
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answered Nov 29 '09 at 18:49
Ron GejmanRon Gejman
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Generate a Hash from string in Javascript
...perty(String.prototype, 'hashCode', {
value: function() {
var hash = 0, i, chr;
for (i = 0; i < this.length; i++) {
chr = this.charCodeAt(i);
hash = ((hash << 5) - hash) + chr;
hash |= 0; // Convert to 32bit integer
}
return hash;
}
});
Source:
htt...
Is unsigned integer subtraction defined behavior?
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107
The result of a subtraction generating a negative number in an unsigned type is well-defined:
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How do I find numeric columns in Pandas?
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150
You could use select_dtypes method of DataFrame. It includes two parameters include and exclude....
How to specify font attributes for all elements on an html web page?
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* {
font-size: 100%;
font-family: Arial;
}
The asterisk implies all elements.
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Ruby on Rails form_for select field with class
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Rimian
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answered Nov 2 '10 at 20:46
MBOMBO
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Maintain the aspect ratio of a div with CSS
...entage value for padding-bottom, like this:
.demoWrapper {
padding: 10px;
background: white;
box-sizing: border-box;
resize: horizontal;
border: 1px dashed;
overflow: auto;
max-width: 100%;
height: calc(100vh - 16px);
}
div {
width: 100%;
padding-bottom: 75%;
background: g...
How to list files in a directory in a C program?
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printf("%s\n", dir->d_name);
}
closedir(d);
}
return(0);
}
Beware that such an operation is platform dependant in C.
Source : http://faq.cprogramming.com/cgi-bin/smartfaq.cgi?answer=1046380353&id=1044780608
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Why does pylint object to single character variable names?
...warvariuc
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10
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How does one make random number between range for arc4random_uniform()?
...m(UInt32). I attempted using the range of (1..7) to avoid randomly getting 0 however that returned an error which I didn't enjoy too much. I tried to do this:
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